CCGL

Operator List

Operators: 5889

Operators(536): [Blank] - BLACK RIVER
Operator Count   Operator Count   Operator Count   Operator Count  
254   AMARILLO 5   ASCENT 13   BARRETT 4  
1988 INDEXGEO J.V. 1   AMAX 26   ASHER 2   BARRIER 7  
5-D OPERATING 2   AMBASSADOR 20   ASHFORD 15   BARRY 28  
A & A 3   AMBERTON 4   ASHLAND 31   BARTELS 1  
A & D 1   AMBROSIA MINERALS 1   ASHLEY 1   BARTESSA 1  
A & D EXPL 5   AMCOLE 2   ASHTOLA 6   BARTGIS 1  
A & M 2   AMEND 7   ASPECT 6   BARTH 1  
A & R 2   AMERADA 284   ASPEN 2   BARTHOLOMEW 1  
A & T 15   AMERICAN AUSTRALIAN 1   ASSOCIATED OIL 98   BARTLE 3  
A A A OPERATING 5   AMERICAN COASTAL 4   ASTIN 1   BARTLE & BARTLE 1  
A C R 1   AMERICAN COMETRA 39   ASTRO 4   BARTLETT 2  
A K M 2   AMERICAN DELTA 9   ATAPCO 22   BASA RESOURCES 6  
A M & R 3   AMERICAN DRILLING 7   ATASCA RESOURCES 3   BASELINE O & G 1  
A N R 8   AMERICAN ENERGY 17   ATASCO 10   BASIC EARTH SCIENCE 14  
A O E OPERATORS 2   AMERICAN EXPLORATION 18   ATASCOSA OIL & GAS 1   BASIC ENERGY 4  
A O P 9   AMERICAN FIRST ENERGY 1   ATASCOSA TRUST 1   BASIN 13  
A P D 9   AMERICAN HUNTER 1   ATCHISON 3   BASOM 3  
A P I 2   AMERICAN INTERNATIONAL 19   ATHENS 2   BASS 177  
A R P 1   AMERICAN LIBERTY 36   ATKINS & O'NEIL 5   BASTROP 4  
A W P 13   AMERICAN NATURAL GAS 22   ATKINS MINERALS 2   BATEMAN 9  
A.T.O.P.P. 1   AMERICAN OPERATING 1   ATKINSON 18   BATES 4  
ABACO 12   AMERICAN PETROFINA 136   ATLANTIC 963   BATEX 3  
ABBEVILLE 1   AMERICAN PETROLEUM 1   ATLAS 4   BATON 5  
ABBOTT 10   AMERICAN PLASTI-PLATE 1   ATOKA 1   BATTAILE & KNISELY 1  
ABCO 12   AMERICAN PUBLIC ENERGY 4   ATTEBURY 2   BAUCHMAN 2  
ABEL 34   AMERICAN QUASAR 12   ATWOOD 21   BAUGH 1  
ABER 2   AMERICAN REPUBLIC 33   AUBURN 9   BAUMAN 3  
ABERCROMBIE 100   AMERICAN SHORELINE 54   AUDAS 5   BAXTER 108  
ABERNATHY 1   AMERICAN STANDARD 2   AUGUST 1   BAY CITY DRILLING 11  
ABRAHAM 1   AMERICAN TEXAS 5   AUGUSTA 1   BAY CITY REFINING 4  
ABRAXAS 101   AMERICAN TRADING 18   AULD 20   BAY OIL 9  
ABSHER 3   AMERICO 4   AURORA 16   BAY PRODUCTION 3  
ABSHIER 1   AMERICUS 1   AUSTEX 1   BAY ROCK 78  
AC EXPLORATION 3   AMERITEX 1   AUSTIN 24   BAYNES 10  
ACCO 91   AMES 4   AUSTRA-TEX 7   BAYPORT 4  
ACCUMULATIVE ROYALTY 2   AMEX SYSTEMS 1   AUSTRAL 93   BAYRIDGE 1  
ACHE 1   AMHERST 1   AUTREY 1   BAYSIDE 20  
ACHNING 7   AMIGO 2   AUTUMN 1   BAYSTAR 1  
ACIETEROS 5   AMIGOS 1   AV-TECH 1   BAYTEX OIL 32  
ACME 3   AMINEX USA 1   AVALANCHE 3   BEACH 16  
ACOCK 55   AMINI 1   AVERILL 56   BEACHAM 1  
ACOCK/ANAQUA 36   AMINOIL 28   AVERY 7   BEACON 15  
ACOMA 4   AMISTAD 2   AWOEB 3   BEADLE 1  
ACORN 4   AMMAN & McNAB 2   AXEM 8   BEALL 3  
ADA 72   AMMCO 3   AXIO 2   BEAMAN 5  
ADAIR 2   AMMEX 15   AXIS 1   BEAMON 6  
ADAMS 62   AMMONITE 4   AYERS 5   BEARD 15  
ADCO 3   AMOCO 316   AYERS & SWOPE 1   BEASLEY 1  
ADCOCK 1   AMOY 10   AYRES 13   BEATY 1  
ADDINGTON 3   AMPAK 35   AZALEA 2   BEAUCHAMP 2  
ADELANTE 1   AMPECO 2   AZAR 1   BECHTEL 1  
ADELON 2   AMPHION 1   AZMUTH 1   BECK 15  
ADENA 2   AMPOLEX 1   AZTEC 14   BECKER 32  
ADKINS 1   AMSLER 9   AZUL 6   BECKHAM 2  
ADMIRAL 2   AMUREX 1   B & B 12   BECKMAN 8  
ADOBE 28   ANADARKO 50   B & D 1   BECO 2  
ADRIAN 1   ANAQUA 59   B & E 1   BEDWELL 16  
AEGEAN 7   ANCIENT SEAS 1   B & G 6   BEER 26  
AEGIS 2   ANCIRA 1   B & K 1   BEGEMAN 9  
AEOX-ST 2   ANCON OIL 11   B & L 2   BEHEMOTH 4  
AERO COLOMA 1   ANDERMAN 6   B & M 20   BEHRING 1  
AFROMA 53   ANDERSON 172   B & S 1   BEL OIL 7  
AGCO 4   ANDERSON-PRICHARD 35   B & W 1   BEL-POTA 3  
AGOIL 34   ANDOVER 7   B B L 3   BELAIRE 1  
AGSCO 6   ANDRADE 34   B B M 16   BELCHER 4  
AHERN 20   ANDRAU 4   B D K 113   BELCO 65  
AID 12   ANDRAU-HADA 1   B D PRODUCTION 33   BELGAM 8  
AIKMAN 13   ANDREEN 2   B D R 3   BELL 25  
AKIN 3   ANDRES 2   B G EXPLORATION 1   BELL & DANSFIELL 21  
AKRON 6   ANDRESS 38   B H P 29   BELL, JAY 1  
ALABAMA MINERALS 1   ANDREWS 88   B H P PETROLEUM 1   BELL, KELLY 64  
ALABLANCA 1   ANDRUS 9   B J B 15   BELLOWS 2  
ALADDIN 2   ANGEL LAND 2   B J OIL MANAGEMENT 1   BELLWETHER 3  
ALAMO 43   ANGELINA 3   B M W RESOURCES 2   BELMONT 1  
ALANCO 2   ANGLO PRODUCTION 2   B N P 39   BENEDUM 11  
ALANIZ 5   ANGLO-DUTCH 1   B P AMERICA 14   BENEDUM-TREES 43  
ALASKA STEAMSHIP 129   ANGLO-NATIONAL 2   B P L 1   BENGAIL 3  
ALASKA TEX 3   ANHUR 5   B P PRODUCTION 6   BENGE 1  
ALBRECHT 4   ANISMAN 2   B S E PRODUCTION 5   BENHAM 1  
ALBRIGHT 2   ANKENMAN 4   B T 6   BENNETT 35  
ALCO DRILLING 16   ANN 1   B T A OIL 31   BENNETT, MILLS 154  
ALCO OIL 11   ANSCHUTZ 52   B W A B 1   BENSON 13  
ALCOA 88   ANSELMA 1   B Y S INC. 1   BENTEX 6  
ALCOR 2   ANSTER 1   B-G OPERATING 1   BENTON 1  
ALCORN 16   ANTARA 1   BABB 1   BENTSEN 72  
ALECO 1   ANTARES 28   BACARISSE 1   BENZ 7  
ALEXANDER 8   ANTEX 2   BAGDAD 3   BENZ-STODDARD 5  
ALFORD 6   ANTLER 2   BAGNALL 1   BENZAQUIN 1  
ALGORD 1   APACHE 144   BAHIA 30   BEPCO 2  
ALICE 2   APCO 2   BAILEY 38   BERENERGY 10  
ALICE OIL 1   APEX ENERGY 28   BAINBRIDGE 2   BERG 1  
ALKEK 45   APEX OIL 4   BAKER 22   BERGMAN 37  
ALL AM 5   APEXCO 5   BAKKE 29   BERING 32  
ALLAUN 1   APOLLO 5   BALBOA 2   BERKLEY 2  
ALLBRIGHT 1   APPELL 246   BALD 2   BERKSHIRE 1  
ALLDAY 24   APPLE 1   BALDRIDGE 163   BERLY 1  
ALLEGRO 74   APPLIED THERMAL 2   BALLANFONTE 3   BERNARD 1  
ALLEN 115   APPLING 1   BALLARD 48   BERRY 3  
ALLEN & MORRIS 5   AQUILA 6   BALLENGEE 1   BERTELSON 1  
ALLEN & SHUMATE 5   AQUITAINE 1   BALTIC 20   BERTMAN 1  
ALLERKAMP 10   ARANSAS 9   BAM 2   BEST 1  
ALLIANCE 7   ARAPAHO 1   BAMM 1   BETA 1  
ALLIED DRILLING 6   ARAXAS 3   BAMMERT 1   BETTIS 70  
ALLIED HYDROCARBONS 2   ARCADIA 10   BANCROFT 2   BEVERS 1  
ALLIED OIL 2   ARCHER 6   BANDER 1   BEVLY 31  
ALLIED PRODUCTION 10   ARCO 355   BANDERA 2   BEXCO 20  
ALLISON 7   ARENA 20   BANKHEAD 17   BID-RICH 1  
ALLTEX 2   ARENDALE & LOWE 3   BANKLINE 7   BIG 6 DRILLING 47  
ALMAC 8   ARGO 282   BANKS MILLER 3   BIG CHIEF 2  
ALMAR 3   ARGOS 4   BANNER 2   BIG LAKE 5  
ALPHA ENERGY 1   ARGUS 3   BANNON 2   BIG SHELL 4  
ALPHA EXPLORATION 7   ARGYLE 1   BAR D 3   BIG SPRINGS 6  
ALPHA GAS 8   ARICK 1   BAR M 18   BIGHART 2  
ALPHA OIL 2   ARIES 1   BAR MAR 2   BIGHORN 1  
ALPHA OMEGA ENERGY 4   ARK 15   BAR S 1   BIGLANE 2  
ALPHA PRODUCTION 1   ARKANSAS FUEL 252   BAR-MAC 1   BILBO 14  
ALSABROOK 2   ARKLA 7   BAR-MAR 1   BILLFISCH 4  
ALSAN 2   ARLEDGE 12   BARBARA 16   BILLINGS 9  
ALTA 1   ARMADA 4   BARBEE 6   BINNEY 1  
ALTA ENERGY 2   ARMER 1   BARBER 12   BINTLIFF 13  
ALTA MESA 6   ARMOUR 41   BARBRE 1   BIRD 1  
ALTA VISTA 13   ARMOUR-RICHARDS 1   BARGE 1   BIRDWELL 59  
ALTEX 2   ARMSTRONG 100   BARGO ENERGY 2   BISCO 1  
ALTGELT 1   ARMSTRONG & HORN 11   BARIA 18   BISHOP 43  
ALUMINUM CO. OF AMERICA 175   ARMSTRONG & SUTTON 19   BARKER 4   BISKAMP 2  
ALWORTH 1   ARNOLD 26   BARNEBURG 10   BISSELL 1  
ALYANA 1   ARNOLD WELL SERVICE 95   BARNES 20   BISSETT 1  
ALYNDSON 2   ARRIBA 46   BARNETT 4   BITTNER 1  
AM-RDC 1   ARRINGTON 3   BARNHART 8   BLACK 37  
AM-TEX 2   ARROW 31   BARNHILL 7   BLACK GOLD 2  
AMAL 2   ARROWHEAD 2   BARNSDALL 221   BLACK RIVER 4  
AMALGAMATED 7   ARROYO 1   BARNWELL 6    
AMAR 5   ARSHT 1   BARON 5    
AMARCO 1   ARTZBERGER 1   BARRACUDA 1    
AMAREX 1   ASAMERA 10   BARRANCA 1    
Operators(536): BLACK ROCK - COFFIELD
Operator Count   Operator Count   Operator Count   Operator Count  
BLACK ROCK 9   BRILL 10   CAFRE 3   CHAMPION 3  
BLACKBRUSH 1   BRINKERHOFF 8   CAGE 8   CHAMPLIN 385  
BLACKFOOT 1   BRINKOETER 3   CAIN 26   CHANCE 3  
BLACKJACK 7   BRISCOE 22   CAL MON 1   CHANDLER 2  
BLACKMAR 2   BRISTOL 3   CAL-TEX 3   CHANOCO 29  
BLACKWELL 1   BRISTON 1   CALADONIA 1   CHAPARRAL 27  
BLAFFER 5   BRISTOW 15   CALAME 1   CHAPARROSA 27  
BLAIR 25   BRITANCO 1   CALATEXIA 1   CHAPCO 1  
BLAIR-VREELAND 193   BRITISH AMERICAN 62   CALAWAY 16   CHAPMAN 139  
BLAIRSVILLE 2   BRITISH TEXAN 8   CALCO 2   CHARLTON 10  
BLAKE ENERGY 9   BRITTANY 1   CALDWELL 8   CHARO ENERGY 10  
BLALOCK 2   BROAD OAK 1   CALHOUN 2   CHARRO 35  
BLANCHARD 21   BROADHEAD 1   CALIBOGUE 2   CHARTER 2  
BLANCO 216   BROADUS 6   CALIBRI 1   CHASE 8  
BLANKE 1   BROADWAY 1   CALIFORNIA CO. 12   CHASS 25  
BLANTON 6   BROCATO 9   CALIFORNIA TIME 1   CHASTAIN 1  
BLAZER 6   BROCK 36   CALIFORNIA TIMES 3   CHAVANNE 24  
BLEAKLEY 14   BROGAN 2   CALIX 1   CHENOWETH 1  
BLEDSOE 2   BRONCO 2   CALLAHAN 2   CHEROKEE 9  
BLOCK 1   BROOKLYN 9   CALLAWAY 18   CHEROSAGE 22  
BLOCKER 46   BROOKS 5   CALLENDER 2   CHERRY 7  
BLOHM 6   BROONER 28   CALLERY 40   CHERRYVILLE 37  
BLOMGREN 3   BROSECO 13   CALLON 5   CHESAPEAKE 63  
BLOUNT 18   BROWN 356   CALOHAN 11   CHESNUTT 5  
BLUCHER 2   BROWNING 10   CALPINE 2   CHESSER 1  
BLUCO 14   BRUMMETT 10   CALVERT 78   CHESSHER 1  
BLUE JAY 8   BRUNER 57   CAM CORP. 15   CHEVRON 115  
BLUE RIDGE 5   BRUNNETT 1   CAMBELL 3   CHEYENNE 5  
BLUE SKY 23   BRUNO 3   CAMBRIAN 1   CHICAGO 350  
BLUE WATER 3   BRUNS 39   CAMBRIDGE 53   CHICO OIL 1  
BLUE WING ENERGY 1   BRYAN 15   CAMDEN 33   CHIEF 1  
BLUEBONNET 3   BRYANT 40   CAMERINA 3   CHILDERS 10  
BLUERIDGE 3   BUCHANAN 41   CAMERON 97   CHILDRESS 1  
BLUESTONE 3   BUCK 24   CAMINO 12   CHILES 76  
BLUFF 2   BUCKALOO 9   CAMOIL 1   CHILTIPIN 3  
BLUHAWK 1   BUCKINGHAM 13   CAMP 114   CHINN 7  
BLUMBERG 10   BUCKLEY 8   CAMPANA 4   CHIODO 2  
BLUMENTHAL 1   BUDA 2   CAMPARIA 1   CHIPPEWA 1  
BLUTCH 2   BUELL 2   CAMPBELL 53   CHIQUITA 2  
BOB'S SERVICE 1   BUESCHER 3   CAN-AM 1   CHISHOLM 1  
BOCK 6   BUETTNER 1   CANADIAN NORTHWEST 1   CHIZUM 26  
BOCK & ANDERSON 1   BUFFALO 15   CANALES 28   CHOATE 2  
BODE 2   BUNN 12   CANKIE 1   CHOCTAW 1  
BOEGENTER 1   BUNTE 10   CANNAN, MORRIS 154   CHOICE 27  
BOLDING 2   BUNTIN 1   CANNAN-SUBSURFACE 1   CHOYA DRILLING 12  
BOLIN 10   BUR-KAN 1   CANNON 12   CHRISCO 1  
BOLING 8   BURCH 21   CANNONBALL 2   CHRISTIAN 3  
BOLLER 4   BURDEN 1   CANTEX 1   CHRISTICO 31  
BOLLING 1   BURDETTE 1   CANTRELL 1   CHRISTIE 116  
BOLLMAN 1   BURDITT 2   CANTRO 9   CHRISTILIN 2  
BOLSA 1   BURFORD 2   CANUS 170   CHRISTINA 1  
BOLTON 2   BURK ROYALTY 69   CANUSA 4   CHRISTOPHER 35  
BOMMER 18   BURKART 1   CAPE 1   CHUMNEY 1  
BONANZA 6   BURKE 21   CAPITAL STAR 9   CHURCH 4  
BONAVENTURE 5   BURKHARDT 1   CAPITAN 1   CICHOWSKI 5  
BOND, DURBIN 20   BURKHART 6   CAPITOL 51   CICO 104  
BOND, ROLAND 4   BURLESON 8   CAPITOL RESOURCES 6   CIMAREX 6  
BONNER 2   BURLINGTON 9   CAPPS 2   CIMARRON 45  
BONOIL 1   BURNAM 1   CAPRICORN 1   CINCO 11  
BOONE 3   BURNELL 7   CAPRINA 5   CIRCLE 20  
BOOTH & HOLMAN 4   BURNETT 54   CAR-LOID 1   CIRCLE 7 OIL & GAS 2  
BOOTHE 1   BURNS 217   CARAWAY 5   CIRCLE W 6  
BOPCO 2   BURR 8   CARBIDE 2   CIRRUS 2  
BORDER 51   BURR & CREWS 1   CARBONIT 1   CITADEL 2  
BOREN 3   BURROW 3   CARDEN 1   CITATION OIL & GAS 12  
BORNEFELD 1   BURSON 2   CARDOIL 1   CITEX 1  
BORSODI 4   BURTON 24   CAREY 13   CITIES PROD. 2  
BOSS EXPLORATION 2   BUSBY 4   CARIBBEAN 22   CITIES SERVICE 422  
BOSTON 11   BUSCHMAN 2   CARIBOU 4   CITY OF JOURDANTON WATER BOARD 1  
BOTTOMS 1   BUSMORE 14   CARL 65   CITY PRODUCTS 1  
BOUNDS 1   BUTCHER 34   CARLANDA 10   CLA-BAR OIL 6  
BOUNTY 20   BUTLER 74   CARLEE 2   CLAN 1  
BOURNE 2   BUTT 8   CARLESS 4   CLANTON 3  
BOW 3   BUTTERCUP 1   CARLON 12   CLARDY 18  
BOWDEN 1   BUTTES 37   CARLOS 4   CLARDY & BARNETT 1  
BOWEN 4   BUTTRAM 2   CARLSON 16   CLARK 246  
BOWLES 22   BUZZINI 14   CARLTON 3   CLARKSON 2  
BOWLING 2   BYARS 8   CARNES 18   CLARKWOOD 2  
BOWMAN 4   BYER 1   CAROLINA 2   CLARY 1  
BOWMAN CATTLE 14   BYRD 11   CAROLINA-TEXAS 2   CLAY 7  
BOYCE 7   BYS INCORPORATED 1   CARPENTER 3   CLAYTON 5  
BOYD & DURST 3   C & E 168   CARR 227   CLEAR FORK 2  
BOYD & GALT 1   C & J 1   CARRIE 1   CLEARY 22  
BOYKIN 59   C & K 46   CARRILLO 1   CLEGG 14  
BOYLE 73   C & M 1   CARRIZO 46   CLEMCO 17  
BOYSEN 34   C & R 1   CARRL 224   CLEMENTS 10  
BRACHMAN 1   C A G 7   CARROLL 1   CLEVA 2  
BRACKEN 3   C B & S 43   CARTER 320   CLEVELAND 8  
BRADBURY 1   C B ENERGY 6   CARTHAY 22   CLEVENGER 11  
BRADCO 19   C B GATHERING 4   CARTTER 1   CLIFFS DRILLING 1  
BRADEX 1   C C LEASEHOLD 1   CARTWRIGHT 5   CLIFFWOOD 1  
BRADFORD 5   C C M G 1   CASA GRANDE 2   CLIMAX 3  
BRADLEY 1   C C OPERATING 2   CASCADE 3   CLINE 6  
BRADSHAW 2   C D CONSULTING 3   CASCO 1   CLINTON 48  
BRADSTREET 1   C D E 3   CASE-POMEROY 1   CLIPPER 1  
BRADY 4   C D RESOURCES 11   CASEY 4   CLOPTON 16  
BRAHANEY 2   C E T 3   CASH 5   CLOUD 1  
BRAHMAN 8   C G V 4   CASHCO 17   CLOVER 79  
BRALORNE 1   C H & M 2   CASHION 9   CLUCK 3  
BRAMAN 66   C H F 1   CASKEY 10   CLYMORE 20  
BRAMMER 15   C J D 2   CASKIDS 8   COALINGA 2  
BRANDON 8   C L F 1   CASTLE 4   COAST CO. 18  
BRANHAM 15   C M & M 1   CASTLEMAN 1   COASTAL BEND DRILLING 1  
BRANN 1   C M & W 1   CATAHOULA 4   COASTAL BEND OIL 17  
BRANNON 3   C M C 6   CATARINA 3   COASTAL DRILLING & WORKOVER 5  
BRANSON 1   C M L 1   CATER 2   COASTAL ENGINEERING 3  
BRASADA 1   C M OIL 4   CATLETT 90   COASTAL EXPLORATION 2  
BRASFIELD 1   C M S 1   CATTLE LAND 56   COASTAL GULF 1  
BRAUER 6   C N 1   CAUBLE 11   COASTAL OIL & GAS 296  
BRAUN 21   C N G 15   CAVALIER 2   COASTAL OIL & LAND 10  
BRAVADO 1   C N R 4   CAVALLA 14   COASTAL PLAINS 5  
BRAWLEY 1   C P C 73   CAWTHON 3   COASTAL PRODUCTION 6  
BRAYERS 1   C P C DALE OPERATING 2   CAYMAN 10   COASTAL REFINERIES 102  
BRAYTON 89   C P X 25   CAYUGA 5   COASTAL STATES 521  
BRAZELL 5   C R A 5   CAZA OPERATING 1   COASTAL TEX 1  
BRAZOS 220   C R B 24   CE-BETH 3   COASTAL TREND 66  
BRAZOS OIL & GAS 19   C R L 1   CEDAR HILL 1   COASTAL WELL SERVICE 1  
BREGMAN 2   C R M 2   CELERON 4   COASTLAND 1  
BREHM INVESTMENT 1   C S A 9   CELTIC 1   COASTLINE 69  
BRELSFORD 2   C S X 2   CENERGY 18   COATES 268  
BRENAN 4   C T OIL & GAS 1   CENIZA 32   COATS 3  
BRENNAN 2   C T R 3   CENTAUR 3   COBBS 1  
BRENT 2   C X Y ENERGY 3   CENTENNIAL 28   COBRA 29  
BREUER 34   C-AIR 2   CENTEX 3   COCHRAN 40  
BREWER 5   C-K RESOURCES 7   CENTRAL 34   COCKBURN 62  
BREWSTER 33   C-TECHNOLOGY 2   CENTURA 19   COCKRELL 108  
BRIAN 1   CABEZA 1   CENTURION 2   CODY 98  
BRIDAS 1   CABILDO 2   CENTURY 73   COE 1  
BRIDEWELL 31   CABLE 1   CENZIA 1   COFFEE 79  
BRIDGE 54   CABOT 90   CERRO DE PASCO 11   COFFEY 11  
BRIDGER 7   CABRE 1   CHABTEX 1   COFFIELD 10  
BRIDWELL 473   CACHARA 4   CHALLENGE 5    
BRIGGS 2   CACTUS 6   CHAMBERLAIN 13    
BRIGHAM 58   CADDO 124   CHAMBERS 24    
BRIGHT 208   CAESAR 2   CHAMBLISS 1    
Operators(536): COFFMAN - ENI EXPLORATION
Operator Count   Operator Count   Operator Count   Operator Count  
COFFMAN 25   CRICKET 3   DELANO 1   DUVAL COUNTY RANCH CO. 66  
COGGINS 1   CRIMSON 4   DELAWARE 3   DUVAL OIL 45  
COGSWELL 1   CRIPPLE CREEK 2   DELCAR 13   DUVAL PRODUCTION 11  
COHEN 5   CROCKET 1   DELEE 2   DYAD 1  
COHO 5   CROCKETT 7   DELFERN 2   DYCO 2  
COKE 1   CRON 24   DELHI 62   DYNAMIC 77  
COKER 1   CROOM 1   DELHI-TAYLOR 130   DYONISIO 1  
COKINOS 1   CROSBY, A. W. 4   DELK 1   E & H 4  
COLBY 2   CROSS TIMBERS 1   DELKER 14   E & L 1  
COLE 62   CROUCH 52   DELLINGER 25   E C C 3  
COLEMAN 2   CROW 7   DELLWOOD 15   E E X 14  
COLETTO CREEK 1   CROWE 1   DELRAY 64   E K O 12  
COLGIN 1   CROWELL 1   DELTA AMERICAN 25   E M J 1  
COLINE OIL 1   CROWN 17   DELTA BRAVO 1   E O G RESOURCES 195  
COLLIER 17   CROWN CENTRAL 110   DELTA DRILLING 7   E P OPERATING 49  
COLLINS 42   CRUDE OIL 1   DELTA EXPLORATION 1   E R I 11  
COLLOM 1   CRUMP 3   DELTA GULF 24   E S B E 1  
COLO 1   CRUTCHER 1   DELTA PETROLEUM 1   E-COR 3  
COLOBRI 2   CRUTCHFIELD 1   DELTA US 1   E-G JOINT VENTURE 6  
COLOGNE 37   CRUX 3   DENALI 5   EADS 20  
COLOMA 56   CRYSTAL 41   DENISON 1   EAGLE 28  
COLONIAL 2   CUATRO 1   DENMAN 6   EAGLEFORD HUNTER RESOURCES 1  
COLONNADE 1   CUDE 21   DENNIS 9   EARTH SCIENCES 6  
COLORADO 57   CUELLAR 11   DENOVO 4   EASON 9  
COLSON 2   CUERO 1   DENTLER 1   EAST SIDE 2  
COLT 2   CULLEN 29   DENTON 1   EAST WEST INVESTMENT 1  
COLTON 30   CULLINAN 5   DENVER AMERICAN 3   EASTERN ENERGY 1  
COLUMBIA 45   CULOCO 1   DEROSSETT 5   EASTERN GAS 12  
COLUMBIAN 3   CULTON 16   DESANA 1   EASTERN OIL 2  
COLUMBUS 38   CULVER 1   DESCO 1   EASTERN STATES 6  
COLVIN 4   CUMEX 2   DEVEX 1   EASTERN TEXAS 3  
COMANCHE 17   CUMMINGS 9   DEVINE 5   EASTERWOOD 21  
COMBINED AMERICA 1   CUMMINS 74   DEVON 50   EATON 7  
COMBINED PRODUCING 1   CUMMINS & WALKER 134   DEVONIAN 3   EBERT 2  
COMBUSTION PRODUCTS 7   CUNNINGHAM 45   DEWALT 3   ECA HOLDINGS 1  
COMCO-CENTURION 1   CURRAN 1   DEWBRE 118   ECHO 1  
COMETRA 22   CURREY 3   DEWITT OIL & GAS 3   ECHOLS 51  
COMMERCE 2   CURRY 6   DIADEM 1   ECKERT 7  
COMMERCIAL 53   CUSACK 1   DIAMEX 8   ECKOLS 2  
COMMONWEALTH 14   CUTBIRTH 17   DIAMOND 42   ECLETO 1  
COMPASS 2   CXY ENERGY 1   DIAMOND HALF 1   EDCO 9  
COMPLETE OIL 4   CYCLOPS 2   DIAMOND SHAMROCK 4   EDDY 35  
COMSTOCK 23   CYPRESS E & P 4   DIASU 3   EDEN OIL 2  
CON-TEX OIL 1   CYPRUS 24   DICE 2   EDGAR 13  
CONCHO 11   CZAR 11   DICK 39   EDGE 123  
CONCORD 13   D & D 9   DICKSON 1   EDGE PETROLEUM 2  
CONDRY 1   D & G 54   DIETERT 3   EDINBURG 1  
CONE 1   D & M 1   DIFFERENTIAL 1   EDISTO 1  
CONES 3   D A R T 3   DILLARD 27   EDMISTON 4  
CONFEDERATE 10   D B O 5   DILLEY 45   EDMONT 1  
CONLEY 3   D C B OIL & GAS 1   DILLON 69   EDWARDS 71  
CONN 1   D D D ENERGY 1   DINERO 126   EGAN 36  
CONNER 1   D D G 31   DINN 1   EHMAN 1  
CONOCO 378   D D OIL 1   DIRKS 104   EI-FEL 1  
CONQUEST 20   D J EXPLORATION 1   DIRNETT 2   EICHER 6  
CONROE 77   D K D 4   DISCORBIS 47   EILAND 1  
CONROY 1   D K G 11   DISCOVERY 24   EKO 1  
CONSERVATIVE OIL 16   D L B 1   DISHMAN 3   EL CAMINO 1  
CONSOLIDATED 131   D M C 1   DIVERSA 12   EL CHORRO 3  
CONSTANTIN 1   D M L 4   DIXEL 15   EL DORADO 26  
CONTINENTAL 1351   D R S 4   DIXIE 19   EL INDIO 1  
CONTINENTAL TREND RESOURCES 14   D S M OIL 2   DIXILYN 2   EL PASO 166  
CONTRACT ENERGY 1   D V OIL 1   DIXON 30   EL REGALO 3  
CONVEST 77   D Y EXPLORATION 4   DOBBINS 3   EL REY PETROLEUM 2  
CONWAY 4   D'UNGER 5   DODGEN 1   EL RIO 1  
COOK 18   DABNEY 1   DOHERTY 1   EL-TEX 3  
COOKE 2   DADE 1   DOLCH 10   ELAM 2  
COOLEY 1   DAHCO 1   DOLPHIN 2   ELAND 1  
COON 13   DAIGEL 1   DOME 1   ELEANOR OIL 1  
COON-MURPHY 1   DAKAMONT 7   DOMESTIC FUELS 1   ELECTROSEIS 2  
COONRAD 5   DAL-LONG 6   DOMINION 80   ELECTROTHERMIC 9  
COOPER 7   DALE 53   DONICO 5   ELF AQUITAINE 4  
COPANO 25   DALECO 24   DONKIN 2   ELINOR OIL 1  
COPETCO 3   DALEX 3   DONZIS 2   ELLEDGE 2  
COQUAT 132   DALLAS 10   DOOLEY 1   ELLIOTT 12  
COQUINA 21   DALPORT 23   DORADO 1   ELLISON 2  
CORAL 12   DAMSON 41   DORAN 49   ELLOCO 1  
CORDA 1   DANCIGER 29   DORCHESTER 33   ELLSTROM 1  
CORDELE 18   DANCO 1   DORFMAN 1   ELLSWORTH 110  
CORDELL 2   DANE 2   DORRANCE 9   ELMAX 1  
CORDER 1   DANIEL 18   DORRIS 3   ELMER 1  
CORDER, KNOX 3   DANIELS 3   DOSS 2   ELMONT 1  
CORE EXPLORATION 3   DANIELSON 6   DOUBLE EAGLE 36   ELMS 3  
CORENERGY 9   DANMOR 1   DOUBLE J 2   ELTOBILT 1  
CORGEY 38   DANOIL 3   DOUBLE PLAY 17   ELWOOD 1  
CORKILL 1   DANREY 5   DOUBLE S 1   ELY 2  
CORLEY 16   DANSFIELL 28   DOUBLE U 30   EMINENT 2  
CORNELIUS 1   DANT 2   DOUGHERTY 108   EMPIRE 5  
CORNELL 3   DANTEX 10   DOUGHTY 45   EMRY 1  
CORNERSTONE 2   DANZIGER 1   DOUGLAS 122   ENCANA 1  
CORNING 7   DARBY 14   DOVRE 2   ENCINO 20  
CORONADO 72   DARCY 3   DOW CHEMICALS 119   ENCINO ENERGY 1  
CORPENING 15   DARNER 11   DOWNEY 1   ENCO EXPLORATION 84  
CORPUS CHRISTI CORPORATION 13   DARROH 2   DOWNING 12   ENCON 5  
CORPUS CHRISTI DRILLING 1   DARSEY 8   DOYLE 5   ENDEAVOR 1  
CORPUS CHRISTI EXPLORATION 5   DASA 13   DOYNO 2   ENDEAVOUR 6  
CORPUS CHRISTI LEASEHOLDS 13   DASBECK 1   DR. MC 1   ENDERLI 1  
CORPUS CHRISTI MANAGEMENT 43   DASH 9   DR. PEPPER BOTTLING CO. 1   ENDICOTT 3  
CORPUS CHRISTI OIL & GAS 177   DASKAM 2   DRAKE 5   ENDREX 4  
CORPUS CHRISTI REFINING 5   DAUBERT 197   DRAPER 14   ENDURING 1  
CORRON 1   DAUBES 2   DREXEL 9   ENDURO 1  
CORRUM 1   DAUCHY 50   DREYFUS 2   ENERCO 4  
CORSICANA 1   DAUGHERTY 7   DRILLCO 3   ENERCORP 2  
CORUM 32   DAUNTLAS 2   DRILLERS ENERGY 37   ENERGETICS 56  
CORY 2   DAVACO 1   DRILLING & EXPLORATION 40   ENERGEX 2  
CORZELIUS 2   DAVENPORT 36   DRILLMAR 1   ENERGO 1  
COSDEN PETROLEUM 28   DAVES 1   DRISCOLL 32   ENERGY 44  
COSEKA 1   DAVIDOR 20   DRIVER 3   ENERGY DEVELOPMENT 86  
COSMO 6   DAVIDSON 15   DRYER 1   ENERGY ENTERPRISES 6  
COSNER 11   DAVIE 1   DUAL 1   ENERGY EQUITY 1  
COSTA 4   DAVIES 1   DUDLEY 1   ENERGY EXPLORATION 1  
COSTILLA 19   DAVIS 376   DUER-WAGNER 2   ENERGY HUNTER 1  
COTTON 104   DAVMOR 1   DUFF 1   ENERGY INTERNATIONAL 4  
COTTONWOOD 33   DAVOIL 1   DUGGER 68   ENERGY INVESTMENTS 6  
COUCH 4   DAWSON 51   DUKE 2   ENERGY PROJECTS 2  
COUGAR 6   DAY 1   DULANEY 124   ENERGY RESERVES GROUP 26  
COWAN 1   DAYVAULT 1   DULCE OIL 3   ENERGY RESOURCES 9  
COWANCO 6   DE SHANE 1   DULUP 17   ENERGY SEARCH 3  
COWELL 1   DEAN 16   DUNBAR 5   ENERGY SOURCES 7  
COX 899   DeARMON 1   DUNCAN 18   ENERGY TREATING 1  
COYLE 10   DEBROW 1   DUNHAM 4   ENERGY UNLIMITED 5  
COYOTE TRUST 1   DECKER 31   DUNHILL 3   ENERQUEST 9  
CRAIG 2   DECLEVA 6   DUNLAP 23   ENEX 2  
CRANFILL 2   DEEP ROCK 32   DUNN 3   ENEXCO 5  
CRAWFORD 18   DEEP SOUTH 6   DUNNAM 2   ENGELKE 93  
CREDO 1   DEERING 1   DUNWOODY 16   ENGEO 83  
CREECH 1   DEETER 20   DUPONT 3   ENGLAND 1  
CREEK OIL 1   DeGRAZIER 2   DUQUESNE 1   ENGLE 1  
CREIGHTON 3   DeGUIRE 8   DURANGO 2   ENGLISH 1  
CRESCENT 30   DEICO 1   DURBIN BOND 9   ENHANCED ENERGY 1  
CRESLENN 5   DEKALB ENERGY 9   DURBIN OIL 2   ENI EXPLORATION 2  
CREST 37   DEL MAR 23   DURHAM 2    
CREST ENERGY 1   DEL PETROLEUM 6   DURST 8    
CRESTMONT 1   DELANEY 1   DUTY TOOL 3    
CREWS 20   DELANGE 268   DUVACO 1    
Operators(536): ENRE - GULF SOUTH
Operator Count   Operator Count   Operator Count   Operator Count  
ENRE 22   FINA 124   G M T 1   GLENN & ASSOCIATES 5  
ENRON 390   FINCH 2   G S I 2   GLENNCO 5  
ENSCO 1   FINDER 1   G W R 2   GLENORA 4  
ENSEARCH 1   FINE 1   GABRIEL 2   GLENWAR 2  
ENSERCH 54   FINGER 23   GAEA 1   GLO CO. 1  
ENSIGN 1   FINLEY 11   GAELIC 2   GLOBAL 8  
ENSOURCE 1   FINNEY 4   GAGE 1   GLOBE OPERATING CO. 8  
ENSTAR 10   FIRST ARANSAS 1   GAINCO 12   GLOVER 1  
ENTERPRISE 28   FIRST ENERGY 11   GAINES 10   GLYNN-THOMPSON 1  
ENTERPRISES 2   FIRST MATAGORDA 5   GAITHER 11   GO ENERGY 3  
ENTEX 19   FIRST OIL 1   GALATIA 2   GO OIL 1  
ENTRUST 1   FIRST ROCK 7   GALAXY 171   GO-ENERGY 1  
EPPLER 1   FIRST UNITED 2   GALLAHER 7   GO-ENERGY 3  
EQUINOX 1   FIRSTRIKE ENERGY 2   GALLO DE CRISTAL 1   GO-TEX 8  
EQUITABLE 12   FISCHER 79   GALLOWAY 1   GODBOUT 1  
EQUITX 7   FISH 5   GALO ENERGY 6   GODSEY 11  
EQUITY 7   FISHER 24   GALT 1   GOERNER 1  
ERIN SOUTHWEST 1   FISHER-WEBB 25   GALVEZ 1   GOETZ 8  
ERNEST 5   FITE 1   GAMBLE 6   GOFORTH 2  
ERSKINE 22   FITTIPALDO 1   GAMMA RESOURCES 3   GOHLKE 3  
ERWIN 1   FITZGERALD 9   GAMMETER 1   GOHLKE-BENGE 1  
ESCOBA 1   FITZPATRICK 67   GAR 4   GOLDEN 40  
ESCONDIDO 5   FIVE RESOURCES 6   GAR-FLO 1   GOLDING 3  
ESENJAY 330   FLAG-REDFERN 24   GARCIA 1   GOLDKING 244  
ESGEN 2   FLAITZ 59   GARDESCU 1   GOLDMAN 1  
ESPADA 4   FLAMINGO 13   GARDNER 36   GOLDRUS 23  
ESPERANZA 6   FLANAGAN 2   GARLAND 2   GOLDSMITH 6  
ESTES 2   FLARE 2   GARLITZ 4   GOLDSTON 243  
ESUNAS 5   FLASKE 1   GARNER 1   GOLDSTRAND 1  
ESVES 1   FLEET 2   GARNETT 6   GOLIAD 34  
ETHREDGE 2   FLEMING 1   GARR 2   GOLSON 1  
ETHYL 13   FLETCHER 7   GARRETT 8   GOMA 2  
ETOCO 12   FLO-TEX 1   GARRISON 12   GOOD DAY 8  
EUBANK 4   FLOBOOTS 4   GARVEY 8   GOOD HOPE 147  
EUBANKS 3   FLORENCE 3   GARVIN 1   GOODALE 22  
EUGENE 9   FLORIDA 24   GARY 1   GOODELL 4  
EURA B. OIL 1   FLOUR BLUFF 2   GAS 2   GOODHUE 1  
EURATEX 2   FLOURNOY 233   GAS PRODUCING ENTERPRISES 55   GOODRICH 14  
EUREKA 1   FLOWERS 23   GAS ROCK 5   GOODWIN 1  
EUROPEAN 20   FLOYD 2   GASAWAY 1   GORDEN 1  
EVANS 56   FLUSS 1   GASOLINE PRODUCTION 126   GORDON 12  
EVCO 7   FLY 70   GASPAR RICE 2   GORMAN 330  
EVERBRIGHT 8   FLYING DIAMOND 2   GASPER RICE 35   GORUM 6  
EVEREST 100   FLYING W 1   GASROCK 3   GOSE 137  
EVERGREEN 23   FLYNN 19   GASTEX 1   GOTTLIEB 2  
EVERS 1   FOHS 13   GASTRANS 6   GOUGER 11  
EVERSOLE 1   FOHS & FOHS 1   GATES 2   GOULD 1  
EWING 4   FOLWELL 3   GATHINGS 36   GOVERNMENT WELLS 24  
EXCELSIOR 6   FONTANA 10   GATO 2   GRABOWSKI 5  
EXETER OIL 17   FORAN 3   GAUNTT 3   GRACE 72  
EXP 1   FORBES 2   GAUTREAUX 1   GRACEY 1  
EXPANDO 67   FORCE 4 ENERGY 1   GAYLE 1   GRAGG 2  
EXPEX 1   FORCENERGY 2   GEDDIE 4   GRAHAM 382  
EXPLORATION 31   FORD 121   GEE 1   GRAMAC 1  
EXPLORATION DRILLING 1   FOREE 4   GEER 2   GRAMMAR 1  
EXPLORATION INVESTMENTS 1   FORES 1   GEIER-JACKSON 2   GRANDE 13  
EXPLORATION, LTD 1   FOREST 381   GEISE 3   GRANDIN 1  
EXPLORECO ENERGY 2   FORESTER 5   GEISELMAN 15   GRANITE 4  
EXPLORER 1   FORETICH 1   GEISER 54   GRANT 7  
EXPORT 10   FORGOTSON 1   GEM 8   GRARIDGE 22  
EXPRESS 3   FORMAN 2   GEMACA 1   GRASTY 2  
EXPRO 1   FORNEY 244   GEMARMI 3   GRAVIS 59  
EXSUN 32   FORT APACHE 1   GEMINI 9   GRAWARD 1  
EXTEX 1   FORT BEND 16   GENERAL AMERICAN OIL 18   GRAY 39  
EXXETER PETROLEUM 20   FORT WORTH 1   GENERAL ATLANTIC 1   GRAY WOLFE 2  
EXXON 2139   FORTENBERRY 6   GENERAL CRUDE 261   GRAYBURG 6  
EZZELL 14   FORTRESS MINERALS 4   GENERAL PETROLEUM 2   GREAT BASINS 13  
F & B ENERGY 2   FORTSON 1   GENERAL PROD. 7   GREAT EXPECTATION 2  
F C D 3   FORTUNE 1   GENERAL WELL 3   GREAT LAKES 29  
F F A 2   FOSS 2   GENESIS 137   GREAT NATIONAL 1  
F G B 2   FOSSIL BAY 5   GEO ENERGY 5   GREAT PLAINS 6  
F-W OIL 1   FOSSIL EXPLORATION 19   GEO EXPLORATION 3   GREAT SOUTHERN 2  
FAGAN 5   FOSTER 14   GEO FOCUS 1   GREAT SOUTHWEST 1  
FAGIN 1   FOUCH 1   GEO NATURAL 2   GREAT SOUTHWESTERN 1  
FAIN 9   FOUNDATION OIL 2   GEO-REEF 2   GREAT STATES 3  
FAIR 199   FOUNTAIN 8   GEO-SOURCE 1   GREAT TEXAS 5  
FAIRVIEW 1   FOUR STAR 1   GEOCHEMICAL 66   GREAT TEXAS CRUDE 24  
FAIRWAY 9   FOUR-B TRUST 31   GEODE 4   GREAT WEST PET. 3  
FAITH 1   FOURTEEN-HUNDRED CORPORATION 1   GEODOMINION PETROLEUM 43   GREAT WESTERN 15  
FALCO 2   FOWELL 1   GEODYNAMICS 72   GREATHOUSE 2  
FALCON 57   FOWLER 1   GEOGRAPHIC 1   GREBIN 1  
FALCONE 1   FOX 76   GEOLOGICAL RESEARCH 21   GREEHEY 3  
FALLEY 5   FOXBOROUGH 1   GEONATURAL RESOURCES 8   GREEN 11  
FALLS 1   FRANCIS 5   GEOPHYSICAL 10   GREENBRIAR 1  
FALLS CITY 1   FRANCITAS 13   GEORGE 8   GREENBRIER 59  
FAMCOR 10   FRANK 1   GEOSEARCH 5   GREENHILL 5  
FANCHER 3   FRANKE 2   GEOSOUTHERN 7   GREENWOOD 2  
FANION 2   FRANKEL 14   GEOTEK 1   GREER 8  
FANSLER 1   FRANKFORT 15   GERALD 2   GREGG 50  
FANT 1   FRANKLIN 26   GERKER 1   GRELLING 16  
FAR 3   FRANKS 1   GERMANY 1   GRETA 6  
FAR WEST 3   FRANZ 3   GERNER 1   GREY WOLF 6  
FARAGSON 1   FRASER 7   GERODETTI 1   GRIFFIN 5  
FARENTHOLD 33   FRAZER 2   GERONIMO 40   GRIFFITH 7  
FARGASON 6   FRAZIER 76   GERTEX 1   GRIMES 13  
FARGO 34   FREDONIA 2   GES 5   GRIMM 6  
FARISH 3   FREEDMAN 11   GETTY 264   GRISHAM 1  
FARMERS 1   FREEMAN 48   GIBLIN 1   GRISINGER 1  
FARMOR 2   FREEPORT 1   GIBRALTAR 17   GROFF 1  
FARNEY 1   FREER 3   GIBSON 20   GROUP 9  
FARNSWORTH 3   FREMONT 10   GIDDENS 1   GROVER 2  
FARROW 1   FRENCH OIL 28   GIDEON 2   GROVER-MCKINNEY 1  
FARSON 1   FRENCH, L.D. 1   GIEBEL 2   GRUBB 48  
FASKEN 8   FRESNO 1   GIERHART 38   GRUBBS 1  
FASSY 1   FRIDAY 5   GIFFORD 8   GRUBSTAKE 1  
FAULK 3   FRIO 115   GILBERT 1   GRUSS 2  
FAYE 1   FRIO-TEX 65   GILBREATH 2   GRUY 18  
FAYETTE COUNTY 4   FROHNHOEFER 8   GILCHRIST 1   GUADALUPE 21  
FEAGIN 3   FRONTIER PETROLEUM 17   GILCREASE 85   GUARANTY 3  
FEAZEL 1   FROST 62   GILGER 12   GUARDIAN 25  
FECH 1   FRYER 1   GILL 30   GUENTHER 2  
FEDERAL INDUSTRIES 1   FULK 2   GILLAND 1   GUERNSEY 20  
FEDERAL OIL 1   FULLER 54   GILLESPIE 39   GUEST 4  
FEDERAL ROYALTY 13   FULLERTON 5   GILLEY 1   GUFFEY 3  
FEE OIL & GAS 1   FULTON 4   GILLIAM 1   GUIBERSON 2  
FEHLHABER 1   FUNDAMENTAL OIL 3   GILLILAND 1   GUILBAULT 1  
FELAND 3   FURNELL 1   GILLOCK 1   GUINN 2  
FELDERHOFF 7   FURSE 1   GILLRING 107   GULF AMERICAN 16  
FELDMAN 20   FUSON 1   GILMORE 1   GULF BOARD OIL 22  
FELMONT 10   FUTCH 1   GILSTER 2   GULF CANADA 4  
FELTNER 5   FUTURE EXPLORATION 10   GINCO 4   GULF COAST 140  
FENDER 8   FUTURE PETROLEUM 4   GINGER 3   GULF ENERGY 92  
FENN 16   G & H 2   GINTHER 168   GULF INTERSTATE 11  
FENNER 1   G & M 3   GISSEL 1   GULF LAKES 1  
FENSTERMAKER 1   G & P 5   GIST 2   GULF MINERALS 37  
FERGUSON 61   G & S 1   GIVENS 1   GULF OIL 708  
FERRIER 4   G A P 5   GLACIER 85   GULF PLAINS 29  
FIDELITY 112   G A S 11   GLASCO 2   GULF PROD. 7  
FIELD 9   G C E A 5   GLASS 1   GULF RESOURCES 3  
FIELD DRILLING 2   G D ENERGY 1   GLASSCOCK 357   GULF SANDS 127  
FIELDS 13   G D K 3   GLASSEL 3   GULF SOUTH 12  
FIFTEEN 2   G E C 2   GLAZIER 1    
FIFTH ANDREWS 1   G H J 4   GLENCO 14    
FIKES 3   G H R 50   GLENDA 11    
FILON 12   G L G ENERGY 8   GLENN 22    
Operators(536): GULF STATES - K D ENERGY
Operator Count   Operator Count   Operator Count   Operator Count  
GULF STATES 52   HASSELMAN 1   HONOLULU 1   INLAND OCEAN 52  
GULF STREAM 12   HAUSER 14   HONOR 1   INLAND PETROLEUM 2  
GULF TIDE 1   HAVENS 1   HOOD 2   INMAN 1  
GULFBOARD 2   HAWK 1   HOOKER 2   INTEGRAL 100  
GULFCO 1   HAWKEYE 2   HOOKS 2   INTEGRATED OPERATOR 3  
GULFPORT 2   HAWKINS 115   HOOPER 3   INTER-ALLIED 1  
GULFSHORE 18   HAWLEY 76   HOOVER 39   INTERCOASTAL 30  
GULFSIDE 1   HAWN 312   HOPE 31   INTERCONTINENTAL 3  
GULFSTAR 22   HAWORTH 2   HOPE HILL 1   INTERGRATED 1  
GULFSTREAM 25   HAWTHORN 15   HOPE PRODUCTION 1   INTERNATIONAL 12  
GULFTON OIL 1   HAWTHORNE 6   HOPEHILL 7   INTERNATIONAL NUCLEAR 14  
GUM HOLLOW 1   HAYDEN 11   HOPF 1   INTERNATIONAL OIL & GAS 14  
GURLEY 1   HAYES 10   HOPI 3   INTERNATIONAL WESTERN 3  
GUTHRIE 3   HAYNES 84   HOPPER 1   INTERSTATE MINERALS 10  
GUTIERREZ 11   HAYNESWORTH 1   HOPSON 10   INTEX 6  
GYPSY 1   HAYPEC 7   HORIZON 5   INTRAMERICAN 11  
H & H 3   HAYS 20   HORMACHEA 1   INTREPID 6  
H & H DEVELOPMENT 1   HAZEL 2   HORN 100   INVESTEX 1  
H & H DRILLING 2   HAZELETT 4   HORNADAY 2   INVESTMENT VENTURES 3  
H & J DRILLING 263   HAZLITT 1   HORNBECK 2   INVESTORS NATURAL GAS 1  
H & M 4   HEAD 6   HORNBERGER 5   INVESTORS SYNDICATE OF SOUTHWEST 8  
H & N 1   HEAD & WELSH 34   HORNE 3   INVINCIBLE 1  
H & R 1   HEADINGTON 57   HORNER 2   IOWA-PAYNE 1  
H & S 10   HEADWATERS 2   HORNSBY 1   IRBY 3  
H & W 7   HEARD 27   HORRIGAN 4   IRENE 4  
H A J J 7   HEARTLAND 3   HORSTING 3   IRISH OIL 8  
H C M 2   HEBERT 5   HORTON 2   IRVING 7  
H C W 3   HECAR 1   HORVATH MILLS 1   IRWIN 9  
H D & H 4   HEDGE 22   HOSKINS 15   ISBELL 1  
H D C 1   HEDLEY 11   HOTCHKIN 19   IVEY TERRY 1  
H E & D 1   HEDRICK 5   HOU-TEX 16   IVY 3  
H E A 1   HEEMANN 1   HOUCHINS 1   J & C 59  
H E C I 13   HEEP OIL 167   HOUGEN 1   J & D 2  
H G I 3   HEID 7   HOUGH 7   J & E 1  
H L B 1   HEINZE 2   HOUSE 1   J & J 1  
H M C 1   HELDENFELS 14   HOUSER 27   J & M WELL SERVICE 14  
H M S 5   HELIS 6   HOUSH 29   J & W OIL 1  
H N G 188   HELLAND 37   HOUSTON 11   J A H 72  
H O R 1   HELMERICH 7   HOUSTON DOMESTIC 4   J B H 1  
H P R 1   HELVETIA 2   HOUSTON DRILLING 4   J B OIL & GAS 1  
H R B OIL 2   HEMINGWAY 10   HOUSTON ENERGY 3   J F D 3  
H R H 3   HEMPHILL 1   HOUSTON EXPLORATION 43   J H 1  
H S RESOURCES 4   HENDERSON 24   HOUSTON GULF 53   J H I 1  
H T H 1   HENDRICKSON 2   HOUSTON INDEPENDENT 1   J I L 5  
H V DRILLING 1   HENNA 1   HOUSTON MINERAL 10   J J 1  
H-M OIL 156   HENNIG 4   HOUSTON NATURAL GAS 113   J J R S 1  
HAAS 205   HENNINGER 1   HOUSTON OIL 417   J L RESOURCES 2  
HABER 24   HENRY 30   HOUSTON OIL & MINERALS 128   J M C RESOURCES 2  
HABERLE 2   HENSCH 2   HOUSTON OIL FIELDS 6   J M G FINANCIAL 1  
HADA 80   HENSHAW 145   HOUSTON OIL WELL SERVICE 7   J M M ENERGY 3  
HADEN 2   HENSON 5   HOUSTON OPERATING 3   J O C OIL 1  
HAGAN 6   HERCULES 8   HOUSTON PETROLEUM 24   J R B 1  
HAGEN 40   HERD 2   HOUSTON ROYALTY 33   J R G 24  
HAGEN-GREENBRIAR 1   HERITAGE 14   HOWARD 40   J R OIL & GAS 1  
HAGENS 11   HERLION 7   HOWELL 715   J S & P OPERATING 1  
HAGGARD 1   HERNDEN 3   HOWETH 154   J S PETROLEUM 2  
HAGGARTY 1   HERNDON 16   HOXSEY 12   J T R 3  
HAIL 5   HERRING 28   HRBUTZ 1   J W P EXPLORATION 1  
HAILEY 14   HERRINGTON 8   HUB CITY 1   J W R 12  
HAJECATE 3   HERSCHAP 7   HUBBARD 4   J-3 OIL 53  
HALAMICEK 6   HERSCHBERGER 1   HUBBLE 10   J-O'B OPERATING 5  
HALBOUTY 146   HERTON 1   HUBCO 2   J-W 41  
HALL 4   HERZSTEIN 1   HUBER 94   J-WIL 2  
HALL-HOUSTON 9   HESTER 10   HUBER, J.H. 1   J.A.H 1  
HALLIBURTON 7   HETCO 6   HUBER, J.M. 9   JACKSON 22  
HALLMARK 5   HEWIT & DOUGHERTY 281   HUDDLE 10   JACOB 1  
HALLS CREEK 1   HEWITT 49   HUDGENS 4   JACOBS 14  
HALLWOOD 5   HEYNE 1   HUDGINS 13   JAD OIL 2  
HAMBLEN 1   HEYSER 9   HUDSON 22   JADE 6  
HAMBY 2   HIAWATHA 230   HUENERS 1   JAMES ENERGY 1  
HAMCO 3   HIAWATHA(HOLLIDAY) 2   HUFF 2   JAMESON 2  
HAMILL 211   HIBBERT 18   HUFFCO 23   JAMEX 53  
HAMILTON 91   HIBERNIA 1   HUFFINGTON 21   JAMIN 15  
HAMM 6   HICKEY 1   HUFFMAN 1   JANAN 10  
HAMMAN 141   HICKOK 30   HUGHES 893   JANCO 2  
HAMMAX 1   HICKS 10   HUGHEY 6   JANE OIL 1  
HAMMER 2   HIDALGO 3   HUISACHE 109   JANEX 2  
HAMMONDS 20   HIDALGO-WILLACY 3   HULSEY 5   JARBE 1  
HAMON 322   HIGGINS 3   HULVER 2   JARMAN 1  
HAMPTON 3   HIGH ISLAND 6   HUMBLE 5503   JARMON 1  
HANCO OIL & GAS 1   HIGH PLAINS 10   HUMPHERY 8   JARRELL 3  
HANCOCK 8   HIGHLAND OIL 77   HUMPHREY 1   JAY-DEE 21  
HANCORP 1   HIGHLAND RESOURCES 16   HUMPHRIES 16   JAY-LIN 6  
HAND 3   HILBURN 2   HUNDRED 2   JAYCO 3  
HANEY 1   HILCORP 24   HUNE 1   JAYRED 2  
HANKAMER 67   HILL 230   HUNT 490   JEDCO 5  
HANKEY 5   HILLCREST 26   HUNT HASSIE EXPL. 1   JEDSCO 1  
HANNA 1   HILLIARD 56   HUNTER 30   JEFFERS 1  
HANNAH 2   HILLIER 60   HUNTINGTON 5   JEFFERSON LAKE 25  
HANOVER 14   HILLIN 1   HURBROUGH 8   JEFFRIES 1  
HANSLIP 5   HILLMAN 2   HURD 71   JENKINS 4  
HANSON 391   HILLSMAN 20   HURLBUT 22   JENNEY 3  
HANTHO-NELSON 1   HILLSMAN-GREENBURG 1   HURLEY 4   JENNINGS 98  
HANTON 1   HILTY 19   HURT 3   JERCO 2  
HARBERT 1   HIME 1   HUSKY 23   JERGINS 87  
HARBOR 1   HINDS 5   HUTCHINS 15   JERGINS OF TEXAS 5  
HARDIE 1   HINER 3   HUTSON 1   JET 7  
HARDIN 11   HINES 4   HYDEN 3   JETCO 1  
HARDING 18   HINKLE 25   HYDRO-CARBONS 10   JETSTREAM 1  
HARDWICK 29   HINSON 15   HYDROCARBON EXPLORATION 1   JETTA 1  
HARDWICKE 10   HINTON 16   HYDROCARBON GATHERING 14   JILPETCO 1  
HARDY 1   HISTORICAL 2   HYDROCARBON HORIZONS 9   JIMCO 1  
HARGEST 3   HIXON 2   HYDROCARBON MGMT. 1   JOBST 4  
HARGIS 9   HOBBY 4   HYDROCARBON OPERATING 6   JOCELYN 2  
HARGRAVE 27   HOBLITTZELLE 1   HYDROCARBON PROD 2   JOCELYN-VARN 58  
HARGROVE 4   HOBLITZELLE 1   HYDROCARBON PROD. 17   JOHANSON 2  
HARING 130   HOBSCO 3   HYDROCARBON TRANSMISSION 1   JOHNSON 114  
HARKEN 8   HODGE 9   HYLAND 1   JOHNSTON 30  
HARKINS 591   HODGES 1   HYNES 15   JOJON 1  
HARLEY 3   HOFFER 5   HYQUEST 67   JOLLEY 1  
HARMON 1   HOFFMAN 1   HYSO 1   JONES 159  
HARMONY 5   HOFHEINZ 1   HYTECH 13   JONES CREEK 1  
HARPER 43   HOGAN 5   I M C 4   JONNELL 25  
HARPER HEFTE 44   HOLBERT 1   I M E F 1   JORDAN 14  
HARPER, SAM H. 1   HOLBROOK 5   I O C 8   JOSEY 59  
HARPER-SMITH 28   HOLCOMB 1   I O G 2   JOYCE 2  
HARRELL 50   HOLDEN 22   I P PETROLEUM 9   JOYCE & HILTY 16  
HARRELL & SOUTHWORTH 15   HOLEMAN 1   I T R 2   JUANITA 1  
HARRINGTON 2   HOLIDAY RESOURCES 13   IBERIA 1   JUDARTH 2  
HARRIS 21   HOLLAND 93   ICARUS 6   JUDD 3  
HARRIS-FUNK 1   HOLLIDAY 7   IDAHO 3   JUPITER 15  
HARRISON 201   HOLLIMON 53   ILLINOIS PETROLEUM 26   JUSTISS-WEARS 1  
HARRISON, DAN J., JR. 7   HOLLIS 2   IMPACT 1   K & A 21  
HARROB 1   HOLLOWAY 53   IMPERIAL 15   K & H 55  
HARROUN 2   HOLLUB 26   INCA 22   K & K 2  
HARRUS 6   HOLLY 68   INCO 1   K & N 1  
HART 20   HOLMES 55   INDEPENDENCE 2   K & S 2  
HARTEX 1   HOLOTIK 2   INDEPENDENT 22   K B 34  
HARTMAN 1   HOLT 2   INDEXGEO 41   K C 1  
HARVARD 2   HOLTZCLAW 1   INDIOLA 2   K C S 28  
HARVEY 47   HOMA 4   INDUSTRIAL 16   K D ENERGY 1  
HARWOOD 48   HOMABY 7   INEXCO OIL 91    
HASBRO 1   HOME 22   INGRAM 1    
HASCHKE 4   HONCHO 8   INLAND 39    
HASEMAN 1   HONDO 2   INLAND EXPLORATION 1    
Operators(536): K L S - MARLAND
Operator Count   Operator Count   Operator Count   Operator Count  
K L S 1   KRAAK 2   LECUNO 2   LYDA 1  
K M D 2   KRAFTEX 2   LEDGE 1   LYLES 9  
K O G OPERATING 24   KRAGSETH 2   LEDLOW 2   LYMAN 88  
K O T 1   KRASNER 7   LEE 63   LYMAN DAMASCUS 2  
K P EXPLORATION 13   KRAUSE 1   LEECO 1   LYMAN(TEXON) 1  
K R M 18   KRCHNAK 1   LEEDE 7   LYMAN, C.V. 1  
K T X 4   KRENEK 2   LEFEVRE 6   LYNAL 1  
K W B 1   KRESCENT 1   LEGACY 57   LYNBROOK 4  
K-2 1   KRITI 1   LEGEND 6   LYNCH 34  
K-N OPERATING 6   KRUEGER 1   LEGER 12   LYNCO 3  
KA-HUGH 24   KRUIDENIER 1   LEHMERTZ 1   LYND 10  
KA-MATT 3   KRUSEN 1   LEMARCO 17   LYNDEL 1  
KADANE 2   KRYSTAL-LIN 1   LENSGRAF 1   LYNN 8  
KAISER OIL 13   KUBELA 1   LENT 1   LYNTON 1  
KAISER-FRANCIS 29   KUEBLER 1   LEONA 1   LYNX 5  
KALER ENERGY 69   KUENSTLER 8   LEONARD 18   LYONS 51  
KALLIES 1   KUHNS 3   LEONE 2   LYTLE CREEK 5  
KALLINA 44   KUMLER 10   LEPOVITZ 1   M & B 5  
KALON 1   KUNETKA 1   LERN 2   M & F D C 1  
KALSEA 1   KUYPCO 2   LES TEXAS 3   M & G OPERATING 5  
KAMLOK 11   KUYPERS 13   LESH 9   M & R EXPLORATION 1  
KANE 3   KYLE 1   LESKO 1   M & S 1  
KANEB 2   L & A ENERGY 4   LESS 1   M & W 15  
KANELLOS 1   L & B OIL 12   LEUSCHNER 1   M C A 20  
KANSAS 1   L & F 10   LEVERIDGE 6   M C O R 7  
KARBUHN 2   L & L PETROLEUM 72   LEVINSON 1   M C OIL 9  
KARCHER 2   L & M 1   LEVY 1   M C S 2  
KARNCO 5   L & T 1   LEWIS 197   M C Z 10  
KARNES 4   L & W 2   LEWIS PETRO 16   M G EXP 8  
KARSTEN 76   L B N 3   LEXINGTON 2   M G F 60  
KASAN 2   L G D C 7   LEY 13   M G U 2  
KATE 1   L G J 6   LIBERTY 23   M H 2  
KATZ 293   L L T 1   LICO 2   M IV OPS 2  
KAULBACH 9   L M N 5   LIEBMAN-GIBSON 2   M J C 2  
KAYE 3   L M P 8   LIFESTYLE 19   M J G 38  
KAYLIN 1   L N R 1   LIGHT 3   M K 24  
KEAHEY 10   L R F 1   LIGHTHOUSE 7   M K N 4  
KEARNEY 1   L TEXAS 37   LIGHTNING 70   M L 1  
KEATOR 1   L V O 1   Lignite 1   M L C 1  
KEBO 162   L X EXPLORATION 1   LILES 1   M L RESOURCES 5  
KECK 4   LA CAMPBELL 3   LIMES 3   M M C 2  
KEEHAN 2   LA COASTAL 21   LIMESTONE 3   M P G 12  
KEEL 1   LA GLORIA 293   LINCOLN 2   M P PETROLEUM 1  
KEEMAC 4   LA GORCE 6   LINDA 1   M P S 74  
KEENE 5   LA HOLLO 5   LINDEMUTH 1   M R EXPLORATION 1  
KEETON 1   LA JET 4   LINDER 6   M R T 1  
KEFT OIL 1   LA JITA 8   LINDHOLM 16   M W J 5  
KEG 11   LA JOLLA 4   LINGEN 23   M W PETROLEUM 10  
KEGLEY 1   LA JOYA 1   LINK 8   M W R 1  
KELJIKAN 4   LA NELLE 2   LINK OIL &GAS 1   M-G GAS CO 1  
KELLER 2   LA PARITA 9   LINKENHOGER 1   M-L INC. 2  
KELLEY 12   LA PRYOR 2   LINNE 6   M-TEX 7  
KELLY 31   LA ROCA RESOURCES 1   LION 14   M-V 6  
KELPETRO 8   LA ROSA 16   LIPAN 2   MABEE 21  
KELSEY 21   LA RUE 2   LIPSCOMB 9   MABRY 2  
KELSO 3   LA SALLE 8   LISSIE 1   MAC DRILLING 6  
KEMP 2   LA TERRE 3   LITTLE 70   MAC'S DRILLING 5  
KEMPER GLICK 1   LAB OIL 21   LITTLE GIANT 4   MACDIARMID 1  
KEN 54   LABELLE 3   LITTLEFIELD 2   MacDONALD 19  
KEN-KAN 2   LACAL 19   LITTLEPAGE 1   MACEO 8  
KENDALL 7   LACEY 19   LITTLETON 1   MACERO 23  
KENERGY 3   LACK 2   LIVE OAK 12   MACHII-ROSS 15  
KENNARD 45   LACY 46   LIVELY 45   MACHIN 3  
KENNE 1   LADD 133   LIVINGSTON 2   MACK 3  
KENNECOTT 1   LAGARTO 1   LLOG 1   MACKEY 9  
KENNEDY 9   LAGERQUIST 4   LLOYD 8   MACKHANK 55  
KENNON 1   LAGO 4   LOBAR 2   MACLANE 1  
KENTEX 3   LAGUNA 1   LOBO 90   MACNAUGHTON 1  
KENYON 16   LAHOMA 1   LOCAL 10   MACPET 17  
KEPLEY 9   LAIN 1   LOCHRIDGE 2   MACQUEST 1  
KEPLINGER 1   LAIRD 1   LOCKE 2   MADDOX 2  
KEPPLER 1   LAKE 11   LOCKHART 186   MADDUX 5  
KERN 1   LAKE RONEL 15   LOCO 1   MADERA 8  
KERNS 5   LAKEVIEW 1   LOFCO 2   MADRID 17  
KERR-MCGEE 34   LAKEWOOD 15   LOFFLAND 9   MADRONE 3  
KEWANEE OIL 9   LAMMERTS 2   LOFLIN 3   MAER 1  
KEY 2   LAMONT 2   LOGUE 244   MAGALIS 1  
KEYSTONE 7   LANCE 6   LOHMAN 1   MAGEE 2  
KGMH 1   LAND RESOURCES 6   LOKEY 1   MAGGERT 6  
KIBBE 19   LANDA 1   LOMA ALTA 1   MAGNA 3  
KIDD 25   LANDES 3   LOMA OIL 10   MAGNETIC 1  
KIEL 36   LANDMARK 1   LOMA VERDE 1   MAGNOLIA 1921  
KILGORE 37   LANDRESS 4   LOMAC 1   MAGNUM 50  
KILGORE & COFFEE 1   LANDRETH 9   LOMACK 1   MAGUIRE 164  
KILGORE-TURNER 1   LANDRUM 6   LOMAK 9   MAIN 3  
KILLAM 949   LANG 44   LONDON PETROLEUM 2   MAJESTIC 3  
KILLINGER 1   LANGHAM 6   LONE OAK 3   MAJO 3  
KILLINGSWORTH 1   LANIER 1   LONE STAR 316   MAJOR 16  
KILMARNOCK 2   LANKARD 1   LONG 29   MALLARD 7  
KILROY 173   LANN 2   LONG BROTHERS 8   MALLORY 1  
KIMBALL 3   LANNING 3   LONG TRUSTS 1   MALOMAR 1  
KIMBARK 1   LANNING-COFFIELD 1   LONGHORN 83   MAN-GAS 2  
KIMBELL 2   LANTANA 15   LOONEY 2   MANA 30  
KIMMEL 1   LAPIS 1   LOPEZ 1   MANAHAN 7  
KIMMELL 5   LAPO 1   LORDSTONE 1   MANCO 42  
KIMMEY 41   LARCO 2   LOS GATOS 17   MANDARIN 16  
KIN-ARK 2   LAREDO 2   LOS NIETOS 5   MANECO 3  
KING 124   LAREDO ENERGY 5   LOTT 1   MANETAS 1  
KING-HOARD 1   LAREDO WATER WORKS 1   LOU LITTLE 2   MANFORTH 3  
KING-TEX 3   LARIO 10   LOUDON 13   MANFRED 11  
KINGDOOR 1   LARKINS 2   LOUIS DREYFUS 65   MANGES 45  
KINGWOOD 24   LAROCA 1   LOUISANA GAS 3   MANGUM 19  
KINLAW 4   LAROCA RESOURCES 5   LOUISANA LAND 1   MANLER 1  
KINLEY 2   LAROCO LLP 16   LOUISIANA CAMPBELL ENERGY 1   MANLEY 44  
KINNEAR 2   LARON 4   LOUISIANA GENERAL PETROLEUM 11   MANNING 12  
KINS 7   LARS 1   LOUISIANA LAND & EXPL 15   MANOR 10  
KINSEL 1   LARSEN 2   LOUISIANA NATURAL 1   MANRY 2  
KINSEY INTEREST 3   LARUE 2   LOUISIANA OIL REFINING 1   MANTI 58  
KIOWA 11   LAS TECAS 1   LOVE 6   MANTLE 1  
KIRBY 105   LASITER 1   LOVE & SUN 1   MAPCO 5  
KIRK 2   LASMO ENERGY 1   LOVELADY 57   MAPLES 1  
KIRKPATRICK 108   LATIMER 2   LOWE 16   MAR 4  
KIRKSMITH 4   LATTNER 12   LOWER COLORADO RIVER AUTHORITY 2   MAR-TEX 2  
KIRKWOOD 589   LAUGHLIN 43   LOWMAR 3   MARALO 6  
KIRKWOOD & MORGAN 1   LAUREL 8   LOWRANCE 1   MARAN 6  
KISSINGER 9   LAURITZEN 11   LP OPERATING 2   MARATHON 79  
KLABZUBA 8   LAVACA 7   LU-TEX 4   MARCELL 1  
KLEBERG 3   LAWBAR 45   LUBBOCK COTTON 2   MARCH 1  
KLEIN 1   LAWLER 2   LUCAS 1   MARDAM 13  
KLEINER 7   LAWLESS 9   LUCEY 6   MARGO 2  
KLING 20   LAWLOR 7   LUCK PETROLEUM 1   MARIAH 3  
KLOSTER 1   LAWRENCE 2   LUCKY 6   MARINE 19  
KLOTZMAN 25   LAWSON 1   LUETH 1   MARINE GATHERING 2  
KNICKERBOCKER 1   LAY 2   LUHN 1   MARINER 2  
KNIGHT 3   LAYNE TEXAS 10   LUKER 1   MARINO 6  
KNOTT 1   LAZARUS 1   LULING 148   MARION 25  
KNOX 2   LE CUNO 6   LULOC 2   MARK IV 43  
KOBA 4   LEACH 7   LUNDBERG 38   MARK PRODUCING 4  
KOCH 1   LEAHY 4   LUNDELL 23   MARKHAM 1  
KODIAK 2   LEAKE 1   LUNDELLS 23   MARKS 28  
KOENIG 2   LEAR 13   LUNDIN 1   MARLAND 1  
KOLLMAN 1   LEARY 1   LURA 1    
KOSAREK 6   LEATHERWOOD 1   LUSK 2    
KOSSA 1   LEBEN 1   LUSKEY 1    
KOTTICK 1   LECHE 1   LUTTES 1    
Operators(536): MARLEX - ODOM
Operator Count   Operator Count   Operator Count   Operator Count  
MARLEX 1   McWILLIAMS 5   MONTE CHRISTO 3   NESSLY 5  
MARLIN 5   McWOOD 2   MONTECITO 1   NETH 1  
MARLINE 9   MEAD 2   MONTEGO 9   NETH & SCHORSCH 1  
MARMADUKE 6   MEADERS 2   MONTEREY 14   NETHERLAND 1  
MARQUEE 101   MEADOW VIEW 2   MONTERREY 35   NETTLECOMBE 1  
MARR 4   MEANS 7   MONTGOMERY 3   NETWORK 1  
MARRIOTT 1   MEBANE 4   MOODY 19   NEUHAUS 79  
MARSH 65   MECEY 1   MOORE 193   NEUMANN 1  
MARSHALL 55   MECO 8   MOORINGSPORT 5   NEUMIN 147  
MARSTON 4   MECOM 90   MOOSE 27   NEW 1  
MARTEX 4   MED-TEX 6   MORAN 56   NEW CENTURY 15  
MARTIN 192   MEDALLION 7   MORCO 3   NEW HORIZON 1  
MARTIN-BAKER 3   MEDDERS 5   MORELAND 1   NEW HORIZONS 1  
MARTINETS 1   MEEK 2   MOREOIL 1   NEW SEVEN FALLS 5  
MARTS 1   MEEKER 39   MORGAN 590   NEW ULM 4  
MARYE 5   MEEKS 1   MORGAN-GULF 4   NEW-TEX 2  
MARYLAND 19   MEGA 1   MORLAS 1   NEWFIELD 4  
MARZO 2   MEGAHAN 3   MORMAC 256   NEWFIELD EXPLORATION 79  
MASCOT 14   MEGO 4   MORRE 1   NEWGULF 3  
MASIRAN 2   MEJLAENDER 2   MORRIS 33   NEWHALL 2  
MASON 26   MELBA 43   MORRISON 9   NEWITT 18  
MASS ENERGY 1   MELLARD 1   MORROW 1   NEWMAN 188  
MASSENGILL 2   MELLON 32   MORSE 4   NEWMONT 3  
MASSEY 2   MELMERICH 1   MORSEY 11   NEWPORT 4  
MASSINGILL 61   MELTON 2   MORTCO 1   NEWTON 55  
MASTEN 2   MEMORIAL EXPLORATION 1   MORTEX 3   NICCO 2  
MASTERSON 3   MENGDEN 28   MORTIMER 79   NICHOLLS 1  
MATADOR 2   MENGER 1   MORTON 3   NICHOLS 7  
MATAGORDA 12   MERCURY 16   MOSBACHER 245   NICHOLSON 3  
MATHEWS 3   MEREDITH 79   MOSELEY 21   NICKEL 1  
MATHIS 1   MERIDIAN 63   MOSELLE 1   NICKLOS 7  
MATLOCK 2   MERIT 16   MOSS 29   NIELSEN 4  
MATRIX 1   MERREN 2   MOSS & ADAMS 1   NIMROD 1  
MATTHEWS 4   MERRICK 28   MOSS & WATSON 4   NIX 1  
MATTKE 1   MERRITT 13   MOSSER 81   NIXON 12  
MATZINGER 29   MERY 1   MOTCO 3   NOACK 1  
MAUCH 1   MESA 37   MOTEX 43   NOAKE 1  
MAUDLOWE 2   MESA CHICA 2   MOTI 1   NOBB 2  
MAURER 1   MESQUITE 14   MOTT 7   NOBLE 45  
MAVERICK 35   MESSENGER 1   MOULDEN 1   NOBLESON 13  
MAXIMA 6   MESSER 15   MOULTON 7   NOLA OIL & GAS 1  
MAXUS 10   MESSERS CO. 4   MOUND 26   NOLAN 1  
MAXWELL 11   MESTENA 56   MOUNT 8   NOLEN 8  
MAY 36   METALS SERVICE 11   MOUNTAIN TOWNSITE 1   NOMECO 4  
MAYAN 1   METANO ENERGY 7   MOWINCKLE 6   NOR-AM 4  
MAYCO 1   METCO 3   MOWINKLE 11   NOR-MAC-BURNS 1  
MAYFAIR 53   METRO 1   MS GUIDANCE 1   NORANDA 4  
MAYFIELD 15   METROPOLITAN OIL 8   MUDGE 5   NORBLA 1  
MAYNARD 36   METTS 1   MUELLER 230   NORCEN 1  
MAYNE 4   MEYERS 28   MUGG 1   NORCOFF 1  
MAYO 34   MIAMI 20   MULE 2   NORCROSS 1  
MAYS 1   MICHAEL 124   MULLE 3   NORDAN 22  
MAZURICK 1   MICHAUX 39   MULTI-ENERGY 1   NORDIC 2  
McALESTER 13   MICHEL 2   MULVER 1   NORDSTRAND 1  
McALISTER 1   MICHELSON 21   MUNDY 1   NOREMAC 6  
McALL 3   MID AMERICA 2   MUNN 1   NORINO 1  
McALPIN 3   MID COAST 3   MUNSON 3   NORMANDIE 5  
McBEE 13   MID CONTINENTAL 1   MURCHISON 20   NORMANDY 14  
McBRAYER 1   MID GULF 2   MURCO 1   NORRIS 20  
McBRIDE 107   MID KANSAS 1   MURDICK 1   NORSWORTHY 14  
McCABE 56   MID-AMERICAN 24   MUREXO 6   NORTEX 21  
McCAIN 1   MID-CENTURY 3   MURLYNSON 9   NORTH 2  
McCALEB 15   MID-CONTINENT 25   MUROC 1   NORTH AMERICAN 109  
McCAMERON 1   MID-STATES 2   MURPHEY 26   NORTH CENTRAL 177  
McCAMEY 1   MID-TEXAS 7   MURPHY 20   NORTH PADRE EXPL 2  
McCANDLESS 1   MIDAS 3   MURRAY 25   NORTH PETTUS 14  
McCARRICK 56   MIDDLETON 10   MURRELL 1   NORTH ROSS OIL 1  
McCARTER 38   MIDHURST 19   MURRY 1   NORTH SHORE 7  
McCARTHY 96   MIDLAND 40   MUSS 5   NORTH STAR 13  
McCARTY 1   MIDSTATES 86   MUSSELMAN 29   NORTH TEXAS 5  
McCLAIN 71   MIDTEX 1   MUSTANG 69   NORTHERN MICHIGAN 7  
McCLUNG 3   MIDWAY 26   MUSTEEN 7   NORTHERN NATURAL 10  
McCOLLUM 7   MIDWEST 81   MUTEX 1   NORTHERN ORDINANCE 9  
McCOMBS 8   MIERS 1   MUTUAL OIL 6   NORTHERN PUMP 116  
McCONNELL 1   MIHOVAL 1   MYER 1   NORTHSTAR 3  
McCORD 43   MIKTON 3   MYERS 5   NORTHWEST ARKANSAS 1  
McCORMICK 172   MILAGRO 10   N E G 6   NORTHWEST OIL 4  
McCRACKEN 2   MILAM 14   N F C PETROLEUM 1   NORTON 55  
McCRIGHT 2   MILES 8   N F OIL 1   NOUVELLE 1  
McCULLOCH 17   MILESTONE 22   N G C ENERGY 1   NOVA ENERGY 2  
McCULLOUGH 7   MILHAM 1   N M-YATES 1   NOVUS OIL 1  
McCURDY 20   MILLER 304   N P ENERGY TEXAS 12   NOVUS OIL & GAS 1  
McCUTCHIN 6   MILLER & DONZIS 1   N P U UNION PRODUCING 1   NOYES 1  
MCDADE 1   MILLER & FOX 29   N R G 6   NU-ENAMEL 1  
McDANIEL 4   MILLER & PIERCE 25   N R M 3   NU-SAN 5  
McDANNALD 39   MILLICAN 77   N R M C 1   NUCORP 49  
McDERMOTT 37   MILLS 1   N S T 1   NUECES COMPANY 11  
McDONALD 23   MILLSAP 9   NAFCO 2   NUECES MINERALS 4  
McDONNOLD 2   MILNER 7   NAILS CREEK 1   NUECES OIL 15  
McDOUGAL 2   MILO 1   NAIVAR 1   NUECES RESERVES 2  
McDOWELL 3   MILTEX 5   NANJO 1   NUECES ROYALTY 7  
McDRILLING 2   MIM 11   NAPECO 9   NUECO 1  
McELVAIN 8   MIN-TEX 3   NARECO 1   NUEVE 13  
McFADDEN 8   MINAHAN 1   NARMCO 1   NUGENT 6  
McFADDIN 1   MINDEN 8   NASA 1   NUGGET 46  
McFARLAND 38   MINER 14   NASH 2   NULL 87  
McFARLANE 33   MINERAL DEVELOPMENT 1   NATIONAL ASSOCIATED 5   NUTECH 1  
MCGAHEY 1   MINERAL PROJECTS 2   NATIONAL BULK 2   NUTEX 3  
McGALLIARD 10   MINERAL RESOURCES 1   NATIONAL DRILLING 3   O G P OPERATING 7  
McGARR 43   MINERALS EXPLORATION 1   NATIONAL ENERGY 4   O H B 8  
McGEHEE 1   MINERALS OF TEXAS 2   NATIONAL EXPLORATION 41   O K WELL SERVICE 2  
McGLOTHLIN 1   MINTON 4   NATIONAL GULF 1   O S R 1  
McGOLDRICK 3   MINUTEMAN 1   NATIONAL INVESTOR 1   O'BRANNON 1  
McGORICK-SMITH 1   MIRADA 4   NATIONAL OIL 29   O'BRYNE 1  
McGOWAN 12   MIRAMAR 41   NATIONAL ONSHORE 6   O'BYRNE 2  
McGREGOR 14   MIRANDO CRUDE 1   NATIONAL OPERATING 1   O'CONNOR 4  
McGUFFIN 10   MISSION 11   NATIONAL PETROLEUM 5   O'DONNELL 1  
McGUIRE 1   MISSION RESOURCES 1   NATIONAL PIPE & SUPPLY 1   O'HERN 10  
McHENRY 1   MISSION RIVER 6   NATIONAL RESOURCES 3   O'HORNETT 4  
McHUGH 5   MITCHAMORE 7