| DEATON AUSTIN | 17318 | ADA | 0 | 0 |
| DEATON O C | 4768 | MORRIS | 0 | 0 |
| DEATON PAUL W | 21904 | CANEY | 0 | 0 |
| DEB OIL & GAS INC | 15330 | TULSA | 0 | 0 |
| DEBOIS J D ETAL | 580 | DUNCAN | 2 | 1 |
| DECALTA INTERNATIONAL CORP | 5224 | DENVER | 1 | 1 |
| DECEMBER GAS CO LLC | 22459 | SAND SPRINGS | 0 | 0 |
| DECK EXPLORATION INC | 11261 | PERRY | 9 | 3 |
| DECK OIL COMPANY | 2904 | TULSA | 64 | 12 |
| DECLEVA PAUL | 11852 | DALLAS | 2 | 2 |
| DECORTE CHADActive | 23842 | TULSA | 1 | 1 |
| DEDICA ENERGY CORPORATION | 16366 | MATTOON | 0 | 0 |
| DEE OKLAHOMA LLC | 23421 | FORT WORTH | 0 | 0 |
| DEE ROSE OIL CO INC | 10588 | ORANGE | 2 | 2 |
| DEE-JAY EXPLORATION COMPANY | 20763 | SANDPOINT | 8 | 3 |
| DEEP CREEK INC | 16795 | YUKON | 0 | 0 |
| DEEP ENERGY LLC | 22312 | OKLAHOMA CITY | 0 | 0 |
| DEEP ROCK ENERGY INC | 16668 | OKLAHOMA CITY | 22 | 5 |
| DEEP ROCK LAND & EXPLOR CO | 17627 | EDMOND | 0 | 0 |
| DEEP ROCK LLC | 19977 | TULSA | 8 | 2 |
| DEEP ROCK OIL COMPANY | 21354 | NORMAN | 0 | 0 |
| DEEPKO EXPLORATION COMPANY | 11005 | OKLAHOMA CITY | 1 | 1 |
| DEER CREEK ENERGY INC | 12614 | OKLAHOMA CITY | 1 | 1 |
| DEERING BILL | 18149 | YALE | 0 | 0 |
| DEF OPERATING LLC | 22849 | TULSA | 1 | 1 |
| DEG ENTERPRISES INC | 16764 | OKLAHOMA CITY | 1 | 1 |
| DEGGE FAMILY TRUST | 22202 | OKEMAH | 0 | 0 |
| DEGGE OIL FIELD SERVICE | 8004 | OKEMAH | 1 | 1 |
| DEGGE OILFIELD SERVICES LLCActive | 23631 | OKEMAH | 2 | 1 |
| DEHART COMPANY (THE) | 11992 | ARDMORE | 43 | 7 |
| DEI HERO PRODUCTION LLC | 21763 | WOODWARD | 0 | 0 |
| DEISENROTH M CRAIGActive | 12655 | TULSA | 17 | 3 |
| DEKA EXPLORATION INC | 17408 | OKLAHOMA CITY | 97 | 18 |
| DEL PETROLEUM COMPANY | 11728 | OKLAHOMA CITY | 0 | 0 |
| DEL PETROLEUM CORPORATION | 16905 | HOUSTON | 1 | 1 |
| DELCO OIL & GAS CO | 8416 | OKLAHOMA CITY | 0 | 0 |
| DELEK ENERGY SYSTEMS US INC | 22552 | DENVER | 0 | 0 |
| DELENCO INC | 12873 | HUTCHINSON | 14 | 1 |
| DELL CHARLES E | 5990 | CLEVELAND | 4 | 1 |
| DELMAC COMPANY | 12003 | DRUMRIGHT | 0 | 0 |
| DELONG MARY L ESTATE OF | 19628 | SAPULPA | 6 | 1 |
| DELONG OIL & GAS SERVICES, INC.Active | 13748 | CUSHING | 45 | 4 |
| DELONG RALPH J | 586 | SAPULPA | 0 | 0 |
| DELOZIER C G | 11543 | CHELSEA | 13 | 3 |
| DELOZIER C JOE | 14571 | CHELSEA | 0 | 0 |
| DELPHI OIL AND GAS LLCActive | 24243 | MACOMB | 2 | 1 |
| DELPHI RESOURCES INC | 14772 | TULSA | 0 | 0 |
| DELTA D OPERATIONS | 15415 | WILSON | 11 | 4 |
| DELTA D OPERATIONS INC | 19049 | ARDMORE | 12 | 3 |
| DELTA DEVELOPMENT INC | 14572 | OKLAHOMA CITY | 0 | 0 |
| DELTA FORCE ENERGY INC | 23027 | BROKEN ARROW | 1 | 1 |
| DELTA PETROLEUM CORPORATION OF COLORADO | 21171 | DENVER | 0 | 0 |
| DELTA PETROLEUM INC | 12020 | HOUSTON | 4 | 2 |
| DEM OPERATIONS INCActive | 15271 | LAMONT | 101 | 3 |
| DEMCO OIL & GAS COMPANYActive | 7223 | BLACKWELL | 124 | 1 |
| DEMEX ENERGY INC | 10332 | BETHANY | 5 | 2 |
| DEMIER OIL COMPANY | 589 | TULSA | 4 | 3 |
| DEMPSEY JOHN | 13163 | OKMULGEE | 0 | 0 |
| DEMPSEY TODD SHELTONActive | 25222 | SAND SPRINGS | 0 | 0 |
| DENALI OIL & GAS MANAGEMENT LLC | 23015 | HOUSTON | 0 | 0 |
| DENHAM DANNY D | 18641 | KELLYVILLE | 11 | 1 |
| DENHAM ENTERPRISES | 13101 | KELLYVILLE | 0 | 0 |
| DENHAM OPERATING COMPANY | 8046 | TULSA | 6 | 2 |
| DENISON OIL COMPANY INC | 15221 | TULSA | 0 | 0 |
| DENNETT'S INC | 20366 | ENID | 0 | 0 |
| DENNEY DON | 18867 | CITRUS HEIGHTS | 0 | 0 |
| DENNEY WILLIS | 11424 | BOYNTON | 0 | 0 |
| DENNI ENTERPRISES INC | 8271 | DRUMRIGHT | 7 | 3 |
| DENNIS & DAVIS OIL COActive | 21643 | NOCONA | 5 | 1 |
| DENNIS DON OIL COMPANY | 2552 | GRADY | 11 | 1 |
| DENNIS EQUIP CO INC | 19633 | PAWNEE | 0 | 0 |
| DENNISON GEORGE | 10362 | TULSA | 8 | 1 |
| DENNY PAUL T | 7229 | MORRISON | 6 | 1 |
| DENOVO OIL & GAS INC | 12073 | HOUSTON | 0 | 0 |
| DENOYA 38 LLC | 23894 | CLAREMORE | 0 | 0 |
| DENTON PAUL | 12132 | COWETA | 28 | 1 |
| DENTON RICHARD L & EDITH PActive | 20955 | BLACKWELL | 11 | 2 |
| DENTONVILLE OIL CO | 16429 | BEGGS | 0 | 0 |
| DENYER ROBERT G | 12978 | EDMOND | 0 | 0 |
| DEPCO INC | 594 | DENVER | 28 | 5 |
| DERAE OIL COMPANY | 12465 | SEMINOLE | 3 | 3 |
| DERBY EXPLORATION LLCActive | 24143 | OKC | 44 | 2 |
| DERNICK RESOURCES INC | 14573 | HOUSTON | 1 | 1 |
| DEROSA OIL COMPANY INC | 11917 | SHAWNEE | 2 | 2 |
| DERRICK RESOURCES INCActive | 16028 | HENRYETTA | 44 | 11 |
| DERVIN LEE | 17719 | STROUD | 0 | 0 |
| DESERT ENERGY CORPActive | 24328 | SURPRISE | 2 | 1 |
| DESERT STAR PETROLEUM CO | 6620 | OKLAHOMA CITY | 0 | 0 |
| DESHAZO PRODUCTION COMPANY | 3550 | DEWEY | 20 | 3 |
| DESHIELDS GARYActive | 15688 | ATWOOD | 1 | 1 |
| DESHIELDS OIL & GAS INC | 13825 | OKEMAH | 11 | 2 |
| DESPAIN ENERGY ASSOCIATES INC | 7648 | OKLAHOMA CITY | 13 | 7 |
| DESTIN CORPORATION | 16153 | ENID | 0 | 0 |
| DESTIN RESOURCES INC | 18646 | DALLAS | 0 | 0 |
| DETA INC | 17043 | BROKEN ARROW | 0 | 0 |
| DETECTOR OIL COMPANY | 14574 | VERNON | 0 | 0 |
| DETRITAL OIL | 10171 | PAULS VALLEY | 95 | 13 |
| DETTE OIL CORPORATION | 17411 | OKLAHOMA CITY | 6 | 4 |
| DEVIKA PETROLEUM LLC | 24199 | SAN ANTONIO | 0 | 0 |
| DEVON ENERGY CORP (NEVADA) | 6023 | OKLAHOMA CITY | 33 | 15 |
| DEVON ENERGY OPERATING CORP | 19345 | OKLAHOMA CITY | 0 | 0 |
| DEVON ENERGY PRODUCTION COMPANY LPActive | 20751 | OKLAHOMA CITY | 1,482 | 25 |
| DEVON LOUISIANA CORPORATION | 20442 | OKLAHOMA CITY | 10 | 7 |
| DEVON RESOURCES CORPORATION | 16712 | JENKS | 7 | 5 |
| DEVON SFS OPERATING INC | 18708 | OKLAHOMA CITY | 18 | 8 |
| DEWBLAINE ENERGY LLCActive | 24441 | HOUSTON | 0 | 0 |
| DEWEY ENERGY GP LLC | 24027 | HOUSTON | 0 | 0 |
| DEWITT DAVID C | 21456 | GLENCOE | 0 | 0 |
| DEXXON INCActive | 16835 | KIEFER | 675 | 9 |
| DFL INC | 17424 | HOUSTON | 0 | 0 |
| DFP OIL COMPANY | 8418 | TULSA | 16 | 1 |
| DI ENERGY INC | 11113 | HOUSTON | 3 | 3 |
| DI EXPLORATION | 14560 | OKLAHOMA CITY | 0 | 0 |
| DIABLO OIL CO INC | 12400 | DRUMWRIGHT | 3 | 3 |
| DIAMOND A INC | 17985 | TULSA | 5 | 3 |
| DIAMOND B COMPANY INC | 18526 | TULSA | 3 | 1 |
| DIAMOND B DRILLING CO INC | 18750 | TULSA | 0 | 0 |
| DIAMOND CHEMICALS CO | 3450 | AMARILLO | 0 | 0 |
| DIAMOND CROSS OIL CO LLCActive | 21880 | PONCA CITY | 8 | 1 |
| DIAMOND ENERGY COMPANY | 10658 | THE WOODLANDS | 1 | 1 |
| DIAMOND ENERGY INC | 17051 | MUENSTER | 3 | 3 |
| DIAMOND ENERGY OPERATING CO | 16608 | SKIATOOK | 11 | 5 |
| DIAMOND ENERGY PARTNERS LLCActive | 23629 | COLLINSVILLE | 14 | 1 |
| DIAMOND ENERGY SERVICES LLC | 23363 | TULSA | 5 | 1 |
| DIAMOND HARRY H INC | 597 | SHAWNEE | 10 | 3 |
| DIAMOND K OIL & GAS INC | 14575 | MIDWEST CITY | 4 | 2 |
| DIAMOND M OPERATING LLCActive | 25111 | KINTA | 27 | 3 |
| DIAMOND M PETROLEUM CORP | 17454 | AFTON | 0 | 0 |
| DIAMOND OIL & GAS PROD INC | 12987 | TULSA | 0 | 0 |
| DIAMOND PACIFIC OPERATING LLC | 22245 | DAVIS | 0 | 0 |
| DIAMOND PETROLEUM EQUIPT INC | 12719 | OKLAHOMA CITY | 0 | 0 |
| DIAMOND PRODUCTION & EXPLORATION LLC | 22269 | EDMOND | 4 | 2 |
| DIAMOND PRODUCTION COMPANY LLC | 19757 | IRVING | 0 | 0 |
| DIAMOND PRODUCTION COMPANY LLCActive | 22071 | DEL CITY | 0 | 0 |
| DIAMOND S ENERGY COMPANY | 23053 | FORT WORTH | 0 | 0 |
| DIAMOND S PRODUCTION INC | 12810 | KONAWA | 2 | 2 |
| DIAMONDBACK-DISPOSAL LLC | 21906 | OKLAHOMA CITY | 1 | 1 |
| DIAMONDHEAD RESOURCES INC | 12556 | EDMOND | 1 | 1 |
| DIANA RUTH HOGGARD DBA MADIA OIL & GASActive | 25084 | Fox | 0 | 0 |
| DIANE OIL COMPANYActive | 17588 | OKLAHOMA CITY | 16 | 3 |
| DIARAJ ENERGY CORP | 12500 | OKLAHOMA CITY | 0 | 0 |
| DIASU OIL & GAS COMPANY INC | 10949 | HOUSTON | 0 | 0 |
| DICKENS DEVELOPMENT | 8626 | SAPULPA | 2 | 1 |
| DICKENS JAMES L | 14884 | SAPULPA | 1 | 1 |
| DICKERSON CARRIE B | 14604 | CLAREMORE | 0 | 0 |
| DICKERSON CURTIS | 20444 | DUNCAN | 0 | 0 |
| DICKERSON DENNISActive | 24673 | VELMA | 173 | 6 |
| DICKERSON JIM | 16123 | CLAREMORE | 29 | 4 |
| DICKERSON OILActive | 17506 | Ada | 11 | 2 |
| DIEHL JAMES | 16106 | NEWKIRK | 0 | 0 |
| DIEKER PETROLEUM COMPANY INC | 14657 | BARTLESVILLE | 0 | 0 |
| DIEPENBROCK LYNN | 19928 | DUNCAN | 0 | 0 |
| DIGGER OIL & GAS INCActive | 4080 | PRAGUE | 5 | 3 |
| DILCO A PARTNERSHIP | 11575 | ENID | 0 | 0 |
| DILLARD DOUGLAS C | 12212 | ARDMORE | 0 | 0 |
| DILLARD JR A R | 18048 | WICHITA FALLS | 0 | 0 |
| DILLARD JR A R INC | 2825 | WICHITA FALLS | 23 | 7 |
| DILLARD JR A W | 12507 | MIDLAND | 0 | 0 |
| DILLEY CORP | 10342 | YALE | 1 | 1 |
| DILLINGHAM JEANNE G | 20542 | TULSA | 1 | 1 |
| DILLINGHAM RANCH LC | 17316 | TULSA | 1 | 1 |
| DIMEBOX PETROLEUM CORPORATION | 12756 | OKLAHOMA CITY | 0 | 0 |
| DIMMITT N CHOATE | 15971 | WICHITA FALLS | 0 | 0 |
| DIMOCK PETROLEUM | 15762 | DALLAS | 1 | 1 |
| DINECO EXPLORATION INC | 14092 | OKLAHOMA CITY | 1 | 1 |
| DINGES JASON | 21739 | HAYS | 8 | 1 |
| DINK INC | 17759 | GLENCARBON | 0 | 0 |
| DINSMORE C E | 6224 | ENID | 51 | 15 |
| DIRICKSON OIL & GAS INC | 10761 | TULSA | 14 | 8 |
| DISCOVER RESOURCES | 17189 | NORMAN | 2 | 1 |
| DISCOVER RESOURCES LLCActive | 19958 | NORMAN | 42 | 2 |
| DISCOVERY ENERGY INC | 17704 | TULSA | 0 | 0 |
| DISCOVERY GEOSERVICES CORP | 15847 | GARLAND | 5 | 2 |
| DISCOVERY NATURAL RESOURCES LLC | 21433 | DENVER | 2 | 1 |
| DISCOVERY OPERATING INC | 21673 | MIDLAND | 11 | 2 |
| DISPOSAL SOLUTIONS PARTNERS LLCActive | 23221 | OKEMAH | 2 | 1 |
| DISPOSAL SYSTEMS LLCActive | 24184 | OKLAHOMA CITY | 3 | 2 |
| DISTRICT DISPOSAL LLC | 23080 | CENTER | 2 | 1 |
| DITCO ENERGY LLC | 21827 | OKLAHOMA CITY | 0 | 0 |
| DIVERSE OPERATING COMPANY | 19746 | SAN ANTONIO | 0 | 0 |
| DIVERSE PRODUCTION CO | 19364 | SAN ANTONIO | 0 | 0 |
| DIVERSIFIED OIL & GAS EXPL INC | 17602 | OKLAHOMA CITY | 1 | 1 |
| DIVERSIFIED PROD SERVICES INC | 15978 | TULSA | 14 | 3 |
| DIVERSIFIED PRODUCTION LLCActive | 24780 | OKLAHOMA CITY | 3,985 | 21 |
| DIVERSITY PETROLEUM LP | 22302 | ROCKWALL | 0 | 0 |
| DIVINE ENERGY, LLCActive | 25175 | WICHITA | 53 | 2 |
| DIVINE OIL EXPL INC | 11276 | FORT SMITH | 14 | 6 |
| DIVINE OIL MANAGEMENT LLC | 23938 | OOLOGAH | 0 | 0 |
| DIXIE OIL COMPANY INC | 18073 | MOORE | 19 | 9 |
| DIXIE OPERATING COMPANY | 15802 | SPRING | 1 | 1 |
| DIXIE PETROLEUM INC | 16271 | CASHION | 15 | 6 |
| DIXON DAVIDActive | 21282 | OKMULGEE | 34 | 2 |
| DIXON J C | 12683 | OKMULGEE | 7 | 1 |
| DIXON KENNETH & GEORGIA | 11408 | SAPULPA | 0 | 0 |
| DIXON OIL | 12398 | PERRY | 1 | 1 |
| DJS ENERGY CORP | 17312 | KERRVILLE | 0 | 0 |
| DKT ENERGY LLC | 22023 | EDMOND | 1 | 1 |
| DL RESOURCES LLC | 23614 | BOWLING GREEN | 0 | 0 |
| DLB ENERGY CORPORATION | 8703 | OKLAHOMA CITY | 28 | 15 |
| DLB EQUITIES LLC | 20450 | OKLAHOMA CITY | 1 | 1 |