| Operator | Count | |
Operator | Count | |
Operator | Count | |
Operator | Count |
| 170 | |
DUVAL COUNTY RANCH CO. | 66 | |
LAYNE TEXAS | 8 | | RIX | 8 | |
| A & A | 2 | |
DUVAL OIL | 45 | |
LAZARUS | 1 | | ROADES | 3 | |
| A & D EXPL | 2 | |
DUVAL PRODUCTION | 11 | |
LE CUNO | 6 | | ROANE | 2 | |
| A & M | 2 | |
DYAD | 1 | |
LEACH | 7 | | ROBERSON | 4 | |
| A & R | 2 | |
DYCO | 2 | |
LEAHY | 4 | | ROBERTS | 33 | |
| A & T | 15 | |
DYNAMIC | 61 | |
LEAKE | 1 | | ROBERTSON | 3 | |
| A A A OPERATING | 1 | |
DYONISIO | 1 | |
LEAR | 12 | | ROBIN-WOOD | 1 | |
| A C R | 1 | |
E & H | 3 | |
LEARY | 1 | | ROBINS | 1 | |
| A K M | 2 | |
E & L | 1 | |
LEATHERWOOD | 1 | | ROBINSON | 55 | |
| A M & R | 3 | |
E C C | 3 | |
LEBEN | 1 | | ROBISON | 28 | |
| A N R | 8 | |
E E X | 10 | |
LECHE | 1 | | ROBOCO | 1 | |
| A O P | 9 | |
E K O | 12 | |
LECUNO | 2 | | ROCANVILLE | 1 | |
| A P D | 8 | |
E M J | 2 | |
LEDGE | 1 | | ROCHE | 1 | |
| A P I | 2 | |
E N I | 2 | |
LEDLOW | 2 | | ROCK ENERGY | 1 | |
| A R P | 1 | |
E O G RESOURCES | 48 | |
LEE | 62 | | ROCK HILL | 65 | |
| A W P | 10 | |
E P OPERATING | 47 | |
LEECO | 1 | | ROCKBRIDGE | 2 | |
| A.T.O.P.P. | 1 | |
E R I | 11 | |
LEEDE | 7 | | ROCKHILL | 99 | |
| ABACO | 9 | |
E S B E | 1 | |
LEFEVRE | 7 | | ROCKSPRINGS | 2 | |
| ABBEVILLE | 1 | |
E-COR | 3 | |
LEGACY | 49 | | ROCKWOOD | 52 | |
| ABBOTT | 10 | |
E-G JOINT VENTURE | 6 | |
LEGEND | 1 | | ROD | 1 | |
| ABCO | 12 | |
EADS | 19 | |
LEGER | 8 | | RODEL | 3 | |
| ABEL | 30 | |
EAGLE | 27 | |
LEHMERTZ | 1 | | RODESSA | 13 | |
| ABER | 2 | |
EARTH SCIENCES | 6 | |
LEMARCO | 16 | | ROESER | 2 | |
| ABERCROMBIE | 100 | |
EASON | 9 | |
LENSGRAF | 1 | | ROGER | 1 | |
| ABERNATHY | 1 | |
EAST SIDE | 2 | |
LEONA | 1 | | ROGERS | 21 | |
| ABRAXAS | 90 | |
EASTERN ENERGY | 1 | |
LEONARD | 18 | | ROHOLT | 1 | |
| ABSHER | 3 | |
EASTERN GAS | 12 | |
LEONE | 2 | | ROLF | 1 | |
| ABSHIER | 1 | |
EASTERN OIL | 1 | |
LEPOVITZ | 1 | | ROLLERT | 19 | |
| ACCO | 89 | |
EASTERN STATES | 6 | |
LERN | 2 | | ROLLUM | 4 | |
| ACCUMULATIVE ROYALTY | 2 | |
EASTERN TEXAS | 3 | |
LES TEXAS | 1 | | ROMA | 7 | |
| ACHE | 1 | |
EASTERWOOD | 21 | |
LESH | 9 | | ROMACK | 1 | |
| ACHNING | 7 | |
EATON | 7 | |
LESKO | 1 | | ROMAR | 4 | |
| ACIETEROS | 4 | |
EBERT | 2 | |
LESS | 1 | | ROME | 13 | |
| ACME | 3 | |
ECA HOLDINGS | 1 | |
LEUSCHNER | 1 | | ROMERO | 1 | |
| ACOCK | 38 | |
ECHO | 1 | |
LEVERIDGE | 6 | | ROOS | 4 | |
| ACOCK/ANAQUA | 11 | |
ECHOLS | 48 | |
LEVINSON | 1 | | ROREM | 1 | |
| ACOMA | 4 | |
ECKERT | 6 | |
LEVY | 1 | | RORICO | 1 | |
| ACORN | 4 | |
ECKOLS | 2 | |
LEWIS | 195 | | ROSCOE | 1 | |
| ADA | 70 | |
ECLETO | 1 | |
LEWIS PETRO | 8 | | ROSE | 11 | |
| ADAIR | 2 | |
EDCO | 7 | |
LEXINGTON | 2 | | ROSEBROCK | 1 | |
| ADAMS | 62 | |
EDDY | 32 | |
LEY | 13 | | ROSEMARIN | 1 | |
| ADCO | 1 | |
EDEN OIL | 2 | |
LIBERTY | 22 | | ROSEN | 1 | |
| ADCOCK | 2 | |
EDGAR | 13 | |
LICO | 2 | | ROSENBAUM | 1 | |
| ADDINGTON | 3 | |
EDGE | 106 | |
LIEBMAN-GIBSON | 2 | | ROSENBURG | 1 | |
| ADELANTE | 1 | |
EDINBURG | 1 | |
LIFESTYLE | 18 | | ROSENTHAL | 6 | |
| ADENA | 2 | |
EDISTO | 1 | |
LIGHT | 3 | | ROSEWOOD | 19 | |
| ADKINS | 1 | |
EDMISTON | 4 | |
LIGHTHOUSE | 3 | | ROSNER | 9 | |
| ADMIRAL | 2 | |
EDMONT | 1 | |
LIGHTNING | 65 | | ROSS | 22 | |
| ADOBE | 26 | |
EDWARDS | 70 | |
LILES | 1 | | ROSSALYN | 1 | |
| ADRIAN | 1 | |
EGAN | 35 | |
LIMES | 2 | | ROSSEBO | 4 | |
| AEGEAN | 7 | |
EHMAN | 1 | |
LIMESTONE | 2 | | ROSSI | 3 | |
| AEGIS | 1 | |
EI-FEL | 1 | |
LINCOLN | 2 | | ROSSMAN | 1 | |
| AERO COLOMA | 1 | |
EICHER | 6 | |
LINDA | 1 | | ROTARY | 1 | |
| AFROMA | 53 | |
EILAND | 1 | |
LINDER | 5 | | ROUNDTREE | 1 | |
| AGCO | 4 | |
EKO | 1 | |
LINDHOLM | 14 | | ROUSE | 1 | |
| AGOIL | 33 | |
EL CAMINO | 1 | |
LINGEN | 21 | | ROUSSEAU | 22 | |
| AGSCO | 6 | |
EL CHORRO | 3 | |
LINK | 7 | | ROUSSEL | 5 | |
| AHERN | 20 | |
EL DORADO | 24 | |
LINK OIL &GAS | 1 | | ROWAN | 142 | |
| AID | 12 | |
EL INDIO | 1 | |
LINKENHOGER | 1 | | ROWDEN | 84 | |
| AIKMAN | 13 | |
EL PASO | 95 | |
LINNE | 6 | | ROWE | 259 | |
| AKIN | 3 | |
EL REGALO | 3 | |
LION | 14 | | ROWLING | 3 | |
| AKRON | 6 | |
EL REY PETROLEUM | 2 | |
LIPAN | 2 | | ROWSEY | 46 | |
| ALABAMA MINERALS | 1 | |
EL RIO | 1 | |
LIPSCOMB | 8 | | ROXOIL | 6 | |
| ALABLANCA | 1 | |
EL-TEX | 3 | |
LISSIE | 1 | | ROYAL | 295 | |
| ALADDIN | 2 | |
ELAM | 2 | |
LITTLE | 67 | | ROYAL OAKS | 1 | |
| ALAMO | 39 | |
ELEANOR OIL | 1 | |
LITTLE GIANT | 4 | | ROYALTIES RESEARCH | 1 | |
| ALANCO | 2 | |
ELECTROSEIS | 1 | |
LITTLEFIELD | 2 | | ROYALTY | 5 | |
| ALANIZ | 5 | |
ELECTROTHERMIC | 9 | |
LITTLEPAGE | 1 | | RUBSAMEN | 1 | |
| ALASKA STEAMSHIP | 129 | |
ELF AQUITAINE | 4 | |
LITTLETON | 1 | | RUBY | 2 | |
| ALASKA TEX | 3 | |
ELINOR OIL | 1 | |
LIVE OAK | 5 | | RUDCO | 20 | |
| ALBANS | 1 | |
ELLEDGE | 2 | |
LIVELY | 45 | | RUDMAN | 9 | |
| ALBRECHT | 4 | |
ELLIOT | 10 | |
LIVINGSTON | 2 | | RUEDA | 1 | |
| ALBRIGHT | 2 | |
ELLIOTT | 2 | |
LLOYD | 8 | | RUEZ-MORTON | 1 | |
| ALCO DRILLING | 16 | |
ELLISON | 2 | |
LOBAR | 1 | | RUNDELL | 1 | |
| ALCO OIL | 3 | |
ELLOCO | 1 | |
LOBO | 81 | | RUNION | 1 | |
| ALCOA | 86 | |
ELLSTROM | 1 | |
LOCAL | 10 | | RUNNELS | 1 | |
| ALCOR | 2 | |
ELLSWORTH | 77 | |
LOCHRIDGE | 2 | | RUPERTSLAND | 1 | |
| ALCORN | 14 | |
ELMAX | 1 | |
LOCKE | 2 | | RUSH | 3 | |
| ALECO | 1 | |
ELMER | 1 | |
LOCKHART | 184 | | RUSS | 13 | |
| ALEXANDER | 7 | |
ELMONT | 1 | |
LOCO | 2 | | RUSSEK | 12 | |
| ALFORD | 6 | |
ELMS | 3 | |
LOFCO | 2 | | RUSSELL | 85 | |
| ALGORD | 1 | |
ELTOBILT | 1 | |
LOFFLAND | 9 | | RUSSO | 1 | |
| ALICE | 1 | |
ELWOOD | 1 | |
LOFLIN | 3 | | RUSTON | 1 | |
| ALICE OIL | 1 | |
ELY | 2 | |
LOGUE | 242 | | RUTHERFORD | 266 | |
| ALKEK | 45 | |
EMINENT | 2 | |
LOHMAN | 1 | | RUTLAND | 1 | |
| ALL AM | 5 | |
EMPIRE | 5 | |
LOKEY | 1 | | RUTLEDGE | 1 | |
| ALLAUN | 1 | |
EMRY | 1 | |
LOMA | 11 | | RUTTA | 5 | |
| ALLBRIGHT | 1 | |
ENCINO | 20 | |
LOMA ALTA | 1 | | RUTTER | 2 | |
| ALLDAY | 24 | |
ENCINO ENERGY | 1 | |
LOMAC | 1 | | RUWCO | 2 | |
| ALLEGRO | 47 | |
ENCO EXPLORATION | 36 | |
LOMACK | 1 | | RYALS-WENSKE | 3 | |
| ALLEN | 115 | |
ENCON | 5 | |
LOMAK | 6 | | RYAN | 85 | |
| ALLEN & MORRIS | 5 | |
ENDEAVOUR | 3 | |
LONDON PETROLEUM | 2 | | RYCADE | 11 | |
| ALLEN & SHUMATE | 5 | |
ENDERLI | 1 | |
LONE STAR | 300 | | RYDAL | 3 | |
| ALLERKAMP | 9 | |
ENDICOTT | 3 | |
LONG | 27 | | RYMAL | 1 | |
| ALLIANCE | 7 | |
ENDREX | 4 | |
LONG BROTHERS | 8 | | S & H OIL | 1 | |
| ALLIED DRILLING | 4 | |
ENDURO | 1 | |
LONG TRUSTS | 1 | | S & J OIL | 1 | |
| ALLIED HYDROCARBONS | 2 | |
ENERCO | 4 | |
LONGHORN | 82 | | S & R OIL | 1 | |
| ALLIED OIL | 1 | |
ENERCORP | 1 | |
LOONEY | 2 | | S D & S | 2 | |
| ALLIED PRODUCTION | 10 | |
ENERGETICS | 56 | |
LORDSTONE | 1 | | S D OIL | 1 | |
| ALLISON | 7 | |
ENERGEX | 2 | |
LOS GATOS | 17 | | S E C OIL | 2 | |
| ALMAC | 8 | |
ENERGO | 1 | |
LOS NIETOS | 5 | | S E D | 15 | |
| ALMAR | 3 | |
ENERGY | 42 | |
LOTT | 1 | | S E W | 34 | |
| ALPHA ENERGY | 1 | |
ENERGY DEVELOPMENT | 84 | |
LOUDON | 12 | | S F J V | 2 | |
| ALPHA EXPLORATION | 7 | |
ENERGY ENTERPRISES | 6 | |
LOUIS DREYFUS | 57 | | S F M HOLDINGS | 1 | |
| ALPHA GAS | 8 | |
ENERGY EQUITY | 1 | |
LOUISANA GAS | 3 | | S G OPERATING | 3 | |
| ALPHA OIL | 2 | |
ENERGY EXPLORATION | 1 | |
LOUISANA LAND | 1 | | S G W | 1 | |
| ALPHA OMEGA ENERGY | 3 | |
ENERGY INTERNATIONAL | 4 | |
LOUISIANA CAMPBELL ENERGY | 1 | | S K & C | 6 | |
| ALPHA PRODUCTION | 1 | |
ENERGY INVESTMENTS | 6 | |
LOUISIANA GENERAL PETROLEUM | 11 | | S M K | 2 | |
| ALSABROOK | 2 | |
ENERGY PROJECTS | 2 | |
LOUISIANA LAND & EXPL | 15 | | S N D | 1 | |
| ALSAN | 2 | |
ENERGY RESERVES GROUP | 25 | |
LOUISIANA NATURAL | 1 | | S P G | 35 | |
| ALTA | 14 | |
ENERGY RESOURCES | 7 | |
LOUISIANA OIL REFINING | 1 | | S R & C | 3 | |
| ALTEX | 2 | |
ENERGY SEARCH | 2 | |
LOVE | 6 | | S R G | 15 | |
| ALTGELT | 1 | |
ENERGY SOURCES | 7 | |
LOVE & SUN | 1 | | S S M | 8 | |
| ALUMINUM CO. OF AMERICA | 170 | |
ENERGY TREATING | 1 | |
LOVELADY | 57 | | S W E P I | 2 | |
| ALWORTH | 1 | |
ENERGY UNLIMITED | 5 | |
LOWE | 16 | | S W R PROD | 1 | |
| ALYANA | 1 | |
ENERQUEST | 1 | |
LOWER COLORADO RIVER AUTHORITY | 1 | | SA-GU | 3 | |
| ALYNDSON | 1 | |
ENEX | 2 | |
LOWMAR | 3 | | SABA ENERGY INC | 1 | |
| AM-RDC | 1 | |
ENEXCO | 5 | |
LOWRANCE | 1 | | SABER | 12 | |
| AM-TEX | 2 | |
ENGELKE | 90 | |
LU-TEX | 4 | | SABINE | 27 | |
| AMAL | 1 | |
ENGEO | 83 | |
LUBBOCK COTTON | 2 | | SABRE | 15 | |
| AMALGAMATED | 7 | |
ENGLAND | 1 | |
LUCEY | 6 | | SACKETT | 1 | |
| AMAR | 5 | |
ENGLE | 1 | |
LUCK PETROLEUM | 1 | | SADLER | 1 | |
| AMARCO | 1 | |
ENGLISH | 1 | |
LUCKY | 7 | | SAFARI | 6 | |
| AMAREX | 1 | |
ENRE | 20 | |
LUETH | 1 | | SAGE | 45 | |
| AMARILLO | 5 | |
ENRON | 335 | |
LUHN | 1 | | SAGEX | 7 | |
| AMAX | 27 | |
ENSCO | 1 | |
LUKER | 1 | | SAGUNADA | 3 | |
| AMBASSADOR | 16 | |
ENSERCH | 47 | |
LULING | 147 | | SAHARA | 1 | |
| AMBERTON | 4 | |
ENSIGN | 1 | |
LULOC | 2 | | SAL VIEJA | 12 | |
| AMCOLE | 2 | |
ENSOURCE | 1 | |
LUNDBERG | 36 | | SALEM | 24 | |
| AMEND | 4 | |
ENSTAR | 8 | |
LUNDELL | 23 | | SALPETER | 3 | |
| AMERADA | 282 | |
ENTERPRISE | 26 | |
LUNDELLS | 22 | | SALT DOME | 96 | |
| AMERICAN AUSTRALIAN | 1 | |
ENTERPRISES | 2 | |
LUNDIN | 1 | | SALTMOUNT | 5 | |
| AMERICAN COASTAL | 2 | |
ENTEX | 19 | |
LURA | 1 | | SALURIA | 4 | |
| AMERICAN COMETRA | 37 | |
EPCO | 1 | |
LUSK | 2 | | SAMEDAN | 140 | |
| AMERICAN DELTA | 9 | |
EPPLER | 1 | |
LUSKEY | 1 | | SAMEDAN OIL | 12 | |
| AMERICAN DRILLING | 7 | |
EQUINOX | 1 | |
LUTTES | 1 | | SAMPLE | 3 | |
| AMERICAN ENERGY | 8 | |
EQUITABLE | 11 | |
LYDA | 1 | | SAMPSON | 3 | |
| AMERICAN EXPLORATION | 16 | |
EQUITX | 6 | |
LYLES | 8 | | SAMS | 4 | |
| AMERICAN FIRST ENERGY | 1 | |
EQUITY | 7 | |
LYMAN | 92 | | SAMSON | 35 | |
| AMERICAN HUNTER | 1 | |
ERIN SOUTHWEST | 1 | |
LYNAL | 1 | | SAN ANDRES | 3 | |
| AMERICAN INTERNATIONAL | 19 | |
ERNEST | 5 | |
LYNBROOK | 4 | | SAN ANTONIO | 28 | |
| AMERICAN LIBERTY | 35 | |
ERSKINE | 7 | |
LYNCH | 32 | | SAN CAJO | 1 | |
| AMERICAN NATURAL GAS | 22 | |
ERWIN | 1 | |
LYNCO | 3 | | SAN DOMINGO | 1 | |
| AMERICAN PETROFINA | 129 | |
ESCOBA | 1 | |
LYND | 6 | | SAN ISIDRO | 5 | |
| AMERICAN PETROLEUM | 1 | |
ESCONDIDO | 1 | |
LYNDEL | 1 | | SAN JACINTO | 38 | |
| AMERICAN PLASTI-PLATE | 1 | |
ESENJAY | 275 | |
LYNN | 8 | | SAN JOSE | 4 | |
| AMERICAN PUBLIC ENERGY | 4 | |
ESGEN | 2 | |
LYNTON | 1 | | SAN JUAN DRILLING | 4 | |
| AMERICAN QUASAR | 12 | |
ESPADA | 3 | |
LYNX | 2 | | SAN JUAN EXPLORATION | 3 | |
| AMERICAN REPUBLIC | 31 | |
ESPERANZA | 6 | |
LYONS | 51 | | SAN JUAN OIL CO. OF TEXAS | 1 | |
| AMERICAN SHORELINE | 51 | |
ESTES | 1 | |
LYTLE CREEK | 5 | | SAN MATEO | 5 | |
| AMERICAN STANDARD | 2 | |
ESUNAS | 5 | |
M & B | 4 | | SAN MIGUEL | 4 | |
| AMERICAN TEXAS | 5 | |
ESVES | 1 | |
M & F D C | 1 | | SAN PATRICIO | 70 | |
| AMERICAN TRADING | 18 | |
ETHREDGE | 2 | |
M & G OPERATING | 5 | | SANCHEZ | 48 | |
| AMERICO | 1 | |
ETHYL | 13 | |
M & R EXPLORATION | 1 | | SANCHEZ-O'BRIEN | 206 | |
| AMERICUS | 1 | |
ETOCO | 11 | |
M & S | 1 | | SAND BAR | 1 | |
| AMERITEX | 1 | |
EUBANK | 4 | |
M & W | 15 | | SANDALWOOD | 21 | |
| AMES | 4 | |
EUBANKS | 3 | |
M C A | 19 | | SANDEFER | 25 | |
| AMEX SYSTEMS | 1 | |
EUGENE | 9 | |
M C OIL | 9 | | SANDERS | 5 | |
| AMHERST | 1 | |
EURA B. OIL | 1 | |
M C S | 2 | | SANDERSON | 1 | |
| AMIGO | 1 | |
EURATEX | 2 | |
M C Z | 10 | | SANDIA | 16 | |
| AMIGOS | 1 | |
EUREKA | 1 | |
M G EXP | 8 | | SANDLIN | 1 | |
| AMINEX USA | 1 | |
EUROPEAN | 18 | |
M G F | 60 | | SANDRA JEAN | 2 | |
| AMINI | 1 | |
EVANS | 53 | |
M G U | 1 | | SANDS | 9 | |
| AMINOIL | 28 | |
EVCO | 7 | |
M H | 2 | | SANDS, CAROLINE HUNT | 17 | |
| AMISTAD | 2 | |
EVERBRIGHT | 7 | |
M IV OPS | 2 | | SANFORD | 1 | |
| AMMAN & McNAB | 2 | |
EVEREST | 95 | |
M J C | 2 | | SANGUINET | 1 | |
| AMMCO | 3 | |
EVERGREEN | 20 | |
M J G | 32 | | SANHALL | 1 | |
| AMMEX | 15 | |
EVERS | 1 | |
M K | 24 | | SANNIX | 1 | |
| AMMONITE | 4 | |
EWING | 4 | |
M K N | 4 | | SANTA CLARA | 59 | |
| AMOCO | 298 | |
EXCELSIOR | 6 | |
M L | 1 | | SANTA FE | 47 | |
| AMOY | 11 | |
EXETER OIL | 15 | |
M L C | 1 | | SANTA ROSA | 2 | |
| AMPAK | 29 | |
EXPANDO | 62 | |
M L RESOURCES | 4 | | SANTEX | 12 | |
| AMPECO | 2 | |
EXPEX | 1 | |
M M C | 2 | | SANTOS | 17 | |
| AMPHION | 1 | |
EXPLORATION | 30 | |
M P G | 11 | | SAPP | 2 | |
| AMPOLEX | 1 | |
EXPLORATION DRILLING | 1 | |
M P PETROLEUM | 1 | | SARATOGA | 1 | |
| AMSLER | 9 | |
EXPLORECO ENERGY | 2 | |
M P S | 74 | | SARCO | 3 | |
| AMUREX | 1 | |
EXPLORER | 1 | |
M R EXPLORATION | 1 | | SARITA | 1 | |
| ANADARKO | 48 | |
EXPORT | 5 | |
M R T | 1 | | SARKEYS | 3 | |
| ANAQUA | 50 | |
EXPRESS | 2 | |
M W J | 5 | | SARNOSA | 2 | |
| ANCIENT SEAS | 1 | |
EXPRO | 1 | |
M W PETROLEUM | 10 | | SARTWELL | 1 | |
| ANCIRA | 1 | |
EXSUN | 30 | |
M W R | 1 | | SASSER | 2 | |
| ANCON OIL | 11 | |
EXTEX | 1 | |
M-G GAS CO | 1 | | SATELLITE | 2 | |
| ANDERMAN | 5 | |
EXXETER PETROLEUM | 20 | |
M-L INC. | 2 | | SATEX | 2 | |
| ANDERSON | 148 | |
EXXON | 1974 | |
M-TEX | 7 | | SAUDER | 6 | |
| ANDERSON-PRICHARD | 35 | |
EZZELL | 14 | |
M-V | 5 | | SAVAGE | 7 | |
| ANDOVER | 7 | |
F & B ENERGY | 2 | |
MABEE | 20 | | SAWYER | 4 | |
| ANDRADE | 33 | |
F C D | 3 | |
MABRY | 2 | | SAXET | 20 | |
| ANDRAU | 4 | |
F F A | 1 | |
MAC DRILLING | 6 | | SAXON | 23 | |
| ANDRAU-HADA | 1 | |
F G B | 1 | |
MAC'S DRILLING | 5 | | SAYERS | 1 | |
| ANDREEN | 2 | |
F-W OIL | 1 | |
MACDIARMID | 1 | | SAYRE | 2 | |
| ANDRES | 2 | |
FAGAN | 4 | |
MacDONALD | 19 | | SCAMBIA | 1 | |
| ANDRESS | 37 | |
FAGIN | 1 | |
MACEO | 8 | | SCAN | 1 | |
| ANDREWS | 87 | |
FAIN | 9 | |
MACERO | 23 | | SCANA | 18 | |
| ANDRUS | 9 | |
FAIR | 198 | |
MACHII-ROSS | 14 | | SCANDRILL | 3 | |
| ANGELINA | 3 | |
FAIRVIEW | 1 | |
MACHIN | 3 | | SCARLET ENERGY | 2 | |
| ANGLO PRODUCTION | 2 | |
FAIRWAY | 7 | |
MACK | 3 | | SCATES | 10 | |
| ANGLO-DUTCH | 1 | |
FAITH | 1 | |
MACKEY | 9 | | SCHAEFER WELL SERVICE | 2 | |
| ANGLO-NATIONAL | 2 | |
FALCO | 2 | |
MACKHANK | 55 | | SCHAFER | 1 | |
| ANHUR | 4 | |
FALCON | 56 | |
MACLANE | 1 | | SCHARF | 1 | |
| ANISMAN | 2 | |
FALCONE | 1 | |
MACNAUGHTON | 1 | | SCHEIG | 3 | |
| ANKENMAN | 4 | |
FALLEY | 5 | |
MACPET | 17 | | SCHELLHASE | 1 | |
| ANN | 1 | |
FALLS | 1 | |
MACQUEST | 1 | | SCHERO | 1 | |
| ANSCHUTZ | 46 | |
FALLS CITY | 1 | |
MADDOX | 2 | | SCHIEFELBEIN | 1 | |
| ANSELMA | 1 | |
FAMCOR | 10 | |
MADDUX | 5 | | SCHIMMEL | 91 | |
| ANSTER | 1 | |
FANCHER | 3 | |
MADERA | 8 | | SCHLESINGER | 2 | |
| ANTARA | 1 | |
FANION | 3 | |
MADRID | 16 | | SCHLOSBERG | 3 | |
| ANTARES | 27 | |
FANSLER | 1 | |
MADRONE | 3 | | SCHMIDT | 9 | |
| ANTEX | 2 | |
FANT | 1 | |
MAER | 1 | | SCHMITT | 2 | |
| ANTLER | 2 | |
FAR | 3 | |
MAGALIS | 1 | | SCHMITZ | 26 | |
| APACHE | 124 | |
FAR WEST | 3 | |
MAGEE | 2 | | SCHNEIDER | 2 | |
| APCO | 2 | |
FARAGSON | 1 | |
MAGGERT | 6 | | SCHNITZ | 3 | |
| APEX ENERGY | 11 | |
FARENTHOLD | 30 | |
MAGNA | 2 | | SCHOEN | 1 | |
| APEX OIL | 4 | |
FARGASON | 6 | |
MAGNETIC | 1 | | SCHOENSELD | 1 | |
| APEXCO | 5 | |
FARGO | 34 | |
MAGNOLIA | 1851 | | SCHOOLFIELD | 23 | |
| APOLLO | 5 | |
FARISH | 3 | |
MAGNUM | 36 | | SCHOONMAKER | 6 | |
| APPELL | 242 | |
FARMERS | 1 | |
MAGUIRE | 154 | | SCHORSCH | 2 | |
| APPLE | 1 | |
FARMOR | 2 | |
MAIN | 3 | | SCHOURSH | 1 | |
| APPLIED THERMAL | 2 | |
FARNEY | 1 | |
MAJESTIC | 3 | | SCHULZ | 4 | |
| APPLING | 1 | |
FARNSWORTH | 3 | |
MAJO | 3 | | SCHUTZ | 2 | |
| AQUILA | 5 | |
FARROW | 1 | |
MAJOR | 15 | | SCHWAB | 23 | |
| AQUITAINE | 1 | |
FARSON | 1 | |
MALLARD | 7 | | SCHWARTZ | 1 | |
| ARANSAS | 8 | |
FASKEN | 8 | |
MALLORY | 1 | | SCHWARZ | 2 | |
| ARAPAHO | 1 | |
FAULK | 2 | |
MALOMAR | 1 | | SCIBIENSKI | 15 | |
| ARAXAS | 3 | |
FAYE | 1 | |
MAN-GAS | 1 | | SCOGGINS | 38 | |
| ARCADIA | 10 | |
FAYETTE COUNTY | 4 | |
MANA | 29 | | SCOPE | 1 | |
| ARCHER | 6 | |
FEAGIN | 3 | |
MANAHAN | 7 | | SCORPION | 2 | |
| ARCO | 335 | |
FEAZEL | 1 | |
MANCO | 42 | | SCOTT | 4 | |
| ARENA | 19 | |
FECH | 1 | |
MANDARIN | 9 | | SCRAP | 1 | |
| ARGO | 280 | |
FEDERAL INDUSTRIES | 1 | |
MANECO | 3 | | SCULLY | 15 | |
| ARGOS | 4 | |
FEDERAL OIL | 1 | |
MANETAS | 1 | | SCURLOCK | 109 | |
| ARGUS | 2 | |
FEDERAL ROYALTY | 13 | |
MANFORTH | 3 | | SE USA | 3 | |
| ARGYLE | 1 | |
FEE OIL & GAS | 1 | |
MANFRED | 11 | | SEABERRY | 1 | |
| ARICK | 1 | |
FEHLHABER | 1 | |
MANGES | 45 | | SEABOARD | 462 | |
| ARIES | 1 | |
FELAND | 3 | |
MANGUM | 18 | | SEACORD | 1 | |
| ARK | 15 | |
FELDERHOFF | 7 | |
MANLER | 1 | | SEAGRAVES | 1 | |
| ARKANSAS FUEL | 247 | |
FELDMAN | 19 | |
MANLEY | 42 | | SEAGULL | 69 | |
| ARKLA | 7 | |
FELMONT | 10 | |
MANNING | 12 | | SEALE | 4 | |
| ARLEDGE | 11 | |
FELTNER | 5 | |
MANOR | 10 | | SEAMAN | 1 | |
| ARMADA | 3 | |
FENDER | 8 | |
MANRY | 2 | | SEAPORT | 15 | |
| ARMER | 1 | |
FENN | 16 | |
MANTI | 36 | | SEAROC | 17 | |
| ARMOUR | 40 | |
FENNER | 1 | |
MAPCO | 5 | | SEAS | 12 | |
| ARMOUR-RICHARDS | 1 | |
FENSTERMAKER | 1 | |
MAPLES | 1 | | SEASHELL | 1 | |
| ARMSTRONG | 98 | |
FERGUSON | 59 | |
MAR | 4 | | SEATEX | 9 | |
| ARMSTRONG & HORN | 10 | |
FERRIER | 4 | |
MAR-TEX | 2 | | SEAY | 1 | |
| ARMSTRONG & SUTTON | 19 | |
FIDELITY | 111 | |
MARALO | 6 | | SECURITY | 43 | |
| ARNOLD | 27 | |
FIELD | 9 | |
MARAN | 6 | | SEDCO | 1 | |
| ARNOLD WELL SERVICE | 94 | |
FIELD DRILLING | 2 | |
MARATHON | 64 | | SEDONA | 2 | |
| ARRIBA | 45 | |
FIELDS | 11 | |
MARCELL | 1 | | SEECO | 1 | |
| ARRINGTON | 1 | |
FIFTEEN | 2 | |
MARCH | 1 | | SEEGER | 5 | |
| ARROW | 31 | |
FIFTH ANDREWS | 1 | |
MARDAM | 13 | | SEEKER | 1 | |
| ARROWHEAD | 1 | |
FIKES | 3 | |
MARGO | 2 | | SEELIGSON | 8 | |
| ARROYO | 1 | |
FILON | 12 | |
MARIAH | 2 | | SEGURO | 1 | |
| ARSHT | 1 | |
FINA | 97 | |
MARINE | 18 | | SEIBEL | 4 | |
| ARTZBERGER | 1 | |
FINCH | 2 | |
MARINE GATHERING | 2 | | SEIDEMAN | 1 | |
| ASAMERA | 10 | |
FINDER | 1 | |
MARINO | 6 | | SEIGFRIED | 1 | |
| ASCENT | 5 | |
FINE | 1 | |
MARION | 25 | | SELBY | 4 | |
| ASHER | 2 | |
FINGER | 22 | |
MARK IV | 41 | | SELBY-WALKER | 48 | |
| ASHFORD | 15 | |
FINLEY | 10 | |
MARK PRODUCING | 4 | | SELIG-CARR | 1 | |
| ASHLAND | 30 | |
FINNEY | 4 | |
MARKHAM | 1 | | SELLERS | 12 | |
| ASHLEY | 1 | |
FIRST ARANSAS | 1 | |
MARKS | 26 | | SELLS | 1 | |
| ASHTOLA | 6 | |
FIRST ENERGY | 10 | |
MARLAND | 1 | | SEMMES | 2 | |
| ASPECT | 5 | |
FIRST MATAGORDA | 5 | |
MARLEX | 1 | | SENDERO | 9 | |
| ASPEN | 2 | |
FIRST OIL | 1 | |
MARLIN | 5 | | SENECA | 20 | |
| ASSOCIATED OIL | 99 | |
FIRST ROCK | 6 | |
MARLINE | 8 | | SENGA | 1 | |
| ASTIN | 1 | |
FIRST UNITED | 2 | |
MARMADUKE | 6 | | SENISA | 1 | |
| ASTRO | 3 | |
FISCHER | 76 | |
MARQUEE | 79 | | SEPSCO | 3 | |
| ATAPCO | 22 | |
FISH | 5 | |
MARR | 4 | | SERBA | 18 | |
| ATASCA RESOURCES | 2 | |
FISHER | 24 | |
MARRIOTT | 1 | | SERBAN | 6 | |
| ATASCO | 5 | |
FISHER-WEBB | 25 | |
MARSH | 64 | | SERIO | 4 | |
| ATASCOSA TRUST | 1 | |
FITE | 1 | |
MARSHALL | 55 | | SERVICE CONTRACTING | 4 | |
| ATCHISON | 3 | |
FITTIPALDO | 1 | |
MARSTON | 4 | | SERVICE DRILLING | 1 | |
| ATHENS | 2 | |
FITZGERALD | 8 | |
MARTEX | 4 | | SESSIONS | 1 | |
| ATKINS & O'NEIL | 4 | |
FITZPATRICK | 67 | |
MARTIN | 190 | | SETEX | 4 | |
| ATKINS MINERALS | 2 | |
FIVE RESOURCES | 6 | |
MARTIN-BAKER | 3 | | SEVEN DRILLING | 1 | |
| ATKINSON | 16 | |
FLAG-REDFERN | 10 | |
MARTINETS | 1 | | SEVEN FOUR & MORRISON | 3 | |
| ATLANTIC | 954 | |
FLAITZ | 59 | |
MARTS | 1 | | SEVEN- FOUR OIL | 7 | |
| ATLAS | 4 | |
FLAMINGO | 13 | |
MARYE | 5 | | SEVENTY OIL CO. | 1 | |
| ATOKA | 1 | |
FLANAGAN | 2 | |
MARYLAND | 19 | | SEVERY | 2 | |
| ATTEBURY | 2 | |
FLARE | 2 | |
MARZO | 2 | | SEWELL | 4 | |
| ATWOOD | 19 | |
FLEET | 2 | |
MASCOT | 3 | | SEXTON | 22 | |
| AUBURN | 6 | |
FLEMING | 1 | |
MASIRAN | 2 | | SHA - JAM | 3 | |
| AUDAS | 5 | |
FLETCHER | 7 | |
MASON | 26 | | SHALLOW ZONES | 1 | |
| AUGUST | 1 | |
FLO-TEX | 1 | |
MASSENGILL | 2 | | SHAMROCK | 144 | |
| AUGUSTA | 1 | |
FLOBOOTS | 4 | |
MASSEY | 2 | | SHANA | 51 | |
| AULD | 20 | |
FLORENCE | 3 | |
MASSINGILL | 57 | | SHANDS | 23 | |
| AURORA | 1 | |
FLORIDA | 24 | |
MASTEN | 2 | | SHANGHAI | 8 | |
| AUSTIN | 17 | |
FLOUR BLUFF | 2 | |
MASTERSON | 3 | | SHANNON | 4 | |
| AUSTRA-TEX | 5 | |
FLOURNOY | 227 | |
MATAGORDA | 12 | | SHAR ALAN | 1 | |
| AUSTRAL | 92 | |
FLOWERS | 23 | |
MATHEWS | 3 | | SHAR-ALAN | 57 | |
| AUTREY | 1 | |
FLOYD | 2 | |
MATHIS | 1 | | SHARON | 3 | |
| AUTUMN | 1 | |
FLUSS | 1 | |
MATLOCK | 2 | | SHARP | 7 | |
| AV-TECH | 1 | |
FLY | 70 | |
MATTHEWS | 4 | | SHARPLES | 5 | |
| AVALANCHE | 3 | |
FLYING DIAMOND | 2 | |
MATZINGER | 24 | | SHARY-MADDOX | 1 | |
| AVERILL | 46 | |
FLYING W | 1 | |
MAUCH | 1 | | SHASTA | 21 | |
| AVERY | 7 | |
FLYNN | 19 | |
MAUDLOWE | 1 | | SHAW | 18 | |
| AWOEB | 3 | |
FOHS | 13 | |
MAURER | 1 | | SHAWELL | 3 | |
| AXEM | 6 | |
FOHS & FOHS | 1 | |
MAVERICK | 33 | | SHAWNEE | 3 | |
| AXIS | 1 | |
FOLWELL | 4 | |
MAXIMA | 6 | | SHEARER | 1 | |
| AYERS | 3 | |
FONTANA | 10 | |
MAXUS | 10 | | SHEFFER | 1 | |
| AYERS & SWOPE | 1 | |
FORAN | 3 | |
MAXWELL | 9 | | SHEFTS | 1 | |
| AYRES | 13 | |
FORBES | 2 | |
MAY | 36 | | SHELCO | 2 | |
| AZALEA | 2 | |
FORCE 4 ENERGY | 1 | |
MAYAN | 1 | | SHELDON | 28 | |
| AZAR | 1 | |
FORCENERGY | 2 | |
MAYCO | 1 | | SHELL | 1724 | |
| AZMUTH | 1 | |
FORD | 121 | |
MAYFAIR | 53 | | SHELLMAN | 2 | |
| AZTEC | 14 | |
FOREE | 4 | |
MAYFIELD | 15 | | SHELLY | 34 | |
| AZUL | 4 | |
FORES | 1 | |
MAYNARD | 36 | | SHELTON | 6 | |
| B & B | 11 | |
FOREST | 364 | |
MAYNE | 4 | | SHENANDOAH | 68 | |
| B & D | 1 | |
FORESTER | 5 | |
MAYO | 34 | | SHENANGO | 3 | |
| B & E | 1 | |
FORETICH | 1 | |
MAYS | 1 | | SHEPARD | 1 | |
| B & G | 6 | |
FORGOTSON | 1 | |
MAZURICK | 1 | | SHEPHERD | 11 | |
| B & K | 1 | |
FORMAN | 2 | |
McALESTER | 10 | | SHEPPARD | 1 | |
| B & L | 2 | |
FORNEY | 239 | |
McALISTER | 1 | | SHEPPERD | 1 | |
| B & M | 20 | |
FORT BEND | 16 | |
McALL | 3 | | SHERIDAN ENERGY | 1 | |
| B & S | 1 | |
FORT WORTH | 1 | |
McALPIN | 3 | | SHERRY-GALLIGAN | 1 | |
| B & W | 1 | |
FORTENBERRY | 6 | |
McBEE | 13 | | SHERWOOD | 8 | |
| B A S A | 1 | |
FORTRESS MINERALS | 4 | |
McBRAYER | 1 | | SHETTLE | 7 | |
| B B L | 3 | |
FORTSON | 1 | |
McBRIDE | 106 | | SHIELD | 177 | |
| B B M | 16 | |
FOSS | 2 | |
McCABE | 53 | | SHIPMAN | 9 | |
| B D K | 110 | |
FOSSIL BAY | 5 | |
McCAIN | 1 | | SHIRLEY | 1 | |
| B D PRODUCTION | 28 | |
FOSSIL EXPLORATION | 8 | |
McCALEB | 15 | | SHOEMAKER | 1 | |
| B D R | 3 | |
FOSTER | 14 | |
McCAMERON | 1 | | SHORE | 5 | |
| B G EXPLORATION | 1 | |
FOUCH | 1 | |
McCAMEY | 1 | | SHOREHAM | 1 | |
| B H P | 25 | |
FOUNDATION OIL | 1 | |
McCANDLESS | 1 | | SHORELINE | 27 | |
| B H P PETROLEUM | 1 | |
FOUNTAIN | 8 | |
McCARRICK | 55 | | SHORT | 2 | |
| B J B | 15 | |
FOUR STAR | 1 | |
McCARTER | 34 | | SHOWERMAN | 2 | |
| B J OIL MANAGEMENT | 1 | |
FOUR-B TRUST | 31 | |
McCARTHY | 86 | | SHOWERS | 9 | |
| B N P | 32 | |
FOURTEEN-HUNDRED CORPORATION | 1 | |
McCARTY | 1 | | SHRIVER | 2 | |
| B P AMERICA | 13 | |
FOWELL | 1 | |
McCLAIN | 71 | | SHROPSHIRE | 3 | |
| B P L | 1 | |
FOWLER | 1 | |
McCLUNG | 3 | | SHUART | 5 | |
| B P PRODUCTION | 3 | |
FOX | 74 | |
McCOLLUM | 7 | | SHUBUTA | 2 | |
| B S E PRODUCTION | 3 | |
FRANCIS | 4 | |
McCOMBS | 8 | | SHUMWAY | 7 | |
| B T | 6 | |
FRANCITAS | 13 | |
McCORD | 43 | | SIBONEY | 3 | |
| B T A OIL | 31 | |
FRANK | 1 | |
McCORMICK | 171 | | SIDDALL | 2 | |
| B W A B | 1 | |
FRANKE | 2 | |
McCRACKEN | 2 | | SIEGFRIED | 9 | |
| B Y S | 1 | |
FRANKEL | 13 | |
McCRIGHT | 2 | | SIEN | 7 | |
| B-G OPERATING | 1 | |
FRANKFORT | 15 | |
McCULLOCH | 17 | | SIERRA | 28 | |
| BABB | 1 | |
FRANKLIN | 26 | |
McCULLOUGH | 7 | | SIETE | 3 | |
| BACARISSE | 1 | |
FRANKS | 1 | |
McCURDY | 20 | | SIEVERS | 2 | |
| BAGDAD | 3 | |
FRANZ | 3 | |
McCUTCHIN | 4 | | SIGMOR | 17 | |
| BAGNALL | 1 | |
FRASER | 7 | |
MCDADE | 1 | | SIGNAL | 17 | |
| BAHIA | 30 | |
FRAZER | 2 | |
McDANIEL | 4 | | SIGNET | 6 | |
| BAILEY | 34 | |
FRAZIER | 70 | |
McDANNALD | 39 | | SIITA INVESTMENST | 1 | |
| BAINBRIDGE | 2 | |
FREDONIA | 1 | |
McDERMOTT | 37 | | SIMAC | 1 | |
| BAKER | 21 | |
FREEDMAN | 13 | |
McDONALD | 25 | | SIMMONDS & PERRY | 65 | |
| BAKKE | 27 | |
FREEMAN | 46 | |
McDOUGAL | 2 | | SIMMONS | 99 | |
| BALBOA | 2 | |
FREEPORT | 1 | |
McDOWELL | 3 | | SIMMS | 2 | |
| BALD | 2 | |
FREER | 3 | |
McDRILLING | 2 | | SIMONS | 3 | |
| BALDRIDGE | 161 | |
FREESNO | 1 | |
McELVAIN | 8 | | SIMONTON | 5 | |
| BALLANFONTE | 3 | |
FREMONT | 10 | |
McFADDEN | 8 | | SIMPSON | 4 | |
| BALLARD | 46 | |
FRENCH OIL | 29 | |
McFADDIN | 1 | | SIMRAY | 2 | |
| BALLENGEE | 1 | |
FRENCH, L.D. | 1 | |
McFARLAND | 37 | | SINCLAIR | 445 | |
| BALTIC | 20 | |
FRIDAY | 5 | |
McFARLANE | 30 | | SINGER | 4 | |
| BAM | 2 | |
FRIO | 114 | |
MCGAHEY | 1 | | SINGLETON | 76 | |
| BAMM | 1 | |
FRIO-TEX | 65 | |
McGALLIARD | 10 | | SIOSI | 3 | |
| BAMMERT | 1 | |
FROHNHOEFER | 8 | |
McGARR | 42 | | SIOUX | 1 | |
| BANCROFT | 2 | |
FRONTIER PETROLEUM | 2 | |
McGEHEE | 1 | | SIOUX NATURAL GAS | 1 | |
| BANDER | 1 | |
FROST | 62 | |
McGLOTHLIN | 1 | | SIRTEX | 12 | |
| BANDERA | 2 | |
FRYER | 1 | |
McGOLDRICK | 3 | | SITTON | 3 | |
| BANKHEAD | 17 | |
FULK | 1 | |
McGORICK-SMITH | 1 | | SIZNOD | 12 | |
| BANKLINE | 7 | |
FULLER | 49 | |
McGOWAN | 10 | | SKELLY | 361 | |
| BANKS MILLER | 3 | |
FULLERTON | 5 | |
McGREGOR | 14 | | SKIDMORE | 10 | |
| BANNER | 2 | |
FULTON | 4 | |
McGUFFIN | 10 | | SKILES | 3 | |
| BANNON | 2 | |
FUNDAMENTAL OIL | 3 | |
McGUIRE | 1 | | SKINNER | 136 | |
| BAR D | 3 | |
FURNELL | 1 | |
McHENRY | 1 | | SKLAR | 9 | |
| BAR M | 17 | |
FURSE | 1 | |
McHUGH | 5 | | SKRIVANOS | 1 | |
| BAR MAR | 2 | |
FUSON | 1 | |
McIVER | 2 | | SKYLARK | 2 | |
| BAR S | 1 | |
FUTCH | 1 | |
McKAY | 1 | | SLACK | 1 | |
| BAR-MAC | 1 | |
FUTURE EXPLORATION | 1 | |
McKEE | 2 | | SLADE | 11 | |
| BAR-MAR | 1 | |
FUTURE PETROLEUM | 3 | |
McKENZIE | 22 | | SLAGTER | 1 | |
| BARBARA | 15 | |
G & H | 2 | |
McKINZIE | 1 | | SLATER | 8 | |
| BARBEE | 6 | |
G & M | 3 | |
McLAIN | 5 | | SLAUGHTER | 1 | |
| BARBER | 12 | |
G & P | 5 | |
McLEAN | 2 | | SLAVIK | 3 | |
| BARBRE | 1 | |
G & S | 1 | |
McLELLAND | 1 | | SLAWSON | 34 | |
| BARGE | 1 | |
G A P | 5 | |
McLEOD | 14 | | SLAYTON | 2 | |
| BARIA | 18 | |
G A S | 11 | |
McMAHON | 37 | | SLICK | 64 | |
| BARKER | 4 | |
G C E A | 2 | |
McMILLAN | 1 | | SLOAN | 3 | |
| BARNEBURG | 10 | |
G D ENERGY | 1 | |
McMORAN | 150 | | SLOANE | 1 | |
| BARNES | 19 | |
G D K | 3 | |
McMULLEN | 1 | | SMALLWOOD | 1 | |
| BARNETT | 4 | |
G E C | 2 | |
McMURRAY | 4 | | SMEDLEY | 4 | |
| BARNHART | 8 | |
G H J | 4 | |
McMURREY | 1 | | SMILEY | 2 | |
| BARNHILL | 7 | |
G H R | 47 | |
McNAB | 1 | | SMITH | 734 | |
| BARNSDALL | 221 | |
G L G ENERGY | 6 | |
McNEEL | 2 | | SMYRL | 4 | |
| BARNWELL | 6 | |
G S I | 2 | |
McNEILL | 2 | | SMYTH | 12 | |
| BARON | 5 | |
G W R | 2 | |
McOIL | 1 | | SNAP-PAC | 1 | |
| BARRACUDA | 1 | |
GABRIEL | 2 | |
MCOR | 4 | | SNEE | 2 | |
| BARRANCA | 1 | |
GAEA | 1 | |
McPETERS | 1 | | SNELLSTROM | 3 | |
| BARRETT | 4 | |
GAELIC | 2 | |
McQUEEN | 1 | | SNOWDEN | 30 | |
| BARRIER | 7 | |
GAGE | 1 | |
McRAE | 12 | | SNYDER | 10 | |
| BARRY | 26 | |
GAINCO | 12 | |
McRAE-FLEMING | 1 | | SOCONY MOBIL | 44 | |
| BARTELS | 1 | |
GAINES | 10 | |
McROREY | 3 | | SOCORRO | 5 | |
| BARTESSA | 1 | |
GAITHER | 6 | |
McSPADDEN | 13 | | SOCS VRATIS | 1 | |
| BARTGIS | 1 | |
GALATIA | 3 | |
McWILLIAMS | 5 | | SOHIO | 120 | |
| BARTH | 1 | |
GALAXY | 170 | |
McWOOD | 2 | | SOJOURNER | 2 | |
| BARTHOLOMEW | 1 | |
GALLAHER | 7 | |
MEAD | 2 | | SOL | 2 | |
| BARTLE | 3 | |
GALLO DE CRISTAL | 1 | |
MEADERS | 2 | | SOLANA | 1 | |
| BARTLETT | 2 | |
GALLOWAY | 1 | |
MEADOW VIEW | 2 | | SOLATEX | 6 | |
| BASIC EARTH SCIENCE | 11 | |
GALO ENERGY | 6 | |
MEANS | 5 | | SOLLARS | 6 | |
| BASIN | 13 | |
GALT | 1 | |
MEBANE | 4 | | SOLO | 26 | |
| BASOM | 3 | |
GALVEZ | 1 | |
MECEY | 1 | | SOLOCO | 3 | |
| BASS | 166 | |
GAMBLE | 6 | |
MECO | 8 | | SOLRAC | 2 | |
| BASTROP | 4 | |
GAMMA RESOURCES | 3 | |
MECOM | 89 | | SOMAC | 1 | |
| BATEMAN | 9 | |
GAMMETER | 1 | |
MED-TEX | 6 | | SOMERSET | 2 | |
| BATES | 4 | |
GAR | 3 | |
MEDALLION | 7 | | SOMONT | 2 | |
| BATEX | 3 | |
GAR-FLO | 1 | |
MEDDERS | 5 | | SONAT | 37 | |
| BATON | 4 | |
GARCIA | 1 | |
MEEK | 2 | | SONITT | 4 | |
| BATTAILE & KNISELY | 1 | |
GARDESCU | 1 | |
MEEKER | 38 | | SONORA EXPLORATION | 1 | |
| BAUCHMAN | 2 | |
GARDNER | 35 | |
MEEKS | 1 | | SOOKEY-NICK | 1 | |
| BAUGH | 1 | |
GARLAND | 2 | |
MEGA | 1 | | SOONER | 2 | |
| BAUMAN | 3 | |
GARLITZ | 4 | |
MEGAHAN | 3 | | SORELLE | 6 | |
| BAXTER | 97 | |
GARNER | 1 | |
MEJLAENDER | 2 | | SOREY | 1 | |
| BAY CITY DRILLING | 11 | |
GARNETT | 5 | |
MELBA | 43 | | SORRELLS | 7 | |
| BAY CITY REFINING | 4 | |
GARR | 2 | |
MELLARD | 1 | | SOSSAMAN | 3 | |
| BAY OIL | 9 | |
GARRETT | 8 | |
MELLON | 28 | | SOTEX | 3 | |
| BAY PRODUCTION | 3 | |
GARRISON | 8 | |
MELMERICH | 1 | | SOUTH | 8 | |
| BAY ROCK | 73 | |
GARVEY | 8 | |
MELTON | 2 | | SOUTH BASIN | 1 | |
| BAYNES | 10 | |
GARVIN | 1 | |
MEMORIAL EXPLORATION | 1 | | SOUTH BAY | 1 | |
| BAYPORT | 3 | |
GARY | 1 | |
MENGDEN | 28 | | SOUTH COAST | 2 | |
| BAYRIDGE | 1 | |
GAS | 4 | |
MENGER | 1 | | SOUTH ELGIN | 1 | |
| BAYSIDE | 18 | |
GAS PRODUCING ENTERPRISES | 55 | |
MERCURY | 16 | | SOUTH SHORE | 1 | |
| BAYSTAR | 1 | |
GASAWAY | 1 | |
MEREDITH | 79 | | SOUTH STATES | 26 | |
| BAYTEX OIL | 31 | |
GASOLINE PRODUCTION | 118 | |
MERIDIAN | 61 | | SOUTH TEXAS | 92 | |
| BEACH | 14 | |
GASPER RICE | 29 | |
MERIT | 11 | | SOUTHAMPTON | 1 | |
| BEACHAM | 1 | |
GASROCK | 2 | |
MERREN | 2 | | SOUTHCOAST | 2 | |
| BEACON | 15 | |
GASTEX | 1 | |
MERRICK | 28 | | SOUTHEASTERN | 41 | |
| BEADLE | 1 | |
GASTRANS | 5 | |
MERRITT | 13 | | SOUTHERN BAY | 1 | |
| BEALL | 3 | |
GATES | 2 | |
MESA | 37 | | SOUTHERN COAST | 24 | |
| BEAMAN | 5 | |
GATHINGS | 36 | |
MESA CHICA | 2 | | SOUTHERN COMMUNITY | 23 | |
| BEAMON | 6 | |
GATO | 2 | |
MESQUITE | 14 | | SOUTHERN CRUDE | 4 | |
| BEARD | 15 | |
GAUNTT | 3 | |
MESSENGER | 1 | | SOUTHERN ENERGY | 4 | |
| BEASLEY | 1 | |
GAUTREAUX | 1 | |
MESSER | 15 | | SOUTHERN GULF | 22 | |
| BEATY | 1 | |
GAYLE | 1 | |
MESSERS CO. | 4 | | SOUTHERN HYDROCARBONS | 3 | |
| BECHTEL | 1 | |
GEDDIE | 4 | |
MESTENA | 22 | | SOUTHERN MINERALS | 794 | |
| BECK | 15 | |
GEE | 1 | |
METALS SERVICE | 11 | | SOUTHERN NATURAL | 9 | |
| BECKER | 32 | |
GEER | 2 | |
METANO ENERGY | 2 | | SOUTHERN OIL | 2 | |
| BECKHAM | 2 | |
GEIER-JACKSON | 2 | |
METCO | 3 | | SOUTHERN PETROLEUM | 38 | |
| BECKMAN | 8 | |
GEISE | 3 | |
METRO | 1 | | SOUTHERN PROD. | 28 | |
| BECO | 2 | |
GEISELMAN | 15 | |
METROPOLITAN OIL | 8 | | SOUTHERN RESOURCES | 37 | |
| BEDWELL | 13 | |
GEISER | 51 | |
METTS | 1 | | SOUTHERN ROYALTY | 112 | |
| BEER | 25 | |
GEM | 8 | |
MEYERS | 27 | | SOUTHERN STAR | 1 | |
| BEGEMAN | 9 | |
GEMACA | 1 | |
MIAMI | 20 | | SOUTHERN STATES | 1 | |
| BEHEMOTH | 4 | |
GEMINI | 9 | |
MICHAEL | 113 | | SOUTHERN UNION | 31 | |
| BEHRING | 1 | |
GENERAL AMERICAN OIL | 18 | |
MICHAUX | 39 | | SOUTHLAND | 41 | |
| BEL OIL | 7 | |
GENERAL ATLANTIC | 1 | |
MICHEL | 2 | | SOUTHLAND & C C WINN | 1 | |
| BEL-POTA | 3 | |
GENERAL CRUDE | 255 | |
MICHELSON | 21 | | SOUTHLAND DRILLING | 72 | |
| BELAIRE | 1 | |
GENERAL PETROLEUM | 2 | |
MID AMERICA | 2 | | SOUTHLAND MINERALS | 14 | |
| BELCHER | 4 | |
GENERAL PROD. | 7 | |
MID COAST | 3 | | SOUTHLAND ROYALTY | 48 | |
| BELCO | 62 | |
GENERAL WELL | 3 | |
MID GULF | 2 | | SOUTHLAND-BERRY | 1 | |
| BELGAM | 7 | |
GENESIS | 134 | |
MID KANSAS | 1 | | SOUTHPORT | 21 | |
| BELL | 25 | |
GEO ENERGY | 5 | |
MID-AMERICAN | 24 | | SOUTHTEX | 10 | |
| BELL & DANSFIELL | 21 | |
GEO EXPLORATION | 3 | |
MID-CENTURY | 3 | | SOUTHWEST | 32 | |
| BELL, JAY | 1 | |
GEO FOCUS | 1 | |
MID-CONTINENT | 25 | | SOUTHWEST DRILLING | 5 | |
| BELL, KELLY | 65 | |
GEO-REEF | 2 | |
MID-STATES | 2 | | SOUTHWEST LAND & MINERALS | 17 | |
| BELLOWS | 2 | |
GEO-SOURCE | 1 | |
MID-TEXAS | 7 | | SOUTHWEST MINERALS | 6 | |
| BELLWETHER | 3 | |
GEOCHEMICAL | 66 | |
MIDAS | 1 | | SOUTHWEST NATURAL GAS | 1 | |
| BELMONT | 1 | |
GEODE | 4 | |
MIDDLETON | 8 | | SOUTHWEST OIL | 2 | |
| BENEDUM | 9 | |
GEODOMINION PETROLEUM | 40 | |
MIDHURST | 19 | | SOUTHWEST OIL & GAS | 1 | |
| BENEDUM-TREES | 44 | |
GEODYNAMICS | 72 | |
MIDLAND | 40 | | SOUTHWEST OIL & LAND | 25 | |
| BENGAIL | 3 | |
GEOGRAPHIC | 1 | |
MIDSTATES | 86 | | SOUTHWEST PETROCHEM | 9 | |
| BENGE | 1 | |
GEOLOGICAL RESEARCH | 18 | |
MIDTEX | 1 | | SOUTHWEST PETROLEUM | 8 | |
| BENHAM | 1 | |
GEONATURAL RESOURCES | 5 | |
MIDWAY | 26 | | SOUTHWEST PRODUCTION | 13 | |
| BENNETT | 37 | |
GEOPHYSICAL | 10 | |
MIDWEST | 80 | | SOUTHWEST SERVICES | 1 | |
| BENNETT, MILLS | 151 | |
GEORGE | 8 | |
MIERS | 1 | | SOUTHWEST TEXAS | 1 | |
| BENSON | 12 | |
GEOSEARCH | 5 | |
MIHOVAL | 1 | | SOUTHWEST WORKOVER | 18 | |
| BENTEX | 6 | |
GEOSOUTHERN | 6 | |
MIKTON | 3 | | SOUTHWESTERN | 192 | |
| BENTON | 1 | |
GEOTEK | 1 | |
MILAGRO | 1 | | SOUTHWOOD | 13 | |
| BENTSEN | 72 | |
GERALD | 2 | |
MILAM | 14 | | SOUTHWORTH | 22 | |
| BENZ | 7 | |
GERKER | 1 | |
MILES | 7 | | SOVEREIGN | 38 | |
| BENZ-STODDARD | 5 | |
GERMANY | 1 | |
MILESTONE | 22 | | SOWARBY | 2 | |
| BENZAQUIN | 1 | |
GERNER | 1 | |
MILHAM | 1 | | SPADDEN | 1 | |
| BERENERGY | 10 | |
GERODETTI | 1 | |
MILLER | 297 | | SPANISH CAMP | 11 | |
| BERG | 1 | |
GERONIMO | 40 | |
MILLER & DONZIS | 1 | | SPARKMAN | 21 | |
| BERGMAN | 37 | |
GERTEX | 1 | |
MILLER & FOX | 29 | | SPARKS | 4 | |
| BERING | 31 | |
GES | 5 | |
MILLER & PIERCE | 25 | | SPARTA | 20 | |
| BERKLEY | 2 | |
GETTY | 262 | |
MILLICAN | 76 | | SPARTAN | 71 | |
| BERKSHIRE | 1 | |
GIBLIN | 1 | |
MILLS | 1 | | SPEAR | 2 | |
| BERLY | 1 | |
GIBRALTAR | 16 | |
MILLSAP | 9 | | SPEARS | 2 | |
| BERNARD | 1 | |
GIBSON | 20 | |
MILNER | 7 | | SPEEDMAN | 3 | |
| BERRY | 2 | |
GIDDENS | 1 | |
MILO | 1 | | SPEEDWELL | 10 | |
| BERTELSON | 1 | |
GIDEON | 2 | |
MILTEX | 5 | | SPELLER | 1 | |
| BERTMAN | 1 | |
GIEBEL | 2 | |
MIM | 11 | | SPENCER | 25 | |
| BEST | 1 | |
GIERHART | 37 | |
MIN-TEX | 3 | | SPERRY-MAC | 1 | |
| BETA | 1 | |
GIFFORD | 7 | |
MINAHAN | 1 | | SPERRY-YOUNG | 1 | |
| BETTIS | 65 | |
GILBERT | 1 | |
MINDEN | 8 | | SPEYRER | 1 | |
| BEVERS | 1 | |
GILBREATH | 2 | |
MINER | 14 | | SPICE | 16 | |
| BEVLY | 31 | |
GILCHRIST | 1 | |
MINERAL DEVELOPMENT | 1 | | SPIDLE | 4 | |
| BEXCO | 19 | |
GILCREASE | 83 | |
MINERAL PROJECTS | 2 | | SPILLER | 21 | |
| BID-RICH | 2 | |
GILGER | 12 | |
MINERAL RESOURCES | 1 | | SPIRIT | 2 | |
| BIG 6 DRILLING | 44 | |
GILL | 30 | |
MINERALS EXPLORATION | 1 | | SPOOR | 5 | |
| BIG CHIEF | 2 | |
GILLAND | 1 | |
MINERALS OF TEXAS | 2 | | SPRADLEY | 2 | |
| BIG LAKE | 3 | |
GILLESPIE | 39 | |
MINTON | 4 | | SPUR | 1 | |
| BIG SPRINGS | 6 | |
GILLEY | 1 | |
MINUTEMAN | 1 | | SQUARE MILE | 3 | |
| BIGHART | 2 | |
GILLIAM | 1 | |
MIRADA | 4 | | ST LANDRY DRILLING | 1 | |
| BIGHORN | 1 | |
GILLILAND | 1 | |
MIRAMAR | 40 | | ST. JOE PETROLEUM | 11 | |
| BIGLANE | 2 | |
GILLOCK | 1 | |
MIRANDO CRUDE | 1 | | ST. JOHN | 3 | |
| BILBO | 14 | |
GILLRING | 106 | |
MISSION | 9 | | STABLE | 1 | |
| BILLFISCH | 4 | |
GILMORE | 1 | |
MISSION RIVER | 1 | | STACCATO | 2 | |
| BILLINGS | 9 | |
GILSTER | 1 | |
MITCHAMORE | 6 | | STACEY | 1 | |
| BINNEY | 1 | |
GINTHER | 168 | |
MITCHELL | 219 | | STACK | 1 | |
| BINTLIFF | 13 | |
GISSEL | 1 | |
MIZEL | 4 | | STAGGS | 1 | |
| BIRD | 1 | |
GIST | 2 | |
MO-JON | 9 | | STAHL | 83 | |
| BIRDWELL | 58 | |
GIVENS | 1 | |
MOBIL | 510 | | STALLION | 9 | |
| BISCO | 1 | |
GLACIER | 84 | |
MOCKINGBIRD | 1 | | STAMEY | 1 | |
| BISHOP | 32 | |
GLASCO | 2 | |
MODE | 1 | | STAMPEDE | 29 | |
| BISKAMP | 1 | |
GLASS | 1 | |
MODERN | 51 | | STANCO | 3 | |
| BISSETT | 1 | |
GLASSCOCK | 353 | |
MODESETT | 3 | | STANDARD | 491 | |
| BITTNER | 1 | |
GLASSEL | 2 | |
MOGFORD | 1 | | STANFORD | 1 | |
| BLACK | 37 | |
GLAZIER | 1 | |
MOHAWK | 1 | | STANLEY | 1 | |
| BLACK GOLD | 2 | |
GLENCO | 6 | |
MOKEEN | 123 | | STANOLIND | 643 | |
| BLACK RIVER | 4 | |
GLENDA | 10 | |
MOLE | 16 | | STANROSS | 1 | |
| BLACK ROCK | 9 | |
GLENN | 22 | |
MOLINA | 1 | | STAPLES | 31 | |
| BLACKFOOT | 1 | |
GLENN & ASSOCIATES | 4 | |
MOLTREY | 1 | | STAPPER | 1 | |
| BLACKJACK | 7 | |
GLENNCO | 5 | |
MOMENTUM | 1 | | STAR | 13 | |
| BLACKMAR | 2 | |
GLENORA | 4 | |
MONCRIEF | 16 | | STAR CRUDE | 1 | |
| BLACKWELL | 1 | |
GLENWAR | 2 | |
MONCUS | 1 | | STAR FALCON | 1 | |
| BLAFFER | 5 | |
GLO CO. | 1 | |
MONDAY | 51 | | STAR OF TEXAS | 4 | |
| BLAIR | 25 | |
GLOBAL | 8 | |
MONGOOSE | 9 | | STARBUCK | 1 | |
| BLAIR-VREELAND | 190 | |
GLOBE OPERATING CO. | 8 | |
MONITOU | 1 | | STARCO | 4 | |
| BLAIRSVILLE | 2 | |
GLYNN-THOMPSON | 1 | |
MONROE | 11 | | STARDUST | 10 | |
| BLALOCK | 2 | |
GO ENERGY | 2 | |
MONSANTO | 134 | | STARKEY | 2 | |
| BLANCHARD | 20 | |
GO OIL | 1 | |
MONTE | 1 | | STARNS | 1 | |
| BLANCO | 212 | |
GO-ENERGY | 4 | |
MONTE CHRISTO | 3 | | STARR | 47 | |
| BLANKE | 1 | |
GO-TEX | 8 | |
MONTECITO | 1 | | STARRETT | 17 | |
| BLANTON | 6 | |
GODBOUT | 1 | |
MONTEGO | 9 | | STATES | 6 | |
| BLAZER | 6 | |
GODSEY | 11 | |
MONTEREY | 14 | | STATEX | 2 | |
| BLEAKLEY | 13 | |
GOERNER | 1 | |
MONTERREY | 35 | | STAUB | 1 | |
| BLOCK | 1 | |
GOETZ | 8 | |
MONTGOMERY | 3 | | STEEGER | 89 | |
| BLOCKER | 46 | |
GOFORTH | 2 | |
MOODY | 19 | | STEEN | 2 | |
| BLOHM | 6 | |
GOHLKE | 3 | |
MOORE | 190 | | STEEPLE | 1 | |
| BLOMGREN | 2 | |
GOHLKE-BENGE | 1 | |
MOORINGSPORT | 5 | | STEINBERGER | 8 | |
| BLOUNT | 18 | |
GOLDEN | 37 | |
MOOSE | 27 | | STEINMANN | 1 | |
| BLUCHER | 1 | |
GOLDING | 3 | |
MORAN | 55 | | STEINMETZ | 2 | |
| BLUCO | 14 | |
GOLDKING | 239 | |
MORCO | 3 | | STEITLE | 1 | |
| BLUE JAY | 8 | |
GOLDMAN | 1 | |
MORELAND | 1 | | STEKOLL | 2 | |
| BLUE RIDGE | 4 | |
GOLDRUS | 23 | |
MOREOIL | 1 | | STELCOFAL | 1 | |
| BLUE SKY | 23 | |
GOLDSMITH | 6 | |
MORGAN | 590 | | STELLMAN | 1 | |
| BLUE WATER | 1 | |
GOLDSTON | 237 | |
MORGAN-GULF | 4 | | STELZIG | 6 | |
| BLUEBONNET | 3 | |
GOLDSTRAND | 1 | |
MORLAS | 1 | | STEMMONS | 7 | |
| BLUERIDGE | 3 | |
GOLIAD | 33 | |
MORMAC | 256 | | STEPHENS | 34 | |
| BLUESTONE | 1 | |
GOLSON | 1 | |
MORRE | 1 | | STEPHENSON | 2 | |
| BLUFF | 2 | |
GOMA | 1 | |
MORRIS | 33 | | STERLING | 60 | |
| BLUMBERG | 10 | |
GOOD DAY | 8 | |
MORRISON | 9 | | STEVENS | 23 | |
| BLUMENTHAL | 1 | |
GOOD HOPE | 147 | |
MORROW | 1 | | STEVENSON | 8 | |
| BLUTCH | 2 | |
GOODALE | 22 | |
MORSE | 4 | | STEVER | 1 | |
| BOB'S SERVICE | 1 | |
GOODELL | 4 | |
MORSEY | 3 | | STEWARD | 31 | |
| BOCK | 6 | |
GOODHUE | 1 | |
MORTCO | 1 | | STEWART | 31 | |
| BODE | 2 | |
GOODRICH | 13 | |
MORTEX | 3 | | STEWARTS | 18 | |
| BOEGENTER | 1 | |
GOODWIN | 1 | |
MORTIMER | 72 | | STICE | 10 | |
| BOLIN | 10 | |
GORDEN | 1 | |
MORTON | 3 | | STICKNEY | 5 | |
| BOLING | 7 | |
GORDON | 12 | |
MOSBACHER | 232 | | STIEREN | 2 | |
| BOLLER | 4 | |
GORMAN | 328 | |
MOSELEY | 21 | | STINGER | 9 | |
| BOLLING | 1 | |
GORUM | 6 | |
MOSELLE | 1 | | STIVERS | 4 | |
| BOLLMAN | 1 | |
GOSE | 133 | |
MOSS | 29 | | STOBBS | 1 | |
| BOLSA | 1 | |
GOTTLIEB | 2 | |
MOSS & ADAMS | 1 | | STOCKARD | 6 | |
| BOLTON | 2 | |
GOUGER | 10 | |
MOSS & WATSON | 4 | | STODDARD | 10 | |
| BOMMER | 17 | |
GOULD | 1 | |
MOSSER | 81 | | STOKER | 1 | |
| BONANZA | 6 | |
GOVERNMENT WELLS | 23 | |
MOTCO | 3 | | STOLTZ | 1 | |
| BONAVENTURE | 5 | |
GRABOWSKI | 5 | |
MOTEX | 41 | | STONE | 38 | |
| BOND, DURBIN | 20 | |
GRACE | 72 | |
MOTI | 1 | | STONEBURNER | 5 | |
| BOND, ROLAND | 4 | |
GRACEY | 1 | |
MOTT | 4 | | STONETEX | 8 | |
| BONNER | 2 | |
GRAGG | 2 | |
MOULDEN | 1 | | STORM | 37 | |
| BONOIL | 1 | |
GRAHAM | 360 | |
MOULTON | 6 | | STORY | 25 | |
| BOONE | 3 | |
GRAMMAR | 1 | |
MOUND | 25 | | STOUT | 7 | |
| BOOTH & HOLMAN | 4 | |
GRANDE | 12 | |
MOUNT | 8 | | STOVALL | 4 | |
| BOOTHE | 1 | |
GRANDIN | 1 | |
MOUNTAIN TOWNSITE | 1 | | STRAGO | 1 | |
| BORDER | 49 | |
GRANITE | 4 | |
MOWINCKLE | 5 | | STRAKE | 41 | |
| BOREN | 3 | |
GRANT | 7 | |
MOWINKLE | 11 | | STRAND | 7 | |
| BORNEFELD | 1 | |
GRARIDGE | 20 | |
MUDGE | 5 | | STRATA | 22 | |
| BORSODI | 4 | |
GRASTY | 2 | |
MUELLER | 213 | | STRATEX | 1 | |
| BOSTON | 10 | |
GRAVIS | 59 | |
MUGG | 1 | | STRATIGRAPHIC | 7 | |
| BOTTOMS | 1 | |
GRAY | 39 | |
MULE | 2 | | STRATORAY | 1 | |
| BOUNDS | 1 | |
GRAY WOLFE | 2 | |
MULLE | 3 | | STRATTON | 1 | |
| BOUNTY | 19 | |
GRAYBURG | 2 | |
MULTI-ENERGY | 1 | | STREET | 14 | |
| BOURNE | 2 | |
GREAT BASINS | 13 | |
MULVER | 1 | | STRICKER | 2 | |
| BOW | 3 | |
GREAT EXPECTATION | 2 | |
MUNDY | 1 | | STRIDER | 2 | |
| BOWDEN | 1 | |
GREAT LAKES | 28 | |
MUNN | 1 | | STRIEBAR | 2 | |
| BOWEN | 3 | |
GREAT NATIONAL | 1 | |
MUNSON | 3 | | STRIEBER | 1 | |
| BOWLES | 22 | |
GREAT PLAINS | 6 | |
MURCHISON | 19 | | STRIKE | 13 | |
| BOWLING | 2 | |
GREAT SOUTHERN | 2 | |
MURCO | 1 | | STRINGER | 33 | |
| BOWMAN | 4 | |
GREAT SOUTHWEST | 1 | |
MURDICK | 1 | | STRITEX | 1 | |
| BOWMAN CATTLE | 11 | |
GREAT SOUTHWESTERN | 1 | |
MUREXO | 6 | | STRONGHOLD | 1 | |
| BOYCE | 7 | |
GREAT STATES | 3 | |
MURLYNSON | 9 | | STROOPE | 3 | |
| BOYD & DURST | 3 | |
GREAT TEXAS | 2 | |
MUROC | 1 | | STROUBE | 4 | |
| BOYD & GALT | 1 | |
GREAT TEXAS CRUDE | 23 | |
MURPHEY | 1 | | STRUCTURE | 1 | |
| BOYKIN | 59 | |
GREAT WEST PET. | 2 | |
MURPHY | 19 | | STRUNK | 1 | |
| BOYLE | 70 | |
GREAT WESTERN | 14 | |
MURRAY | 25 | | STUART | 2 | |
| BOYSEN | 34 | |
GREATHOUSE | 2 | |
MURRELL | 1 | | STUART-SCHAEFER | 1 | |
| BRACHMAN | 1 | |
GREBIN | 1 | |
MURRY | 1 | | STURDEVANT | 4 | |
| BRACKEN | 3 | |
GREEHEY | 1 | |
MUSS | 5 | | SUBSURFACE | 25 | |
| BRADBURY | 1 | |
GREEN | 11 | |
MUSSELMAN | 28 | | SUBTERRANEAN | 1 | |
| BRADCO | 18 | |
GREENBRIAR | 1 | |
MUSTANG | 63 | | SUBURBAN | 21 | |
| BRADEX | 1 | |
GREENBRIER | 58 | |
MUSTEEN | 7 | | SUBURBAN PROPANE | 5 | |
| BRADFORD | 5 | |
GREENHILL | 5 | |
MUTEX | 1 | | SUE ANN | 83 | |
| BRADLEY | 1 | |
GREENWOOD | 2 | |
MUTUAL OIL | 6 | | SUEMAUR | 154 | |
| BRADSHAW | 1 | |
GREER | 8 | |
MYER | 1 | | SUGARBERRY | 3 | |
| BRADSTREET | 1 | |
GREGG | 50 | |
MYERS | 5 | | SUGNA | 2 | |
| BRADY | 4 | |
GRELLING | 16 | |
N E G | 5 | | SUHA | 1 | |
| BRAHANEY | 2 | |
GRETA | 6 | |
N F C PETROLEUM | 1 | | SUL PETRO INTERNATIONAL | 6 | |
| BRAHMAN | 8 | |
GREY WOLF | 6 | |
N F OIL | 1 | | SULLIVAN | 67 | |
| BRALORNE | 1 | |
GRIFFIN | 5 | |
N M-YATES | 1 | | SULO | 6 | |
| BRAMAN | 64 | |
GRIFFITH | 6 | |
N P ENERGY TEXAS | 12 | | SULTEX | 5 | |
| BRAMMER | 13 | |
GRIMES | 13 | |
N P U UNION PRODUCING | 1 | | SUMIK | 2 | |
| BRANDON | 8 | |
GRIMM | 6 | |
N R G | 6 | | SUMMITT | 1 | |
| BRANHAM | 15 | |
GRISHAM | 1 | |
N R M | 3 | | SUN | 3278 | |
| BRANN | 1 | |
GRISINGER | 1 | |
N R M C | 1 | | SUNBEAM | 1 | |
| BRANNON | 2 | |
GROFF | 1 | |
N S T | 1 | | SUNBURST | 1 | |
| BRANSON | 1 | |
GROUP | 8 | |
NAFCO | 1 | | SUNCO | 1 | |
| BRASADA | 1 | |
GROVER | 1 | |
NAILS CREEK | 1 | | SUNCOAST | 2 | |
| BRASFIELD | 1 | |
GROVER-MCKINNEY | 1 | |
NANJO | 1 | | SUNDANCE | 20 | |
| BRAUER | 6 | |
GRUBB | 48 | |
NAPECO | 9 | | SUNDOWN | 4 | |
| BRAUN | 21 | |
GRUBBS | 1 | |
NARECO | 1 | | SUNGLAZE | 5 | |
| BRAVADO | 1 | |
GRUBSTAKE | 1 | |
NARMCO | 1 | | SUNNYFIELD | 7 | |
| BRAYTON | 59 | |
GRUSS | 2 | |
NASA | 1 | | SUNOCO | 1 | |
| BRAZELL | 5 | |
GRUY | 18 | |
NASH | 2 | | SUNRAY | 690 | |
| BRAZOS | 212 | |
GUADALUPE | 21 | |
NATIONAL ASSOCIATED | 5 | | SUNROC | 2 | |
| BRAZOS OIL & GAS | 19 | |
GUARANTY | 3 | |
NATIONAL BULK | 2 | | SUNSET | 12 | |
| BREGMAN | 2 | |
GUARDIAN | 25 | |
NATIONAL DRILLING | 3 | | SUNSHINE | 3 | |
| BREHM INVESTMENT | 1 | |
GUENTHER | 2 | |
NATIONAL ENERGY | 4 | | SUPER OIL | 2 | |
| BRELSFORD | 2 | |
GUERNSEY | 16 | |
NATIONAL EXPLORATION | 41 | | SUPERIOR | 591 | |
| BRENAN | 4 | |
GUEST | 4 | |
NATIONAL GULF | 1 | | SUPREME | 1 | |
| BRENNAN | 2 | |
GUFFEY | 3 | |
NATIONAL OIL | 29 | | SUPRON | 3 | |
| BRENT | 2 | |
GUIBERSON | 2 | |
NATIONAL ONSHORE | 6 | | SUTHERLAND | 1 | |
| BREUER | 34 | |
GUILBAULT | 1 | |
NATIONAL OPERATING | 1 | | SUTTLE | 1 | |
| BREWER | 5 | |
GUINN | 1 | |
NATIONAL PETROLEUM | 5 | | SUTTON | 496 | |
| BREWSTER | 31 | |
GULF AMERICAN | 15 | |
NATIONAL PIPE & SUPPLY | 1 | | SWEARINGEN | 3 | |
| BRIAN | 1 | |
GULF BOARD OIL | 24 | |
NATIONAL RESOURCES | 3 | | SWIFT | 159 | |
| BRIDEWELL | 35 | |
GULF CANADA | 4 | |
NATOMAS | 8 | | SWIGER | 7 | |
| BRIDGE | 49 | |
GULF COAST | 137 | |
NATURA ENERGY | 2 | | SWINGLINE | 1 | |
| BRIDGER | 7 | |
GULF ENERGY | 92 | |
NATURAL ENERGY | 7 | | SWOPE | 16 | |
| BRIDWELL | 459 | |
GULF INTERSTATE | 11 | |
NATURAL GAS | 9 | | SYDSON | 7 | |
| BRIGGS | 1 | |
GULF LAKES | 1 | |
NATURAL RESERVES | 4 | | SYNERGY | 2 | |
| BRIGHAM | 39 | |
GULF MINERALS | 34 | |
NATURAL RESOURCES | 11 | | SYNURA | 4 | |
| BRIGHT | 202 | |
GULF OIL | 697 | |
NAUTILUS | 3 | | T & T | 7 | |
| BRILL | 10 | |
GULF PLAINS | 29 | |
NAVARRO | 70 | | T CATTLE CO. | 13 | |
| BRINKERHOFF | 7 | |
GULF PROD. | 6 | |
NAVCO | 1 | | T D C | 54 | |
| BRINKOETER | 3 | |
GULF RESOURCES | 3 | |
NAVIDAD | 4 | | T D EXPLORATION | 6 | |
| BRISCOE | 22 | |
GULF SANDS | 125 | |
NAVILLUS | 2 | | T D OPERATING | 5 | |
| BRISTOL | 2 | |
GULF SOUTH | 12 | |
NAYLOR | 13 | | T G & G | 1 | |
| BRISTON | 1 | |
GULF STATES | 51 | |
NEAL | 9 | | T G M | 2 | |
| BRISTOW | 15 | |
GULF STREAM | 12 | |
NEARBURG | 5 | | T G S | 1 | |
| BRITANCO | 1 | |
GULF TIDE | 1 | |
NEATHERY | 29 | | T G X | 2 | |
| BRITISH AMERICAN | 62 | |
GULFCO | 1 | |
NECHES | 4 | | T I C A | 1 | |
| BRITISH TEXAN | 8 | |
GULFPORT | 2 | |
NEES | 1 | | T I P C O | 19 | |
| BRITTANY | 1 | |
GULFSHORE | 18 | |
NEIBERT | 2 | | T J C | 1 | |
| BROADHEAD | 1 | |
GULFSIDE | 1 | |
NEILL | 2 | | T K A | 13 | |
| BROADUS | 6 | |
GULFSTAR | 16 | |
NEILSON | 9 | | T N DEVELOPMENT | 1 | |
| BROADWAY | 1 | |
GULFSTREAM | 25 | |
NELMS | 2 | | T N T | 1 | |
| BROCATO | 9 | |
GULFTON OIL | 1 | |
NELSON | 65 | | T O P S | 1 | |
| BROCK | 34 | |
GUM HOLLOW | 1 | |
NEOSHO | 2 | | T R | 1 | |
| BROGAN | 2 | |
GUTHRIE | 3 | |
NESRAL | 1 | | T W OIL | 3 | |
| BRONCO | 2 | |
GUTIERREZ | 11 | |
NESSLY | 5 | | T X L | 2 | |
| BROOKLYN | 9 | |
GYPSY | 1 | |
NETH | 1 | | T X O PRODUCTION | 441 | |
| BROOKS | 5 | |
H & H | 3 | |
NETHERLAND | 1 | | T X P | 2 | |
| BROONER | 25 | |
H & H DEVELOPMENT | 1 | |
NETTLECOMBE | 1 | | T-C OIL | 44 | |
| BROSECO | 13 | |
H & H DRILLING | 2 | |
NEUHAUS | 80 | | TABER | 1 | |
| BROWN | 347 | |
H & J DRILLING | 228 | |
NEUMANN | 1 | | TAFT | 3 | |
| BROWNING | 7 | |
H & M | 3 | |
NEUMIN | 134 | | TAGGART | 53 | |
| BRUMMETT | 7 | |
H & N | 1 | |
NEW | 1 | | TAL VEZ | 1 | |
| BRUNER | 56 | |
H & R | 1 | |
NEW CENTURY | 11 | | TALBERT | 1 | |
| BRUNO | 3 | |
H & S | 9 | |
NEW HORIZON | 1 | | TALBOTT | 7 | |
| BRUNS | 39 | |
H & W | 7 | |
NEW HORIZONS | 1 | | TALCO | 1 | |
| BRYAN | 15 | |
H A J J | 7 | |
NEW SEVEN FALLS | 5 | | TALLEY | 2 | |
| BRYANT | 40 | |
H C M | 2 | |
NEW ULM | 4 | | TALON | 36 | |
| BUCHANAN | 39 | |
H C W | 2 | |
NEW-TEX | 2 | | TAMAR | 5 | |
| BUCK | 24 | |
H D & H | 4 | |
NEWFIELD EXPLORATION | 68 | | TAMARACK | 102 | |
| BUCKALOO | 9 | |
H D C | 1 | |
NEWHALL | 2 | | TAMPA COVE | 5 | |
| BUCKINGHAM | 13 | |
H E & D | 1 | |
NEWITT | 17 | | TAMPICO | 2 | |
| BUCKLEY | 7 | |
H E A | 1 | |
NEWMAN | 185 | | TANA | 515 | |
| BUDA | 2 | |
H E C I | 13 | |
NEWMONT | 3 | | TARINA | 45 | |
| BUELL | 2 | |
H G I | 3 | |
NEWPORT | 4 | | TARPON | 25 | |
| BUESCHER | 3 | |
H L B | 1 | |
NEWTON | 55 | | TARTAN | 67 | |
| BUETTNER | 1 | |
H M C | 1 | |
NICCO | 2 | | TARVER | 6 | |
| BUFFALO | 15 | |
H M S | 5 | |
NICHOLLS | 1 | | TASCA | 16 | |
| BUNN | 12 | |
H N G | 177 | |
NICHOLS | 7 | | TASCOCITA | 1 | |
| BUNTE | 10 | |
H O R | 1 | |
NICHOLSON | 2 | | TAUBERT | 11 | |
| BUNTIN | 1 | |
H P R | 1 | |
NICKEL | 1 | | TAYLOR | 448 | |
| BUR-KAN | 1 | |
H R B OIL | 2 | |
NICKLOS | 7 | | TEAGLE | 3 | |
| BURCH | 21 | |
H R H | 2 | |
NIELSEN | 4 | | TEAL | 29 | |
| BURDEN | 1 | |
H S RESOURCES | 4 | |
NIMROD | 1 | | TEAMCO | 2 | |
| BURDETTE | 1 | |
H T H | 1 | |
NIX | 1 | | TEAS | 3 | |
| BURDITT | 2 | |
H V DRILLING | 1 | |
NIXON | 12 | | TECH RESOURCES | 5 | |
| BURFORD | 2 | |
H-M OIL | 152 | |
NOACK | 1 | | TECH-BRISCOE | 1 | |
| BURK ROYALTY | 59 | |
HAAS | 203 | |
NOAKE | 1 | | TECO | 3 | |
| BURKART | 1 | |
HABER | 23 | |
NOBB | 2 | | TECTONIC | 3 | |
| BURKE | 21 | |
HABERLE | 2 | |
NOBLE | 36 | | TEDFORD | 2 | |
| BURKHARDT | 1 | |
HADA | 79 | |
NOBLESON | 9 | | TEE | 5 | |
| BURKHART | 6 | |
HADEN | 2 | |
NOLA OIL & GAS | 1 | | TEETS & HARRIS | 1 | |
| BURLESON | 8 | |
HAGAN | 5 | |
NOLEN | 8 | | TEJANO | 2 | |
| BURLINGTON | 4 | |
HAGEN | 33 | |
NOMECO | 4 | | TEJAS | 35 | |
| BURNAM | 1 | |
HAGEN-GREENBRIAR | 1 | |
NOR-AM | 4 | | TEJONES | 1 | |
| BURNELL | 7 | |
HAGENS | 11 | |
NOR-MAC-BURNS | 1 | | TEKOIL | 1 | |
| BURNETT | 53 | |
HAGGARD | 1 | |
NORANDA | 4 | | TELSTAR | 1 | |
| BURNS | 216 | |
HAGGARTY | 1 | |
NORBLA | 1 | | TEMA | 3 | |
| BURR | 9 | |
HAIL | 5 | |
NORCEN | 1 | | TEMPLE | 4 | |
| BURROW | 3 | |
HAILEY | 14 | |
NORCOFF | 1 | | TEMPLETON | 24 | |
| BURSON | 2 | |
HAJECATE | 3 | |
NORCROSS | 1 | | TEMPLIN JL | 1 | |
| BURTON | 24 | |
HALAMICEK | 6 | |
NORDAN | 21 | | TENEX | 2 | |
| BUSBY | 4 | |
HALBOUTY | 139 | |
NORDIC | 2 | | TENEXCO | 2 | |
| BUSCHMAN | 2 | |
HALL | 4 | |
NOREMAC | 6 | | TENISON | 1 | |
| BUSMORE | 14 | |
HALL-HOUSTON | 9 | |
NORINO | 1 | | TENNECO | 481 | |
| BUTCHER | 34 | |
HALLIBURTON | 5 | |
NORMANDIE | 5 | | TENNESSEE GAS | 98 | |
| BUTLER | 74 | |
HALLMARK | 5 | |
NORMANDY | 14 | | TENNESSEE PRODUCTION | 27 | |
| BUTT | 8 | |
HALLS CREEK | 1 | |
NORRIS | 19 | | TENROC | 5 | |
| BUTTERCUP | 1 | |
HALLWOOD | 5 | |
NORSWORTHY | 14 | | TENS-WOOD | 7 | |
| BUTTES | 37 | |
HAMBLEN | 1 | |
NORTEX | 21 | | TEPCO | 106 | |
| BUTTRAM | 2 | |
HAMBY | 2 | |
NORTH | 2 | | TEPEE | 10 | |
| BUZZINI | 14 | |
HAMCO | 3 | |
NORTH AMERICAN | 107 | | TERMINAL | 1 | |
| BYARS | 8 | |
HAMILL | 211 | |
NORTH CENTRAL | 168 | | TERMO | 6 | |
| BYER | 1 | |
HAMILTON | 85 | |
NORTH PETTUS | 14 | | TERNE | 3 | |
| BYRD | 11 | |
HAMM | 6 | |
NORTH ROSS OIL | 1 | | TERRA | 82 | |
| C & E | 141 | |
HAMMAN | 133 | |
NORTH SHORE | 3 | | TERRY | 7 | |
| C & J | 1 | |
HAMMAX | 1 | |
NORTH STAR | 13 | | TESORO | 130 | |
| C & K | 45 | |
HAMMER | 2 | |
NORTH TEXAS | 5 | | TESSIN | 2 | |
| C & M | 1 | |
HAMMONDS | 20 | |
NORTHERN MICHIGAN | 6 | | TETBO | 2 | |
| C & R | 1 | |
HAMON | 322 | |
NORTHERN NATURAL | 10 | | TETEN | 3 | |
| C A G | 7 | |
HAMPTOM | 2 | |
NORTHERN ORDINANCE | 9 | | TETRA-M | 2 | |
| C B & S | 43 | |
HANCOCK | 8 | |
NORTHERN PUMP | 115 | | TEX-CAN | 12 | |
| C B ENERGY | 2 | |
HANCORP | 1 | |
NORTHSTAR | 1 | | TEX-CON | 7 | |
| C B GATHERING | 4 | |
HAND | 2 | |
NORTHWEST ARKANSAS | 1 | | TEX-FEL | 1 | |
| C C LEASEHOLD | 1 | |
HANEY | 1 | |
NORTHWEST OIL | 3 | | TEX-HEX | 1 | |
| C C M G | 1 | |
HANKAMER | 65 | |
NORTON | 55 | | TEX-KEN | 2 | |
| C C OPERATING | 2 | |
HANKEY | 4 | |
NOUVELLE | 1 | | TEX-LA | 2 | |
| C D CONSULTING | 2 | |
HANNA | 1 | |
NOVA ENERGY | 2 | | TEX-LAND | 1 | |
| C D E | 3 | |
HANNAH | 2 | |
NOYES | 1 | | TEX-LEE | 2 | |
| C D RESOURCES | 11 | |
HANOVER | 14 | |
NU-ENAMEL | 1 | | TEX-O | 3 | |
| C E T | 3 | |
HANSLIP | 5 | |
NU-SAN | 5 | | TEX-O-CAL | 1 | |
| C G V | 4 | |
HANSON | 377 | |
NUCORP | 49 | | TEX-O-WELL | 1 | |
| C H & M | 2 | |
HANTHO-NELSON | 1 | |
NUECES COMPANY | 11 | | TEX-OIL | 3 | |
| C H F | 1 | |
HANTON | 1 | |
NUECES MINERALS | 4 | | TEX-PENN | 20 | |
| C J D | 2 | |
HARBERT | 1 | |
NUECES OIL | 13 | | TEX-STAR | 75 | |
| C L F | 1 | |
HARBOR | 1 | |
NUECES RESERVES | 2 | | TEXACAN | 3 | |
| C M & M | 1 | |
HARDIE | 1 | |
NUECES ROYALTY | 7 | | TEXACO | 1257 | |
| C M & W | 1 | |
HARDIN | 10 | |
NUECO | 1 | | TEXAKOMA | 9 | |
| C M C | 5 | |
HARDING | 18 | |
NUEVE | 13 | | TEXAKOTA | 8 | |
| C M OIL | 2 | |
HARDWICK | 27 | |
NUGENT | 4 | | TEXAM | 32 | |
| C M S | 1 | |
HARDWICKE | 10 | |
NUGGET | 46 | | TEXANA | 15 | |
| C N | 1 | |
HARDY | 1 | |
NULL | 86 | | TEXARK | 8 | |
| C N G | 15 | |
HARGEST | 3 | |
NUTECH | 1 | | TEXAS AMERICAN | 36 | |
| C N R | 4 | |
HARGIS | 9 | |
NUTEX | 3 | | TEXAS ASPHALT & REFINING | 1 | |
| C P C | 73 | |
HARGRAVE | 26 | |
O H B | 8 | | TEXAS ATLAS | 10 | |
| C P C DALE OPERATING | 2 | |
HARGROVE | 4 | |
O K WELL SERVICE | 2 | | TEXAS BISON | 1 | |
| C P X | 22 | |
HARING | 129 | |
O S R | 1 | | TEXAS BRITISH | 1 | |
| C R A | 5 | |
HARKEN | 7 | |
O'BRYNE | 3 | | TEXAS CANADIAN | 1 | |
| C R B | 17 | |
HARKINS | 588 | |
O'CONNOR | 4 | | TEXAS CITY | 39 | |
| C R L | 1 | |
HARLEY | 3 | |
O'DONNELL | 1 | | TEXAS COAST | 3 | |
| C R M | 2 | |
HARMON | 1 | |
O'HERN | 10 | | TEXAS COASTAL | 10 | |
| C S A | 9 | |
HARMONY | 5 | |
O'HORNETT | 4 | | TEXAS COMPANY | 1607 | |
| C S X | 2 | |
HARPER | 44 | |
O'LEARY | 2 | | TEXAS CONSERVATIVE | 42 | |
| C T R | 2 | |
HARPER HEFTE | 36 | |
O'MEARA | 1 | | TEXAS CONSOLIDATED | 3 | |
| C X Y ENERGY | 3 | |
HARPER, SAM H. | 1 | |
O'MELVENY | 26 | | TEXAS CRUDE | 47 | |
| C-AIR | 2 | |
HARPER-SMITH | 28 | |
O'NEAL | 4 | | TEXAS CRUSADERS | 5 | |
| C-K RESOURCES | 7 | |
HARRELL | 50 | |
O'NEAL-CHANCELLOR | 1 | | TEXAS DRILLERS | 2 | |
| C-TECHNOLOGY | 2 | |
HARRELL & SOUTHWORTH | 14 | |
O'NEIL | 2 | | TEXAS DRILLING | 4 | |
| CABEZA | 1 | |
HARRINGTON | 2 | |
O'SULLIVAN | 10 | | TEXAS EASTERN | 120 | |
| CABILDO | 2 | |
HARRIS | 15 | |
O'TOOL | 1 | | TEXAS ENDEAVOR | 1 | |
| CABLE | 1 | |
HARRIS-FUNK | 1 | |
O.I.L. ENERGY | 5 | | TEXAS ENERGY | 41 | |
| CABOT | 71 | |
HARRISON | 195 | |
OAKLAND | 1 | | TEXAS FUEL | 18 | |
| CABRE | 1 | |
HARRISON, DAN J., JR. | 6 | |
OAKVILLE | 2 | | TEXAS GAS | 65 | |
| CACHARA | 4 | |
HARROB | 1 | |
OAKWOOD | 1 | | TEXAS GENERAL | 23 | |
| CACTUS | 4 | |
HARROUN | 2 | |
OASIS PETROLEUM | 1 | | TEXAS GULF | 141 | |
| CADDO | 98 | |
HARRUS | 6 | |
OATMAN | 32 | | TEXAS GULF SULPHUR | 4 | |
| CAESAR | 2 | |
HART | 13 | |
OCCIDENTAL | 68 | | TEXAS HYDROCARBONS | 1 | |
| CAFRE | 3 | |
HARTEX | 1 | |
OCEAN ENERGY | 4 | | TEXAS INDEPENDENT | 49 | |
| CAGE | 8 | |
HARTMAN | 1 | |
OCEAN PRODUCTION | 1 | | TEXAS INTERNATIONAL | 33 | |
| CAIN | 26 | |
HARVARD | 1 | |
OCEAN TRACE | 9 | | TEXAS INTERSTATE | 5 | |
| CAL MON | 1 | |
HARVEY | 41 | |
OCEANIC | 4 | | TEXAS L | 1 | |
| CAL-TEX | 1 | |
HARWOOD | 46 | |
OCOTILLO | 1 | | TEXAS LAND | 8 | |
| CALADONIA | 1 | |
HASBRO | 1 | |
ODOM | 1 | | TEXAS LAND & TRADING | 2 | |
| CALAME | 1 | |
HASCHKE | 4 | |
ODYSSEY | 2 | | TEXAS LEASE | 1 | |
| CALATEXIA | 1 | |
HASEMAN | 1 | |
OEMCO | 1 | | TEXAS LIBERTY | 6 | |
| CALAWAY | 16 | |
HASSELMAN | 1 | |
OERTLI | 3 | | TEXAS MERIDIAN | 13 | |
| CALCO | 2 | |
HAUSER | 14 | |
OGDEN | 10 | | TEXAS MID-WESTERN | 1 | |
| CALDWELL | 7 | |
HAVENS | 1 | |
OHIO | 97 | | TEXAS NATIONAL | 3 | |
| CALHOUN | 2 | |
HAWK | 1 | |
OIL & GAS | 92 | | TEXAS NORTHEAST | 21 | |
| CALIBOGUE | 2 | |
HAWKEYE | 2 | |
OIL & GAS PROPERTY MANAGEMENT | 7 | | TEXAS OIL & GAS | 1376 | |
| CALIBRI | 1 | |
HAWKINS | 111 | |
OIL & GAS RESERVES | 2 | | TEXAS OIL ASSOCIATES | 1 | |
| CALIFORNIA CO. | 12 | |
HAWLEY | 75 | |
OIL CORPORATION | 24 | | TEXAS OIL PRODUCING | 1 | |
| CALIFORNIA TIME | 1 | |
HAWN | 308 | |
OIL COUNTRY | 4 | | TEXAS ONSHORE | 1 | |
| CALIFORNIA TIMES | 3 | |
HAWORTH | 2 | |
OIL DEVELOPMENT | 1 | | TEXAS OPEC | 2 | |
| CALIX | 1 | |
HAWTHORN | 6 | |
OIL DRILLING | 29 | | TEXAS PACIFIC | 11 | |
| CALLAHAN | 2 | |
HAWTHORNE | 6 | |
OIL FIELD | 11 | | TEXAS PETROLEUM | 6 | |
| CALLAWAY | 17 | |
HAYDEN | 11 | |
OIL FINDER | 1 | | TEXAS PRODUCERS | 5 | |
| CALLENDER | 2 | |
HAYES | 10 | |
OIL LEASE OPERATING | 7 | | TEXAS PROGRESS | 1 | |
| CALLERY | 38 | |
HAYNES | 83 | |
OIL OPERATIONS | 2 | | TEXAS R O I | 1 | |
| CALLON | 5 | |
HAYNESWORTH | 1 | |
OIL PETROLEUM | 1 | | TEXAS RANGER | 1 | |
| CALOHAN | 11 | |
HAYPEC | 7 | |
OIL PRODUCERS | 3 | | TEXAS REFINING | 1 | |
| CALPINE | 1 | |
HAYS | 21 | |
OIL PRODUCTION MAINTENANCE | 5 | | TEXAS REPUBLIC | 4 | |
| CALVERT | 78 | |
HAZEL | 2 | |
OIL PROPERTIES MANAGEMENT | 24 | | TEXAS ROYALTY | 1 | |
| CAM CORP. | 15 | |
HAZELETT | 2 | |
OIL PROPERTY MANAGEMENT | 3 | | TEXAS SEABOARD | 25 | |
| CAMBRIAN | 1 | |
HAZLITT | 1 | |
OIL RESERVES | 24 | | TEXAS SOUTHERN | 17 | |
| CAMBRIDGE | 50 | |
HEAD | 6 | |
OILTEX | 10 | | TEXAS STANDARD | 2 | |
| CAMDEN | 25 | |
HEAD & WELSH | 34 | |
OKALA | 2 | | TEXAS STATE | 24 | |
| CAMERINA | 3 | |
HEADINGTON | 50 | |
OKLAHOMA | 5 | | TEXAS TAR SANDS | 8 | |
| CAMERON | 93 | |
HEADWATERS | 2 | |
OLD MESQUITE | 1 | | TEXAS TIDELANDS | 4 | |
| CAMINO | 11 | |
HEARD | 26 | |
OLEUM | 2 | | TEXAS TRI-STAR | 1 | |
| CAMP | 114 | |
HEARTLAND | 3 | |
OLIVER | 2 | | TEXAS UTAH | 1 | |
| CAMPANA | 4 | |
HEBERT | 5 | |
OLSEN | 18 | | TEXAS WESTERN ENERGY | 4 | |
| CAMPARIA | 1 | |
HECAR | 1 | |
OLSON | 71 | | TEXAS-PLATEAU | 1 | |
| CAMPBELL | 48 | |
HEDGE | 21 | |
OLYMPIA OIL & GAS | 1 | | TEXAS-WISCONSIN | 1 | |
| CAN-AM | 1 | |
HEDLEY | 11 | |
OLYMPIC | 2 | | TEXCO | 3 | |
| CANADIAN NORTHWEST | 1 | |
HEDRICK | 5 | |
OMEGA | 56 | | TEXEN RESOURCES | 2 | |
| CANALES | 28 | |
HEEMANN | 1 | |
OMEL | 1 | | TEXIMINN | 1 | |
| CANKIE | 1 | |
HEEP OIL | 165 | |
OMIMEX | 1 | | TEXIO | 1 | |
| CANNAN, MORRIS | 153 | |
HEID | 7 | |
OMNI | 9 | | TEXITA | 117 | |
| CANNAN-SUBSURFACE | 1 | |
HEINZE | 2 | |
ONALASKA | 1 | | TEXKAN | 172 | |
| CANNON | 11 | |
HELDENFELS | 14 | |
ONE HUNDRED AND ONE | 3 | | TEXLA | 2 | |
| CANNONBALL | 2 | |
HELIS | 3 | |
ONTEX | 2 | | TEXLAN | 22 | |
| CANTRELL | 1 | |
HELLAND | 37 | |
OPAL | 1 | | TEXLAND | 3 | |
| CANTRO | 9 | |
HELMERICH | 6 | |
OPCO | 1 | | TEXLARK | 31 | |
| CANUS | 170 | |
HELVETIA | 2 | |
ORANGE GROVE | 14 | | TEXMO | 6 | |
| CANUSA | 4 | |
HEMINGWAY | 10 | |
ORBISON | 1 | | TEXO | 2 | |
| CAPE | 1 | |
HEMPHILL | 1 | |
ORBIT | 8 | | TEXOIL | 2 | |
| CAPITAN | 1 | |
HENDERSON | 25 | |
ORDOVICIAN | 1 | | TEXOKAN | 4 | |
| CAPITOL | 49 | |
HENDRICKSON | 2 | |
ORION | 77 | | TEXOMA | 15 | |
| CAPITOL RESOURCES | 3 | |
HENNA | 1 | |
ORLA | 3 | | TEXON | 119 | |
| CAPPS | 2 | |
HENNIG | 1 | |
ORLEE | 19 | | TEXPRO | 1 | |
| CAPRICORN | 1 | |
HENNINGER | 1 | |
ORMCO | 1 | | TEXSOTA | 1 | |
| CAPRINA | 5 | |
HENRY | 30 | |
ORMSBY | 9 | | TEXSOUTH | 1 | |
| CAR-LOID | 1 | |
HENSCH | 2 | |
ORO NEGRO | 1 | | TEXSTAR | 41 | |
| CARAWAY | 5 | |
HENSHAW | 144 | |
ORR | 3 | | TEXSUN | 1 | |
| CARBIDE | 2 | |
HENSON | 5 | |
ORYX ENERGY | 60 | | TEXTROLEUM | 2 | |
| CARBONIT | 1 | |
HERCULES | 8 | |
OSAGE | 1 | | TEXTRON | 1 | |
| CARDEN | 1 | |
HERD | 2 | |
OSBORN | 119 | | THACKER | 3 | |
| CARDOIL | 1 | |
HERITAGE | 14 | |
OSBORNE | 22 | | THACKER-ELLINGHAUSEN | 1 | |
| CAREY | 13 | |
HERLION | 7 | |
OSMOND | 10 | | THE LONG TRUSTS | 3 | |
| CARIBBEAN | 21 | |
HERNDEN | 3 | |
OSO | 5 | | THELJOHN | 22 | |
| CARIBOU | 4 | |
HERNDON | 16 | |
OSYKA | 6 | | THOMAR | 4 | |
| CARL | 64 | |
HERRING | 28 | |
OTEX | 4 | | THOMAS | 119 | |
| CARLANDA | 10 | |
HERRINGTON | 8 | |
OTT | 1 | | THOMPSON | 153 | |
| CARLEE | 2 | |
HERSCHAP | 7 | |
OUTLINE | 112 | | THOMSON | 3 | |
| CARLESS | 3 | |
HERSCHBERGER | 1 | |
OVERLAND | 3 | | THORMAN | 1 | |
| CARLON | 12 | |
HERTON | 1 | |
OVERLY | 13 | | THORNE | 18 | |
| CARLOS | 4 | |
HERZSTEIN | 1 | |
OVERSEA OIL | 2 | | THORNTON | 1 | |
| CARLSON | 16 | |
HESTER | 9 | |
OVERSEAS | 6 | | THORP | 22 | |
| CARLTON | 2 | |
HETCO | 6 | |
OVERTON | 5 | | THREE & ONE | 18 | |
| CARNES | 17 | |
HEWIT & DOUGHERTY | 276 | |
OWEN | 108 | | THREE ARROW | 1 | |
| CAROLINA | 2 | |
HEWITT | 49 | |
OWENS | 2 | | THREE TEC | 1 | |
| CAROLINA-TEXAS | 2 | |
HEYNE | 1 | |
OWL | 44 | | THREE-B | 1 | |
| CARPENTER | 3 | |
HEYSER | 9 | |
OWL CREEK | 2 | | THREE-M | 2 | |
| CARR | 226 | |
HIAWATHA | 230 | |
OWNBY | 7 | | THREE-T | 1 | |
| CARRIE | 1 | |
HIAWATHA(HOLLIDAY) | 2 | |
OXOCO | 9 | | THROOP | 21 | |
| CARRILLO | 1 | |
HIBBERT | 18 | |
OXY | 19 | | THUNDER OIL & GAS | 3 | |
| CARRIZO | 18 | |
HICKEY | 1 | |
OXY U S A INC | 1 | | THUNDERBIRD | 4 | |
| CARRL | 222 | |
HICKOK | 30 | |
OZ ENTERPRISES | 1 | | THURMOND & LIPSCOMB | 1 | |
| CARROLL | 1 | |
HICKS | 10 | |
OZARK | 11 | | TIBE | 3 | |
| CARTER | 314 | |
HIDALGO | 3 | |
P & H | 7 | | TICE | 5 | |
| CARTHAY | 22 | |
HIDALGO-WILLACY | 3 | |
P & T | 1 | | TIDAL | 38 | |
| CARTWRIGHT | 5 | |
HIGGINS | 3 | |
P A M | 2 | | TIDE WEST OIL | 5 | |
| CASA GRANDE | 2 | |
HIGH ISLAND | 6 | |
P B G | 1 | | TIDELANDS | 2 | |
| CASCADE | 3 | |
HIGH PLAINS | 1 | |
P B PRODUCTION | 1 | | TIDEMAN | 1 | |
| CASCO | 1 | |
HIGHLAND OIL | 76 | |
P C U OF TEXAS | 6 | | TIDEMARK | 3 | |
| CASE-POMEROY | 1 | |
HIGHLAND RESOURCES | 16 | |
P G & E | 11 | | TIDEWATER | 306 | |
| CASEY | 4 | |
HILBURN | 2 | |
P G O | 1 | | TIDEWAY | 7 | |
| CASH | 5 | |
HILCORP | 17 | |
P H EXPLORATION | 2 | | TIDY | 1 | |
| CASHCO | 17 | |
HILL | 227 | |
P L D | 8 | | TIERRA | 11 | |
| CASKEY | 10 | |
HILLCREST | 26 | |
P M | 1 | | TIGER | 62 | |
| CASKIDS | 7 | |
HILLIARD | 56 | |
P M I | 1 | | TIGHE | 2 | |
| CASTLE | 4 | |
HILLIER | 57 | |
P M O | 1 | | TIMBERLAND | 1 | |
| CASTLEMAN | 1 | |
HILLIN | 1 | |
P N S | 1 | | TIMBUCK | 2 | |
| CATAHOULA | 4 | |
HILLMAN | 2 | |
P O C | 1 | | TINKER | 1 | |
| CATARINA | 3 | |
HILLSMAN | 20 | |
P P G | 1 | | TIPPERARY | 174 | |
| CATER | 2 | |
HILLSMAN-GREENBURG | 1 | |
P R O | 1 | | TITAN | 4 | |
| CATLETT | 86 | |
HILTY | 18 | |
P S N | 36 | | TITANIC | 12 | |
| CATTLE LAND | 56 | |
HIME | 1 | |
P-R-O | 6 | | TM ENERGY | 1 | |
| CAUBLE | 11 | |
HINDS | 5 | |
P-T | 2 | | TOBIN | 40 | |
| CAVALIER | 1 | |
HINER | 3 | |
PABST | 1 | | TODD | 3 | |
| CAVALLA | 11 | |
HINES | 4 | |
PACE | 34 | | TOIYABE | 1 | |
| CAWTHON | 3 | |
HINKLE | 24 | |
PACE-ROLLER | 1 | | TOKLAN | 1 | |
| CAYMAN | 10 | |
HINSON | 15 | |
PACIFIC | 31 | | TOLBERT | 1 | |
| CAYUGA | 4 | |
HINTON | 16 | |
PADDOCK | 1 | | TOLTECH | 3 | |
| CE-BETH | 3 | |
HISTORICAL | 2 | |
PADON | 5 | | TOMCO | 20 | |
| CEDAR HILL | 1 | |
HIXON | 2 | |
PADRE | 5 | | TOMLINSON | 27 | |
| CELERON | 3 | |
HOBBY | 4 | |
PAGE | 7 | | TOMPKINS | 3 | |
| CELTIC | 1 | |
HOBLITTZELLE | 1 | |
PAGENKOPF | 21 | | TONDU | 1 | |
| CENERGY | 17 | |
HOBLITZELLE | 1 | |
PAINTER | 7 | | TONKAWA | 1 | |
| CENIZA | 32 | |
HOBSCO | 3 | |
PAISANO | 30 | | TOP | 2 | |
| CENTAUR | 3 | |
HODGE | 9 | |
PAKAWA | 2 | | TOPAT | 4 | |
| CENTENNIAL | 27 | |
HODGES | 1 | |
PAKKE | 1 | | TOPP | 4 | |
| CENTEX | 3 | |
HOFFER | 5 | |
PALADIN | 3 | | TOPS | 1 | |
| CENTRAL | 30 | |
HOFFMAN | 1 | |
PALADIN-HAYES | 1 | | TORCH | 4 | |
| CENTURA | 19 | |
HOFHEINZ | 1 | |
PALAFOX | 2 | | TORO DRILLING | 6 | |
| CENTURION | 1 | |
HOGAN | 5 | |
PALEO | 2 | | TORO EXPLORATION | 5 | |
| CENTURY | 56 | |
HOLBERT | 1 | |
PALM | 40 | | TORONADO | 1 | |
| CENZIA | 1 | |
HOLBROOK | 5 | |
PALMCO | 33 | | TORTILLA | 1 | |
| CERRO DE PASCO | 10 | |
HOLCOMB | 1 | |
PALMER | 47 | | TOTAL E&P USA | 9 | |
| CHALLENGE | 5 | |
HOLDEN | 22 | |
PALO BLANCO | 6 | | TOTAL EXPLORATION | 7 | |
| CHAMBERLAIN | 13 | |
HOLEMAN | 1 | |
PALOMA | 9 | | TOTAL LEONARD | 5 | |
| CHAMBERS | 24 | |
HOLIDAY RESOURCES | 13 | |
PAM | 1 | | TOTAL MINATOME | 1 | |
| CHAMBLISS | 1 | |
HOLLAND | 92 | |
PAMALE | 9 | | TOTAL PETROLEUM | 9 | |
| CHAMPION | 3 | |
HOLLIDAY | 7 | |
PAN AMERICAN | 866 | | TOTALFINAELF | 9 | |
| CHAMPLIN | 375 | |
HOLLIMON | 34 | |
PAN COASTAL | 5 | | TOTO | 1 | |
| CHANCE | 3 | |
HOLLIS | 2 | |
PAN EASTERN | 2 | | TOUCHSTONE | 5 | |
| CHANDLER | 2 | |
HOLLOWAY | 44 | |
PAN OIL | 1 | | TOURMALINE | 1 | |
| CHANOCO | 29 | |
HOLLUB | 26 | |
PANAL | 4 | | TOWER | 7 | |
| CHAPARRAL | 20 | |
HOLLY | 68 | |
PANEL | 1 | | TOWNER | 5 | |
| CHAPARROSA | 27 | |
HOLMES | 55 | |
PANGAEA | 3 | | TOWNSEND | 5 | |
| CHAPCO | 1 | |
HOLOTIK | 2 | |
PANHANDLE | 67 | | TRACE | 27 | |
| CHAPMAN | 138 | |
HOLT | 2 | |
PANO TECH | 8 | | TRADE | 1 | |
| CHARLTON | 10 | |
HOLTZCLAW | 1 | |
PANOCAL | 1 | | TRADERS OIL | 7 | |
| CHARO ENERGY | 4 | |
HOMA | 4 | |
PANTANO | 11 | | TRAFALGAR | 15 | |
| CHARRO | 7 | |
HOMABY | 7 | |
PANTERA | 1 | | TRAHAN | 13 | |
| CHARTER | 2 | |
HOME | 22 | |
PANTEX | 15 | | TRAILWAY | 2 | |
| CHASE | 8 | |
HONCHO | 8 | |
PANTHER | 22 | | TRAILWEST | 2 | |
| CHASS | 21 | |
HONDO | 2 | |
PANUCO | 2 | | TRAIN | 1 | |
| CHASTAIN | 1 | |
HONOLULU | 1 | |
PAPALOTE | 5 | | TRAKO | 1 | |
| CHAVANNE | 23 | |
HOOD | 2 | |
PAR | 2 | | TRANS WEST | 1 | |
| CHENOWETH | 1 | |
HOOKER | 2 | |
PARADA | 1 | | TRANS-CANADA | 11 | |
| CHEROKEE | 8 | |
HOOKS | 2 | |
PARAFFINE | 58 | | TRANS-DELTA | 9 | |
| CHEROSAGE | 22 | |
HOOPER | 4 | |
PARAGON | 24 | | TRANS-PECOS | 1 | |
| CHERRY | 7 | |
HOOVER | 39 | |
PARECO | 1 | | TRANS-STATE | 2 | |
| CHERRYVILLE | 31 | |
HOPE | 30 | |
PARFET | 7 | | TRANSAMERICAN | 161 | |
| CHESAPEAKE | 46 | |
HOPE HILL | 1 | |
PARK & PHILLIPS | 1 | | TRANSCO | 13 | |
| CHESNUTT | 5 | |
HOPE PRODUCTION | 1 | |
PARKER | 180 | | TRANSCONTINENTAL | 13 | |
| CHESSER | 1 | |
HOPEHILL | 7 | |
PARKER & PARSLEY | 26 | | TRANSFUEL | 1 | |
| CHESSHER | 1 | |
HOPF | 1 | |
PARR | 19 | | TRANSGLOBAL | 1 | |
| CHEVRON | 102 | |
HOPI | 3 | |
PARRISH | 1 | | TRANSIERRA | 3 | |
| CHEYENNE | 3 | |
HOPSON | 10 | |
PARTEE | 1 | | TRANSOCEAN | 20 | |
| CHICAGO | 349 | |
HORIZON | 4 | |
PARTEN | 3 | | TRANSQUEST | 7 | |
| CHIEF | 1 | |
HORMACHEA | 1 | |
PARVA | 1 | | TRANSTEXAS | 184 | |
| CHILDERS | 10 | |
HORN | 96 | |
PASCO | 4 | | TRANSWESTERN | 144 | |
| CHILDRESS | 1 | |
HORNADAY | 2 | |
PAT OIL | 1 | | TRANT | 6 | |
| CHILES | 76 | |
HORNBECK | 2 | |
PATEL | 1 | | TRAVIS | 14 | |
| CHILTIPIN | 3 | |
HORNBERGER | 5 | |
PATHFINDER | 1 | | TREDUN | 1 | |
| CHIODO | 2 | |
HORNE | 3 | |
PATILLO | 2 | | TREND | 14 | |
| CHIPPEWA | 1 | |
HORNER | 2 | |
PATLAND | 2 | | TREPEL | 2 | |
| CHIQUITA | 2 | |
HORNSBY | 1 | |
PATOIL | 2 | | TRI OIL & GAS | 2 | |
| CHISHOLM | 1 | |
HORRIGAN | 4 | |
PATRICIO | 22 | | TRI-C | 159 | |
| CHIZUM | 26 | |
HORSTING | 3 | |
PATRICK | 43 | | TRI-COUNTY | 2 | |
| CHOATE | 2 | |
HORTON | 2 | |
PATTERSON | 34 | | TRI-ESS | 3 | |
| CHOCTAW | 1 | |
HORVATH MILLS | 1 | |
PATTICO | 1 | | TRI-EX | 7 | |
| CHOICE | 11 | |
HOSKINS | 15 | |
PATTON | 10 | | TRI-MARK | 76 | |
| CHOYA DRILLING | 11 | |
HOTCHKIN | 19 | |
PAUL | 18 | | TRI-STAR PETROLEUM | 2 | |
| CHRISCO | 1 | |
HOU-TEX | 16 | |
PAULEY | 25 | | TRI-STATE | 10 | |
| CHRISTIAN | 3 | |
HOUCHINS | 1 | |
PAWLIK | 1 | | TRI-UNION | 2 | |
| CHRISTICO | 31 | |
HOUGEN | 1 | |
PAX | 1 | | TRIAD | 12 | |
| CHRISTIE | 116 | |
HOUGH | 7 | |
PAXSON | 2 | | TRICE | 32 | |
| CHRISTILIN | 2 | |
HOUSE | 1 | |
PAYNE | 16 | | TRICENTROL | 9 | |
| CHRISTINA | 1 | |
HOUSER | 27 | |
PEACH TREE | 4 | | TRIDENT | 32 | |
| CHRISTOPHER | 31 | |
HOUSH | 29 | |
PEACOCK | 3 | | TRIGG | 1 | |
| CHUMNEY | 1 | |
HOUSTON | 7 | |
PEARCE | 1 | | TRINITY | 89 | |
| CHURCH | 3 | |
HOUSTON DOMESTIC | 4 | |
PEARCO | 14 | | TRIO | 33 | |
| CICHOWSKI | 3 | |
HOUSTON DRILLING | 4 | |
PEARL | 114 | | TRIO-H | 1 | |
| CICO | 95 | |
HOUSTON ENERGY | 1 | |
PEARSON | 10 | | TRIPLE A | 4 | |
| CIMAREX | 1 | |
HOUSTON EXPLORATION | 37 | |
PEASE | 1 | | TRIPLE J | 1 | |
| CIMARRON | 34 | |
HOUSTON GULF | 53 | |
PECOS | 16 | | TRIPLE L | 240 | |
| CINCO | 9 | |
HOUSTON INDEPENDENT | 1 | |
PEDECO | 30 | | TRIPLE S | 16 | |
| CIRCLE | 20 | |
HOUSTON MINERAL | 10 | |
PEDERNAL | 1 | | TRISTAR EXPLORATION | 1 | |
| CIRCLE 7 OIL & GAS | 1 | |
HOUSTON NATURAL GAS | 101 | |
PEDIGO | 1 | | TRITON | 27 | |
| CIRCLE W | 6 | |
HOUSTON OIL | 409 | |
PEELER | 15 | | TRIUMPH | 2 | |
| CIRRUS | 2 | |
HOUSTON OIL & MINERALS | 127 | |
PEET | 68 | | TROPHY | 1 | |
| CITADEL | 2 | |
HOUSTON OIL FIELDS | 6 | |
PEGG | 8 | | TROPORO | 16 | |
| CITATION OIL & GAS | 12 | |
HOUSTON OIL WELL SERVICE | 7 | |
PEL-STAR | 1 | | TROTEX | 1 | |
| CITEX | 1 | |
HOUSTON OPERATING | 2 | |
PEL-TEX | 52 | | TROTTER | 13 | |
| CITIES PROD. | 1 | |
HOUSTON PETROLEUM | 24 | |
PELTO | 11 | | TROY | 1 | |
| CITIES SERVICE | 414 | |
HOUSTON ROYALTY | 33 | |
PEMA | 2 | | TRUBEY | 1 | |
| CITY PRODUCTS | 1 | |
HOWARD | 34 | |
PEMBERTON | 8 | | TRUCE | 1 | |
| CLA-BAR OIL | 5 | |
HOWELL | 691 | |
PEN | 1 | | TRUE | 4 | |
| CLAN | 1 | |
HOWETH | 154 | |
PEND OREILLE | 57 | | TRULL | 5 | |
| CLANTON | 3 | |
HOXSEY | 9 | |
PENDLEY | 2 | | TRUNKLINE | 13 | |
| CLARDY | 18 | |
HRBUTZ | 1 | |
PENEXCO | 1 | | TRUSSEL | 2 | |
| CLARK | 244 | |
HUB CITY | 1 | |
PENGO | 5 | | TRYBUS | 1 | |
| CLARKSON | 2 | |
HUBBARD | 4 | |
PENINSULA | 119 | | TSCHOEPE | 28 | |
| CLARKWOOD | 2 | |
HUBBLE | 10 | |
PENMAN | 1 | | TSESMELIS | 42 | |
| CLARY | 1 | |
HUBCO | 2 | |
PENN | 16 | | TSOCO | 10 | |
| CLAY | 7 | |
HUBER | 92 | |
PENN VIRGINA | 10 | | TUBULAR | 3 | |
| CLAYTON | 4 | |
HUBER, J.H. | 1 | |
PENN-OSAGE | 1 | | TUCKER | 38 | |
| CLEAR FORK | 2 | |
HUBER, J.M. | 8 | |
PENN-PALANGANA | 1 | | TULE LAKE | 1 | |
| CLEARY | 22 | |
HUDDLE | 10 | |
PENNELL | 1 | | TULTEX | 1 | |
| CLEGG | 14 | |
HUDGENS | 4 | |
PENNZENERGY | 5 | | TURBEVILLE | 2 | |
| CLEMCO | 17 | |
HUDGINS | 13 | |
PENNZOIL | 248 | | TURK | 4 | |
| CLEMENTS | 10 | |
HUDSON | 21 | |
PENROC | 6 | | TURNBULL | 29 | |
| CLEVA | 2 | |
HUENERS | 1 | |
PENROSE | 48 | | TURNER | 69 | |
| CLEVELAND | 8 | |
HUFF | 2 | |
PENTAD | 2 | | TUSCA | 2 | |
| CLEVENGER | 11 | |
HUFFCO | 21 | |
PENTER | 2 | | TUSKAR (TEXAS) | 1 | |
| CLIFFS DRILLING | 1 | |
HUFFINGTON | 21 | |
PENTON | 1 | | TUTHILL | 9 | |
| CLIMAX | 3 | |
HUFFMAN | 1 | |
PENWELL | 6 | | TWIN | 11 | |
| CLINE | 6 | |
HUGHES | 802 | |
PENZAC | 4 | | TWO | 2 | |
| CLINTON | 48 | |
HUGHEY | 6 | |
PEOPLES ENERGY | 19 | | TWO RIVERS | 1 | |
| CLOPTON | 16 | |
HUISACHE | 107 | |
PEP 75 LTD | 1 | | TX PETROLEUM | 38 | |
| CLOUD | 1 | |
HULSEY | 5 | |
PEREGRINE | 1 | | TYMER | 1 | |
| CLOVER | 75 | |
HULVER | 2 | |
PEREZ | 1 | | TYNAN | 2 | |
| CLUCK | 3 | |
HUMBLE | 5107 | |
PERKINS | 23 | | U M C | 1 | |
| CLYMORE | 20 | |
HUMPHERY | 7 | |
PERLMAN | 4 | | U N C TEXAS | 7 | |
| COALINGA | 1 | |
HUMPHRIES | 16 | |
PERRY | 11 | | U N INDUSTRIES | 1 | |
| COAST CO. | 16 | |
HUNDRED | 2 | |
PERRYMAN | 40 | | U S ENERCORP | 43 | |
| COASTAL BEND DRILLING | 1 | |
HUNE | 1 | |
PERSHING | 3 | | U S ENERGY | 5 | |
| COASTAL BEND OIL | 17 | |
HUNT | 469 | |
PESETAS | 1 | | U S ENHANCED | 1 | |
| COASTAL DRILLING & WORKOVER | 4 | |
HUNT HASSIE EXPL. | 1 | |
PET. SOUTHWESTERN | 1 | | U S EXPLORATION | 26 | |
| COASTAL ENGINEERING | 3 | |
HUNTER | 29 | |
PETCO | 2 | | U S GEOLOGICAL SURVEY | 1 | |
| COASTAL GULF | 1 | |
HUNTINGTON | 3 | |
PETEREK | 1 | | U S GOVERNMENT | 1 | |
| COASTAL OIL & GAS | 264 | |
HURBROUGH | 8 | |
PETERS | 3 | | U S HYDROCARBONS | 2 | |
| COASTAL OIL & LAND | 10 | |
HURD | 49 | |
PETKAS | 42 | | U S MINERAL | 5 | |
| COASTAL PLAINS | 1 | |
HURLBUT | 22 | |
PETREX | 8 | | U S OIL | 5 | |
| COASTAL PRODUCTION | 6 | |
HURLEY | 4 | |
PETRO GRANDE | 3 | | U S OPERATING | 23 | |
| COASTAL REFINERIES | 100 | |
HURT | 3 | |
PETRO JET | 1 | | U S RESOURCES | 1 | |
| COASTAL STATES | 517 | |
HUSKY | 23 | |
PETRO POOL | 1 | | U S U | 2 | |
| COASTAL TEX | 1 | |
HUTCHINS | 15 | |
PETRO RESOURCES | 1 | | U T X EXPL. | 4 | |
| COASTAL TREND | 66 | |
HUTSON | 1 | |
PETRO SEARCH | 1 | | ULCAK | 3 | |
| COASTAL WELL SERVICE | 1 | |
HYDEN | 3 | |
PETRO TEJAS | 1 | | ULTRA | 6 | |
| COASTLAND | 1 | |
HYDRO-CARBONS | 10 | |
PETRO VEST | 4 | | ULTRAMAR | 10 | |
| COASTLINE | 57 | |
HYDROCARBON EXPLORATION | 1 | |
PETRO-ATLAS | 1 | | UNDERWOOD | 2 | |
| COATES | 260 | |
HYDROCARBON GATHERING | 14 | |
PETRO-CHALK | 4 | | UNION CARBIDE | 5 | |
| COATS | 3 | |
HYDROCARBON HORIZONS | 9 | |
PETRO-ENGINEERING | 1 | | UNION DOMINION | 1 | |
| COBBS | 1 | |
HYDROCARBON MGMT. | 1 | |
PETRO-HUNT | 7 | | UNION EXPLORATION | 6 | |
| COBRA | 25 | |
HYDROCARBON OPERATING | 6 | |
PETRO-LEWIS | 55 | | UNION GAS | 42 | |
| COCHRAN | 40 | |
HYDROCARBON PROD | 2 | |
PETRO-MAX | 1 | | UNION OIL | 38 | |
| COCKBURN | 63 | |
HYDROCARBON PROD. | 17 | |
PETRO-POOL | 2 | | UNION OIL - CALIFORNIA | 168 | |
| COCKRELL | 108 | |
HYDROCARBON TRANSMISSION | 1 | |
PETRO-TEX | 8 | | UNION OIL - LOUISIANA | 6 | |
| CODY | 92 | |
HYLAND | 1 | |
PETROCAP | 10 | | UNION PACIFIC | 149 | |
| COE | 1 | |
HYNES | 15 | |
PETROCEL | 5 | | UNION PETRO | 2 | |
| COFFEE | 75 | |
HYQUEST | 63 | |
PETROFUNDS | 9 | | UNION PRODUCING | 488 | |
| COFFEY | 11 | |
HYSO | 1 | |
PETROGULF | 2 | | UNION PRODUCTION | 3 | |
| COFFIELD | 10 | |
HYTECH | 12 | |
PETROHAWK | 3 | | UNION SULPHUR | 39 | |
| COFFMAN | 25 | |
I M C | 4 | |
PETROL | 2 | | UNION TEXAS | 68 | |
| COGGINS | 1 | |
I M E F | 1 | |
PETROLERO | 64 | | UNIT | 19 | |
| COHEN | 5 | |
I O C | 8 | |
PETROLEUM ACREAGE | 1 | | UNITED ENERGY | 7 | |
| COHO | 5 | |
I O G | 2 | |
PETROLEUM CORPORATION | 35 | | UNITED GAS | 4 | |
| COKE | 1 | |
I P PETROLEUM | 9 | |
PETROLEUM DEVELOPMENT | 4 | | UNITED NORTH & SOUTH | 22 | |
| COKER | 1 | |
I T R | 2 | |
PETROLEUM DRILLING | 1 | | UNITED OIL | 119 | |
| COKINOS | 1 | |
IBERIA | 1 | |
PETROLEUM HIGH TECH | 1 | | UNITED PETROLEUM | 1 | |
| COLBY | 2 | |
ICARUS | 6 | |
PETROLEUM INCORPORATED | 26 | | UNITED PETROSEARCH | 1 | |
| COLE | 22 | |
IDAHO | 3 | |
PETROLEUM INVESTMENT | 1 | | UNITED PRODUCING | 97 | |
| COLEMAN | 2 | |
ILLINOIS PETROLEUM | 26 | |
PETROLEUM LEASEHOLDERS | 4 | | UNITED PRODUCTION | 34 | |
| COLETTO CREEK | 1 | |
IMPACT | 1 | |
PETROLEUM MANAGEMENT | 290 | | UNITED RESOURCES | 3 | |
| COLGIN | 1 | |
IMPERIAL | 15 | |
PETROLEUM OPERATING | 3 | | UNITED TEXAS | 2 | |
| COLINE OIL | 1 | |
INCA | 21 | |
PETROLEUM PIPE | 1 | | UNIVERSAL | 13 | |
| COLLIER | 17 | |
INCO | 1 | |
PETROLEUM PRODUCTION | 3 | | UPTON | 1 | |
| COLLINS | 38 | |
INDEPENDENCE | 2 | |
PETROLEUM PROPERTY MANAGEMENT | 1 | | URANIUM RESOURCES | 1 | |
| COLLOM | 1 | |
INDEPENDENT | 21 | |
PETROLEUM RESERVE | 2 | | URANIUM SULPHUR | 1 | |
| COLO | 1 | |
INDEXGEO | 38 | |
PETROLEUM RESOURCES | 2 | | URSA | 3 | |
| COLOBRI | 2 | |
INDIOLA | 2 | |
PETROLEUM UNLIMITED | 1 | | URSILLO | 1 | |
| COLOGNE | 28 | |
INDUSTRIAL | 16 | |
PETROLEUM VENTURES | 2 | | USSERY | 27 | |
| COLOMA | 51 | |
INEXCO OIL | 89 | |
PETROLIA | 11 | | UTAH | 4 | |
| COLONIAL | 2 | |
INGRAM | 1 | |
PETROLITHICS | 9 | | UTEX | 5 | |
| COLONNADE | 1 | |
INLAND | 31 | |
PETROMARK | 6 | | UTILITIES NATURAL | 1 | |
| COLORADO | 55 | |
INLAND OCEAN | 45 | |
PETROMAX | 1 | | UVALDE | 4 | |
| COLSON | 2 | |
INLAND PETROLEUM | 2 | |
PETRONET | 2 | | VAALCO | 1 | |
| COLT | 2 | |
INMAN | 1 | |
PETROPOOL | 6 | | VAHLSING | 2 | |
| COLTON | 30 | |
INTEGRAL | 99 | |
PETROPRO | 1 | | VALENCE | 1 | |
| COLUMBIA | 45 | |
INTER-ALLIED | 1 | |
PETROREAL | 1 | | VALERIUS | 5 | |
| COLUMBIAN | 3 | |
INTERCOASTAL | 28 | |
PETROREP | 2 | | VALERO | 3 | |
| COLUMBUS | 37 | |
INTERCONTINENTAL | 3 | |
PETROREY | 1 | | VALIANT | 1 | |
| COLVIN | 4 | |
INTERNATIONAL | 12 | |
PETROROCK | 3 | | VALIDUS | 1 | |
| COMANCHE | 16 | |
INTERNATIONAL NUCLEAR | 14 | |
PETROSIL | 6 | | VALLEY | 8 | |
| COMBINED AMERICA | 1 | |
INTERNATIONAL OIL & GAS | 14 | |
PETROTERRA | 2 | | VALLEY STEEL | 1 | |
| COMBINED PRODUCING | 1 | |
INTERNATIONAL WESTERN | 3 | |
PETROTEX | 22 | | VALOR | 2 | |
| COMBUSTION PRODUCTS | 7 | |
INTERSTATE MINERALS | 10 | |
PETROWARD | 3 | | VALTEX | 1 | |
| COMCO-CENTURION | 1 | |
INTEX | 6 | |
PETROWARRIOR | 6 | | VALWOOD | 1 | |
| COMETRA | 22 | |
INTRAMERICAN | 11 | |
PETRUS | 54 | | VAN DRESAR | 6 | |
| COMMERCE | 2 | |
INTREPID | 6 | |
PETTUS | 2 | | VAN DYKE | 5 | |
| COMMERCIAL | 53 | |
INVESTMENT VENTURES | 1 | |
PEXCO | 1 | | VAN NORMAN | 11 | |
| COMMONWEALTH | 14 | |
INVESTORS NATURAL GAS | 1 | |
PEYTON | 3 | | VAN WAY | 4 | |
| COMPASS | 2 | |
INVESTORS SYNDICATE OF SOUTHWEST | 8 | |
PHELPS | 2 | | VAN WORMER | 2 | |
| COMPLETE OIL | 4 | |
INVINCIBLE | 1 | |
PHIBRO | 1 | | VANDERBILT | 41 | |
| COMSTOCK | 11 | |
IOWA-PAYNE | 1 | |
PHIFER | 2 | | VANGUARD | 2 | |
| CON-TEX OIL | 1 | |
IRBY | 3 | |
PHIFFNER | 1 | | VANTAGE | 1 | |
| CONCHO | 11 | |
IRENE | 4 | |
PHILLEY | 2 | | VAQUERO | 16 | |
| CONCORD | 11 | |
IRISH OIL | 8 | |
PHILLIPS | 445 | | VARI | 1 | |
| CONDRY | 1 | |
IRVING | 7 | |
PHILLIPS PETROLEUM | 230 | | VARN | 238 | |
| CONE | 1 | |
IRWIN | 9 | |
PHILLIPS, A. O. | 6 | | VARNADORE | 3 | |
| CONES | 3 | |
ISBELL | 1 | |
PHILLIPS, RICHARD | 4 | | VASSEY | 11 | |
| CONFEDERATE | 10 | |
IVEY TERRY | 1 | |
PHOENIX | 9 | | VASSEY & McIVER | 1 | |
| CONLEY | 2 | |
IVY | 3 | |
PHYLKO | 57 | | VASTAR | 40 | |
| CONN | 1 | |
J & C | 59 | |
PI | 4 | | VAUGHAN | 9 | |
| CONNER | 2 | |
J & D | 2 | |
PICES | 1 | | VAUGHN | 55 | |
| CONOCO | 338 | |
J & E | 1 | |
PICHINSON | 35 | | VECTOR | 20 | |
| CONQUEST | 19 | |
J & J | 1 | |
PICKARD & KIRKPATRICK | 4 | | VEGA | 27 | |
| CONROE | 77 | |
J & M WELL SERVICE | 14 | |
PICKENS | 124 | | VEIGEL | 5 | |
| CONROY | 1 | |
J & W OIL | 1 | |
PICKERING | 1 | | VELCO | 2 | |
| CONSERVATIVE OIL | 15 | |
J A H | 72 | |
PICKETT | 28 | | VENDETTA | 1 | |
| CONSOLIDATED | 131 | |
J B H | 1 | |
PIERCE | 33 | | VENEX | 4 | |
| CONSTANTIN | 1 | |
J B OIL & GAS | 1 | |
PIERSON | 1 | | VENTANNA | 2 | |
| CONTINENTAL | 1308 | |
J F D | 3 | |
PIGGOTT | 2 | | VENTEX | 6 | |
| CONTINENTAL TREND RESOURCES | 9 | |
J H | 1 | |
PIKE | 1 | | VENTURA O & G | 1 | |
| CONTRACT ENERGY | 1 | |
J H I | 1 | |
PIN OAK | 1 | | VENTURE | 8 | |
| CONVEST | 76 | |
J I L | 3 | |
PINE ISLAND | 2 | | VENUS | 77 | |
| CONWAY | 4 | |
J J | 1 | |
PINEY POINT | 18 | | VERMILLION | 2 | |
| COOK | 18 | |
J M C RESOURCES | 2 | |
PINKLEY | 7 | | VERNON | 4 | |
| COOKE | 2 | |
J M G FINANCIAL | 1 | |
PINNACLE | 1 | | VERNOR | 7 | |
| COOLEY | 1 | |
J O C OIL | 1 | |
PINNELL | 8 | | VERNPORT | 3 | |
| COON | 13 | |
J R B | 1 | |
PINNEY | 13 | | VERSA | 5 | |
| COON-MURPHY | 1 | |
J R G | 23 | |
PINTAIL | 3 | | VESENMEIR | 2 | |
| COONRAD | 5 | |
J R OIL & GAS | 1 | |
PINTEX | 87 | | VESP | 1 | |
| COOPER | 7 | |
J S & P OPERATING | 1 | |
PINTO | 26 | | VESSELS | 1 | |
| COPANO | 24 | |
J S PETROLEUM | 2 | |
PIONEER | 18 | | VETTER | 2 | |
| COPETCO | 3 | |
J T R | 2 | |
PIONEER CONCRETE | 2 | | VICE | 2 | |
| COQUAT | 131 | |
J W P EXPLORATION | 1 | |
PIPE | 1 | | VICK | 37 | |
| COQUINA | 21 | |
J W R | 12 | |
PIPER | 4 | | VICKERS | 16 | |
| CORAL | 12 | |
J-3 OIL | 52 | |
PISTOL HILL | 1 | | VICTORIA | 17 | |
| CORDA | 1 | |
J-O'B OPERATING | 5 | |
PITKIN | 3 | | VICTORY | 8 | |
| CORDELE | 18 | |
J-W | 40 | |
PITTMAN | 10 | | VIDAURI OIL | 1 | |
| CORDELL | 2 | |
J-WIL | 2 | |
PITZER | 5 | | VIGIL | 1 | |
| CORDER | 1 | |
JACKSON | 21 | |
PLACER | 5 | | VIKING | 66 | |
| CORDER, KNOX | 2 | |
JACOB | 1 | |
PLACID | 99 | | VINTAGE | 3 | |
| CORE EXPLORATION | 2 | |
JACOBS | 14 | |
PLAINS | 13 | | VIOLET | 1 | |
| CORENERGY | 5 | |
JAD OIL | 1 | |
PLANET | 3 | | VIRLAR | 11 | |
| CORGEY | 38 | |
JADE | 6 | |
PLANTATION | 2 | | VIRTEX | 2 | |
| CORKILL | 1 | |
JAMES ENERGY | 1 | |
PLASTAFLEX | 2 | | VISA | 2 | |
| CORLEY | 16 | |
JAMESON | 2 | |
PLATEAU | 4 | | VISTA | 3 | |
| CORNELL | 3 | |
JAMEX | 33 | |
PLAZA | 4 | | VITERI | 1 | |
| CORNERSTONE | 1 | |
JAMIN | 15 | |
PLUMB OPERATING | 8 | | VITOL | 10 | |
| CORNING | 7 | |
JANAN | 10 | |
PLUMLY | 2 | | VITRAMAR | 1 | |
| CORONADO | 73 | |
JANCO | 2 | |
PLUMMER | 23 | | VIVIAN | 1 | |
| CORPENING | 15 | |
JANEX | 2 | |
PLYMOUTH | 507 | | VIVIENNE | 4 | |
| CORPUS CHRISTI CORPORATION | 13 | |
JARBE | 1 | |
POCO RIO | 1 | | VOIGHT | 23 | |
| CORPUS CHRISTI DRILLING | 1 | |
JARMAN | 1 | |
POCONO | 1 | | VOLIMERING | 2 | |
| CORPUS CHRISTI EXPLORATION | 5 | |
JARMON | 1 | |
POE | 1 | | VOLLMERING | 3 | |
| CORPUS CHRISTI MANAGEMENT | 43 | |
JARRELL | 3 | |
POGO | 23 | | VOLVO | 2 | |
| CORPUS CHRISTI OIL & GAS | 141 | |
JAY-DEE | 21 | |
POHLER | 3 | | VOMELA | 10 | |
| CORPUS CHRISTI REFINING | 5 | |
JAY-LIN | 6 | |
POINTS | 1 | | VON ROEDER | 10 | |
| CORRON | 1 | |
JAYCO | 3 | |
POLANSKY | 3 | | VOSS | 11 | |
| CORRUM | 1 | |
JAYRED | 2 | |
POLARIS | 8 | | VOYAGER | 3 | |
| CORSICANA | 1 | |
JEDCO | 5 | |
POLIS | 1 | | VOYLES | 2 | |
| CORUM | 27 | |
JEDSCO | 1 | |
POLLUTION CONTROL | 4 | | VRATIS | 1 | |
| CORY | 2 | |
JEFFERS | 1 | |
POMEXCO | 2 | | W & T OFFSHORE | 1 | |
| CORZELIUS | 2 | |
JEFFERSON LAKE | 25 | |
PONDER | 3 | | W A R | 2 | |
| COSDEN PETROLEUM | 28 | |
JEFFRIES | 1 | |
PONEXCO | 1 | | W C S | 7 | |
| COSEKA | 1 | |
JENKINS | 4 | |
PONTIAC | 114 | | W D A | 11 | |
| COSMO | 6 | |
JENNEY | 3 | |
POOL | 21 | | W G G OIL | 5 | |
| COSNER | 11 | |
JENNINGS | 93 | |
POOLE | 38 | | W H L | 1 | |
| COSTA | 4 | |
JERCO | 2 | |
POOLEY | 1 | | W J W | 1 | |
| COSTILLA | 16 | |
JERGINS | 85 | |
POPE | 1 | | W M & W | 14 | |
| COTTON | 103 | |
JERGINS OF TEXAS | 5 | |
POPEJOY | 2 | | W R G | 4 | |
| COTTONWOOD | 31 | |
JET | 7 | |
PORCHER | 2 | | W R R | 20 | |
| COUCH | 4 | |
JETCO | 1 | |
PORTAL | 2 | | W S M PETROLEUM | 6 | |
| COUGAR | 6 | |
JETSTREAM | 1 | |
PORTANOVA, BARON ENRICO DI | 1 | | W W ENERGY | 3 | |
| COWAN | 1 | |
JETTA | 1 | |
PORTER | 185 | | WADE | 6 | |
| COWANCO | 7 | |
JOBST | 4 | |
PORTILLA | 20 | | WADI | 2 | |
| COWELL | 1 | |
JOCELYN | 2 | |
POST OAK GAS | 1 | | WADSWORTH | 29 | |
| COX | 872 | |
JOCELYN-VARN | 58 | |
POTH | 12 | | WAGGONER | 3 | |
| COYLE | 10 | |
JOHNSON | 109 | |
POTRERO | 1 | | WAGLEY | 2 | |
| CRAIG | 1 | |
JOHNSTON | 30 | |
POTTER | 13 | | WAGNER | 169 | |
| CRANFILL | 2 | |
JOJON | 1 | |
POWELL | 4 | | WAINCO | 8 | |
| CRAWFORD | 15 | |
JOLLEY | 1 | |
POWER | 1 | | WAINOCO | 67 | |
| CRB | 7 | |
JONES | 155 | |
POWERS | 72 | | WALDRON | 4 | |
| CREDO | 1 | |
JONES CREEK | 1 | |
POYNOR | 3 | | WALES | 10 | |
| CREECH | 1 | |
JONNELL | 25 | |
POZO SECO | 1 | | WALKER | 19 | |
| CREIGHTON | 3 | |
JORDAN | 14 | |
PRADO | 145 | | WALLACE | 13 | |
| CRESCENT | 29 | |
JOSEY | 59 | |
PRAIRIE | 192 | | WALLING | 2 | |
| CRESLENN | 5 | |
JOYCE | 2 | |
PRATT | 20 | | WALSH | 4 | |
| CREST | 32 | |
JOYCE & HILTY | 15 | |
PRATT-HEWITT | 3 | | WALTER | 12 | |
| CRESTMONT | 1 | |
JUANITA | 1 | |
PRAY | 4 | | WALTERS | 3 | |
| CREWS | 19 | |
JUDARTH | 1 | |
PRECISION | 3 | | WALTON | 16 | |
| CRICKET | 2 | |
JUDD | 3 | |
PREMIER | 10 | | WALTON & GALT | 1 | |
| CRIMSON | 2 | |
JUPITER | 15 | |
PREMONT | 12 | | WARCO | 1 | |
| CRIPPLE CREEK | 2 | |
JUSTISS-WEARS | 1 | |
PRESIDIO | 8 | | WARD | 30 | |
| CROCKET | 1 | |
K & A | 19 | |
PRESNALL | 3 | | WARLIT | 12 | |
| CROCKETT | 7 | |
K & H | 54 | |
PRESSER ROYALTIES | 1 | | WARLOCK | 1 | |
| CRON | 24 | |
K & K | 2 | |
PRESSEY | 1 | | WARNCKE | 77 | |
| CROOM | 1 | |
K & N | 1 | |
PRESTON | 1 | | WARNER-QUINLAN | 4 | |
| CROSBY, A. W. | 3 | |
K & S | 2 | |
PRICE | 46 | | WARREN | 104 | |
| CROSS TIMBERS | 1 | |
K B | 33 | |
PRICKETT | 3 | | WARRIOR | 50 | |
| CROUCH | 51 | |
K C | 1 | |
PRIDE | 6 | | WARWICK | 4 | |
| CROW | 7 | |
K C S | 13 | |
PRIMA | 2 | | WASHINGTON | 4 | |
| CROWE | 1 | |
K L S | 1 | |
PRIMARY FUELS | 18 | | WASSON | 1 | |
| CROWELL | 1 | |
K M D | 1 | |
PRIME NATURAL RESOURCES | 2 | | WATCO | 12 | |
| CROWN | 17 | |
K O G OPERATING | 22 | |
PRIME OPERATING | 18 | | WATERBURY | 1 | |
| CROWN CENTRAL | 107 | |
K O T | 1 | |
PRIMROSE | 1 | | WATERS | 73 | |
| CRUDE OIL | 1 | |
K P EXPLORATION | 13 | |
PRINCE | 10 | | WATFORD | 2 | |
| CRUMP | 3 | |
K R M | 18 | |
PRINGLE | 2 | | WATKINS | 1 | |
| CRUTCHER | 1 | |
K T X | 4 | |
PRIOR | 2 | | WATSON | 36 | |
| CRUTCHFIELD | 1 | |
K W B | 1 | |
PRIZE | 5 | | WATT | 1 | |
| CRUX | 3 | |
K-2 | 1 | |
PROCESS | 1 | | WATTS | 2 | |
| CRYSTAL | 41 | |
K-N OPERATING | 5 | |
PROCTOR | 1 | | WAY OIL | 1 | |
| CUATRO | 1 | |
KA-HUGH | 24 | |
PRODECO | 10 | | WAYNE | 7 | |
| CUDE | 6 | |
KA-MATT | 3 | |
PRODEX | 6 | | WEATHERSTON | 19 | |
| CUELLAR | 11 | |
KADANE | 1 | |
PRODUCERS CORP. OF NEVADA | 76 | | WEAVER | 179 | |
| CUERO | 1 | |
KAISER OIL | 9 | |
PRODUCERS DEV. | 16 | | WEAVER, W. CARLTON | 2 | |
| CULLEN | 29 | |
KAISER-FRANCIS | 26 | |
PRODUCERS ENERGY SEARCH | 1 | | WEBBCO | 2 | |
| CULLINAN | 5 | |
KALER ENERGY | 40 | |
PRODUCERS ENGINEERING | 6 | | WEBER | 13 | |
| CULOCO | 1 | |
KALLINA | 42 | |
PRODUCERS INVESTMENT | 1 | | WEBSTER | 24 | |
| CULTON | 15 | |
KALON | 1 | |
PRODUCERS OIL CONTRACTORS | 1 | | WECO | 7 | |
| CULVER | 1 | |
KALSEA | 1 | |
PRODUCERS ROYALTY | 3 | | WEEKLY | 3 | |
| CUMEX | 2 | |
KAMLOK | 10 | |
PRODUCING PROPERTIES | 2 | | WEEKS | 10 | |
| CUMMINGS | 5 | |
KANE | 3 | |
PRODUCTION ACQUISITION | 1 | | WEGENER | 1 | |
| CUMMINS | 70 | |
KANEB | 2 | |
PRODUCTION DRILLING | 2 | | WEHMEYER | 10 | |
| CUMMINS & WALKER | 89 | |
KANELLOS | 1 | |
PRODUCTION OIL | 1 | | WEIGAND | 3 | |
| CUNNINGHAM | 45 | |
KANSAS | 1 | |
PRODUCTION SERVICE | 10 | | WEIGEL | 4 | |
| CURRAN | 1 | |
KARBUHN | 2 | |
PROFESSIONAL MANAGEMENT GROUP | 9 | | WEIMER | 1 | |
| CURREY | 3 | |
KARCHER | 2 | |
PROGRESS | 34 | | WEINERT | 10 | |
| CURRY | 6 | |
KARNCO | 5 | |
PROLER | 2 | | WEINFIELD | 1 | |
| CUSACK | 1 | |
KARNES | 3 | |
PROLITHIC | 1 | | WEISER-BROWN | 1 | |
| CUTBIRTH | 16 | |
KARSTEN | 76 | |
PRONGHORN | 1 | | WEISKETTEL | 1 | |
| CXY ENERGY | 1 | |
KASAN | 2 | |
PRONTO | 75 | | WELCH | 19 | |
| CYCLOPS | 2 | |
KATE | 1 | |
PROPERTY DEVELOPMENT | 24 | | WELDER | 33 | |
| CYPRESS E & P | 2 | |
KATZ | 290 | |
PROSPECT OIL | 1 | | WELDER-HEYER | 3 | |
| CYPRUS | 23 | |
KAULBACH | 9 | |
PROTEUS | 3 | | WELDON | 14 | |
| CZAR | 12 | |
KAYE | 3 | |
PROTHRO | 5 | | WELHAUSEN | 13 | |
| D & D | 8 | |
KAYLIN | 1 | |
PROVIDENCE | 11 | | WELL | 2 | |
| D & G | 54 | |
KEAHEY | 10 | |
PROWSE | 1 | | WELLINGTON | 97 | |
| D & M | 1 | |
KEARNEY | 1 | |
PRUDENTIAL | 31 | | WELLS | 30 | |
| D A R T | 3 | |
KEATOR | 1 | |
PRUDHOE | 25 | | WELSH | 16 | |
| D B O | 5 | |
KEBO | 109 | |
PRUET | 1 | | WELTMAN | 91 | |
| D C B OIL & GAS | 1 | |
KECK | 3 | |
PRUETT | 3 | | WENDELL | 1 | |
| D D D ENERGY | 1 | |
KEEHAN | 2 | |
PRUITT | 14 | | WENSKE | 3 | |
| D D G | 31 | |
KEEL | 1 | |
PRYOR | 2 | | WENTZ | 3 | |
| D D OIL | 1 | |
KEEMAC | 4 | |
PUBLISHER | 1 | | WERBLOW | 1 | |
| D K D | 4 | |
KEENE | 5 | |
PUENTICITAS | 75 | | WESCOL | 5 | |
| D K G | 11 | |
KEFT OIL | 1 | |
PULASKI-BOCK | 1 | | WESSELY | 14 | |
| D L B | 1 | |
KEG | 11 | |
PULLIAM | 1 | | WEST | 133 | |
| D M C | 1 | |
KEGLEY | 1 | |
PULS | 9 | | WEST ARTESIA | 18 | |
| D M L | 2 | |
KELJIKAN | 4 | |
PUMA | 2 | | WEST CENTRAL DRILLING | 3 | |
| D R S | 4 | |
KELLER | 2 | |
PURCELL | 1 | | WEST EAST | 1 | |
| D V OIL | 1 | |
KELLEY | 11 | |
PURE | 198 | | WEST ELGIN | 1 | |
| D Y EXPLORATION | 3 | |
KELLY | 31 | |
PURE RESOURCES | 1 | | WEST PAN | 1 | |
| D'UNGER | 5 | |
KELPETRO | 8 | |
PURL | 1 | | WEST PETROLEUM | 19 | |
| DABNEY | 1 | |
KELSEY | 21 | |
PURNELL | 6 | | WEST TULETA | 9 | |
| DADE | 1 | |
KELSO | 3 | |
PURSLEY | 5 | | WESTAG | 4 | |
| DAIGEL | 1 | |
KEMP | 2 | |
PURVIS | 5 | | WESTBROOK | 3 | |
| DAKAMONT | 7 | |
KEMPER GLICK | 1 | |
PUTNAM | 2 | | WESTCHASE | 7 | |
| DAL-LONG | 6 | |
KEN | 49 | |
PYNDUS | 1 | | WESTERN ALLIANCE | 3 | |
| DALE | 44 | |
KEN-KAN | 2 | |
PYRAMID | 17 | | WESTERN CONSOLIDATED | 2 | |
| DALECO | 24 | |
KENDALL | 7 | |
PYRO | 30 | | WESTERN GULF | 31 | |
| DALEX | 3 | |
KENERGY | 2 | |
PYRON | 1 | | WESTERN NATURAL | 114 | |
| DALLAS | 10 | |
KENNARD | 45 | |
Q M G | 1 | | WESTERN OIL | 9 | |
| DALPORT | 23 | |
KENNE | 1 | |
Q N K ENERGY | 3 | | WESTGATE | 1 | |
| DAMSON | 41 | |
KENNECOTT | 1 | |
QUADRA | 1 | | WESTHALL | 31 | |
| DANCIGER | 17 | |
KENNEDY | 9 | |
QUAESTOR | 4 | | WESTHEIMER | 1 | |
| DANCO | 1 | |
KENNON | 1 | |
QUAMAGRA |