| GOULD JR E ALLEN | 16171 | CUSHING | 1 | 1 |
| GOULD OIL INC | 14398 | WICHITA | 1 | 1 |
| GOW ENERGY LLCActive | 25128 | CLAREMORE | 29 | 1 |
| GPB LP | 21935 | CARROLLTON | 0 | 0 |
| GPM GAS CORPORATION | 18527 | OKLAHOMA CITY | 0 | 0 |
| GRACE 7 OPERATING LLC | 24487 | DALLAS | 0 | 0 |
| GRACE ENERGY MANAGEMENT INCActive | 24226 | CEMENT | 70 | 2 |
| GRACE LEE | 17243 | WICHITA FALLS | 1 | 1 |
| GRACE PETROLEUM LP | 21047 | ODESSA | 1 | 1 |
| GRACE PRODUCTION CO INC | 16374 | ENID | 0 | 0 |
| GRADY DRAKE STAMPS REV TRUSTActive | 24914 | BLANCAHRD | 1 | 1 |
| GRADY FARMS INCActive | 23933 | — | 0 | 0 |
| GRAGG F E "GENE" | 21999 | AGRA | 2 | 1 |
| GRAHAM OIL AND GAS LTD | 8192 | COVINGTON | 0 | 0 |
| GRAHAM-MICHAELIS CORPORATION | 870 | WICHITA | 98 | 12 |
| GRAM OIL CO | 17033 | BARTLESVILLE | 0 | 0 |
| GRAMMER HARVEY | 5019 | ARDMORE | 0 | 0 |
| GRAMMER PACKER SERVICE LLC | 21846 | ARDMORE | 0 | 0 |
| GRANADA EXPLORATION LLC | 24346 | EDMOND | 3 | 2 |
| GRAND ENERGY CORPORATION | 21452 | EDMOND | 2 | 1 |
| GRAND ENERGY INC | 16825 | DALLAS | 1 | 1 |
| GRAND MESA OPERATING COMPANY | 24244 | WICHITA | 1 | 1 |
| GRAND OPERATING INC | 19306 | ADDISON | 5 | 2 |
| GRAND PRODUCTION COMPANY | 12995 | OKLAHOMA CITY | 6 | 4 |
| GRAND RESOURCES INCActive | 8702 | TULSA | 204 | 12 |
| GRANDSTAFF EMILY M | 15882 | HOUSTON | 0 | 0 |
| GRANITE LIMITED | 16313 | PAMPA | 1 | 1 |
| GRANITE OIL & GAS INC | 19565 | PHOENIX | 1 | 1 |
| GRANITE PARTNERSHIP LTD | 14820 | PAMPA | 0 | 0 |
| GRANT PETROLEUM CORPORATION | 14641 | HORSESHOE BAY | 11 | 3 |
| GRASEN ENERGY INC | 7310 | AMARILLO | 4 | 2 |
| GRASS ROOTS PETROLEUM CORP | 19263 | OKLAHOMA CITY | 8 | 1 |
| GRAVES J M | 879 | TULSA | 8 | 4 |
| GRAVES JOHN G OIL PROP INC | 12055 | TULSA | 4 | 1 |
| GRAVES OIL COMPANY | 878 | ARDMORE | 8 | 2 |
| GRAVES OIL INC | 19558 | ARDMORE | 4 | 1 |
| GRAVES OPERATING | 20878 | PERRYTON | 0 | 0 |
| GRAVES ROGER K | 13355 | ARDMORE | 4 | 3 |
| GRAVES ROGER PAULActive | 24963 | HASKELL | 3 | 1 |
| GRAVITT JOHN M | 17827 | CINCINNATI | 0 | 0 |
| GRAVITY WATER MIDSTREAM OPERATING LLC | 24677 | LUBBOCK | 3 | 3 |
| GRAVLEE & COMPANY INC | 19760 | TULSA | 0 | 0 |
| GRAVLEY BILL | 8037 | DUNCAN | 0 | 0 |
| GRAY ALLAN INC | 13893 | ASHER | 0 | 0 |
| GRAY B D | 18635 | DUNCAN | 0 | 0 |
| GRAY BAR RESOURCES INC | 20025 | PAWHUSKA | 37 | 1 |
| GRAY ENERGY CORP | 14622 | DALLAS | 2 | 1 |
| GRAY ENERGY INC | 12861 | YUKON | 4 | 2 |
| GRAY EXPLORATION INC | 11545 | DUNCAN | 1 | 1 |
| GRAY FOX OPERATING COMPANY | 8497 | TULSA | 1 | 1 |
| GRAY HORSE PROPERTIES INC | 12945 | OKLAHOMA CITY | 0 | 0 |
| GRAY LLOYD ENERGY INC | 15751 | OKLAHOMA CITY | 5 | 1 |
| GRAY MUD DISPOSAL LLC | 23175 | KREMLIN | 0 | 0 |
| GRAY OIL AND GAS INC | 20039 | STROUD | 0 | 0 |
| GRAY OPERATING COMPANY INC | 4673 | ARDMORE | 31 | 6 |
| GRAY PIPELINE INC | 9167 | BROOMFIELD | 3 | 2 |
| GRAY ROD & HAZEL | 13880 | BARTLESVILLE | 1 | 1 |
| GRAY STEVEN E | 21513 | ADA | 0 | 0 |
| GRAY-MCRAN OIL EXPLORATION INC | 10577 | CLEVELAND | 2 | 1 |
| GRAYHORSE OPERATING INCActive | 20814 | TULSA | 53 | 6 |
| GRAYROCK ENERGY, LLCActive | 24469 | FORT WORTH | 37 | 2 |
| GRAYSON OPERATING LLCActive | 21875 | ADA | 154 | 6 |
| GREAT BEAR EXPLORATION INC | 18110 | OKLAHOMA CITY | 0 | 0 |
| GREAT EAGLE DRILLING COMPANY | 14888 | OKLAHOMA CITY | 0 | 0 |
| GREAT HORNED OWLS, LLCActive | 25056 | PAMPA | 1,696 | 26 |
| GREAT NORTHERN GAS CO | 16320 | DENVER | 3 | 1 |
| GREAT NORTHERN GAS COMPANY | 19941 | DENVER | 0 | 0 |
| GREAT PLAINS ENERGY CORP | 14589 | TULSA | 19 | 10 |
| GREAT PLAINS OIL & GAS | 18387 | ADA | 5 | 2 |
| GREAT PLAINS OPERATING INC | 16454 | BRISTOW | 6 | 1 |
| GREAT PLAINS PETROLEUM INC | 19972 | ERIE | 2 | 1 |
| GREAT PLAINS PIPELINE COMPANY | 8329 | TULSA | 39 | 15 |
| GREAT SOUTHWESTERN EXPL INC | 7654 | TULSA | 3 | 1 |
| GREAT WESTERN DRILLING COMPANY | 885 | MIDLAND | 15 | 7 |
| GREAT WESTERN EQUIPMENT COActive | 5271 | MUSTANG | 2 | 1 |
| GREAT WESTERN LAND CO INC | 10181 | TULSA | 3 | 1 |
| GREAT WESTERN ONSHORE INC | 18018 | HOUSTON | 1 | 1 |
| GREATER OKLA LAND DEV INC | 12370 | TULSA | 2 | 2 |
| GREEHEY AND COMPANY LTD | 20988 | SAN ANTONIO | 7 | 1 |
| GREEN BILL | 19550 | HASKELL | 0 | 0 |
| GREEN COUNTRY EXPLORATION INC | 14609 | TULSA | 0 | 0 |
| GREEN COUNTRY PRODUCTIONS LTD | 14953 | GROVE | 2 | 1 |
| GREEN DAVID R AND MOLLY DBA 3T NGActive | 24746 | LAVERNE | 1 | 1 |
| GREEN ENERGY COMPANY | 11937 | OKMULGEE | 18 | 2 |
| GREEN ERIC C | 19984 | DALLAS | 0 | 0 |
| GREEN HORN OIL & GAS COMPANY | 20829 | ADA | 1 | 1 |
| GREEN JACK C | 888 | ADA | 0 | 0 |
| GREEN JOE T GAS COMPANY | 13716 | NOWATA | 0 | 0 |
| GREEN OPERATING COMPANY INC | 2511 | TULSA | 15 | 6 |
| GREEN RIVER EXPLORATION CO | 17363 | TULSA | 2 | 2 |
| GREEN RIVER OPERATING CO INC | 20437 | NOBLE | 2 | 2 |
| GREEN RIVER RESOURCES INCActive | 19718 | KEYSTONE | 1 | 1 |
| GREEN SMITH ENERGY LPActive | 25158 | GLENPOOL | 21 | 1 |
| GREEN SPECIALTY COMPANY | 5236 | OKLAHOMA CITY | 0 | 0 |
| GREEN STAR RESOURCES INC | 22705 | HOUSTON | 0 | 0 |
| GREEN VALLEY DISPOSAL SERV LLCActive | 21442 | ALVA | 1 | 1 |
| GREEN WELL SERVICE | 22652 | KEIFER | 0 | 0 |
| GREEN WELL SERVICE INC | 15564 | JENKS | 0 | 0 |
| GREEN WILLIAM G | 15871 | JENKS | 15 | 4 |
| GREEN'S DRILLNG & MUD SER INC | 17567 | KONAWA | 4 | 2 |
| GREENE ALLEN | 20787 | HEALDTON | 0 | 0 |
| GREENE DAVID L INC | 13793 | BARTLESVILLE | 0 | 0 |
| GREENE DAVID L. OPERATING CO | 15695 | BARTLESVILLE | 0 | 0 |
| GREENFIELDS OPERATING LLCActive | 24607 | TULSA | 14 | 2 |
| GREENHEAD ENERGY OPERATING LLCActive | 24428 | OKLAHOMA CITY | 100 | 13 |
| GREENLEE OIL AND GAS LLCActive | 19917 | NORMAN | 17 | 8 |
| GREENTREE ENERGY DEVELOPMENT LLCActive | 22177 | COPPELL | 126 | 2 |
| GREENWOOD ENERGY INC | 15806 | OKLAHOMA CITY | 7 | 5 |
| GREENWOOD HOYET | 5451 | FAYETTEVILLE | 2 | 1 |
| GREENWOOD JANETActive | 18491 | MANNFORD | 1 | 1 |
| GREENWOOD LON C | 17522 | COLLINSVILLE | 0 | 0 |
| GREENWOOD OIL & GAS | 15763 | PONCA CITY | 0 | 0 |
| GREENWOOD OIL COMPANY | 6757 | SKIATOOK | 0 | 0 |
| GREENWOOD OIL COMPANY | 896 | SKIATOOK | 0 | 0 |
| GREER & BECKHAM GAS CO INC | 14987 | SHAMROCK | 16 | 1 |
| GREER DAVID D | 18400 | PRAGUE | 1 | 1 |
| GREER FAMILY TRUST | 20888 | PONCA CITY | 1 | 1 |
| GREER KENNETH E | 17916 | MOUNDS | 0 | 0 |
| GREER OIL COMPANY | 10622 | MOUNDS | 4 | 1 |
| GREER TOM R | 12097 | PONCA CITY | 6 | 4 |
| GREEVER F MACK | 19209 | CLAREMORE | 0 | 0 |
| GREG DAVIS INVESTMENTS INCActive | 21817 | EDMOND | 17 | 1 |
| GREG HALL OIL & GAS LLCActive | 21902 | NORMAN | 45 | 5 |
| GREGG OIL COMPANY | 17192 | DRUMMOND | 0 | 0 |
| GREGORY OIL COMPANY | 5873 | SPERRY | 0 | 0 |
| GREGORY ROBERT L | 20009 | BEGGS | 0 | 0 |
| GRELL MARK | 14095 | BRAMAN | 0 | 0 |
| GREYSTONE EXPLORATION CO | 17278 | OKLAHOMA CITY | 3 | 1 |
| GREYSTONE UNLIMITED OIL CO INC | 12674 | OKLAHOMA CITY | 1 | 1 |
| GRIBBLE JR R W | 10198 | DALLAS | 5 | 1 |
| GRIBBLE OIL CORPORATION | 15115 | DALLAS | 2 | 2 |
| GRIEBEL-VALLIQUETTE | 15891 | STROUD | 1 | 1 |
| GRIFFIN D A | 899 | CUSHING | 1 | 1 |
| GRIFFIN OIL | 13773 | SAPULPA | 4 | 1 |
| GRIFFIN OIL & GAS COMPANY | 11242 | DEL CITY | 1 | 1 |
| GRIFFIN RESOURCES LLCActive | 14815 | BRECKENRIDGE | 45 | 10 |
| GRIFFIN WELL SERVICEActive | 20613 | Konawa | 1 | 1 |
| GRIFFIN WELL SERVICE INCActive | 14733 | KONAWA | 19 | 1 |
| GRIFFITH PETROLEUM SERVICES INCActive | 21538 | KINGSTON | 4 | 1 |
| GRIGG JIM | 13983 | CLAREMORE | 7 | 1 |
| GRIGGS JOSH | 23229 | DEWEY | 4 | 1 |
| GRIGGS OIL LLC | 14693 | DEWEY | 0 | 0 |
| GRIGGS RONNIE RAY | 23809 | DEWEY | 0 | 0 |
| GRIGGS WALTER E | 18441 | SAPULPA | 2 | 1 |
| GRIMMETT CHARLES WActive | 19080 | MORRIS | 3 | 1 |
| GRISWOLD ENERGY LLCActive | 24735 | OOLOGAH | 34 | 1 |
| GRIZZLY ENERGY RESOURCES, L.L.C.Active | 25075 | Midland | 3 | 3 |
| GRIZZLY OPERATING LLC | 23638 | HOUSTON | 14 | 11 |
| GROOMS O B | 5760 | WEWOKA | 2 | 1 |
| GROOMS T D | 4497 | STILLWATER | 0 | 0 |
| GROSS JACK L PRODUCTION | 5366 | BORGER | 1 | 1 |
| GROUND DEVELOPMENT COMPANY INC | 19789 | DALLAS | 1 | 1 |
| GROUP T ENTERPRISES INC | 16751 | TULSA | 1 | 1 |
| GRS CAPITAL CORPORATION | 16193 | TULSA | 0 | 0 |
| GRS SERVICES LLCActive | 24991 | COALGATE | 9 | 1 |
| GRUBB F W "FOREST" | 13110 | GARBER | 1 | 1 |
| GRUBB RONALD J | 6382 | CLINTON | 7 | 3 |
| GRUENERWALD WM & ASSOC INC | 2461 | COLORADO SPRING | 36 | 4 |
| GRUS LLCActive | 24462 | OKLAHOMA CITY | 0 | 0 |
| GRYNBERG PETROLEUM COMPANY | 912 | GREENWOOD VGE | 1 | 1 |
| GUARANTEED OIL LEASE DEV INC | 12789 | OKMULGEE | 7 | 5 |
| GUARD DRILLING MUD DISPOSAL INCActive | 24803 | ENID | 0 | 0 |
| GUARDIAN RESOURCES INC | 17202 | WATONGA | 0 | 0 |
| GUEST PETROLEUM INCORPORATEDActive | 18534 | EDMOND | 24 | 6 |
| GUEST R E OIL PRODUCER | 13068 | EDMOND | 4 | 1 |
| GUGLI CORPORATIONActive | 356 | BYNG | 30 | 2 |
| GUILES JANET dba ABBI OIL | 23364 | CRESCENT | 1 | 1 |
| GUILFORD ENERGY INC | 15560 | BINGER | 0 | 0 |
| GUINCO OIL PROPERTY MGMT | 12060 | CLEVELAND | 2 | 1 |
| GUINN DAVID EActive | 6495 | CLEVELAND | 7 | 2 |
| GUINN NELDA F | 2872 | ASHER | 0 | 0 |
| GULF AMERICAN RESOURCES INC | 11630 | DALLAS | 27 | 2 |
| GULF EXPLORATION LLCActive | 20983 | OKLAHOMA CITY | 180 | 36 |
| GULF PRODUCTION CORPORATION | 18043 | OKLAHOMA CITY | 49 | 18 |
| GULF TEX OIL INC | 13984 | DALLAS | 1 | 1 |
| GULFPORT ENERGY CORP | 23989 | OKLAHOMA CITY | 1 | 1 |
| GULFPORT MIDCON LLCActive | 24020 | OKLAHOMA CITY | 274 | 3 |
| GULIHUR JACQUELYN | 17228 | PAULS VALLEY | 0 | 0 |
| GUMP INC | 20183 | SHAWNEE | 0 | 0 |
| GUMP LLC | 21052 | SHAWNEE | 0 | 0 |
| GUND STEPHEN F | 19298 | BROKEN ARROW | 5 | 1 |
| GUNGOLL CARL E ESTATE | 2574 | OKLAHOMA CITY | 4 | 2 |
| GUNGOLL CARL E OIL PROPERTIES | 13883 | ENID | 1 | 1 |
| GUNGOLL HENRY H. ASSOCIATES | 5514 | ENID | 0 | 0 |
| GUNKEL CHARLEY WAYNE REV INTER VIVOS TRUST | 13602 | SCHULTER | 0 | 0 |
| GUNPOWDER ENERGY LLC | 24722 | — | 2 | 1 |
| GUNSIGHT ENERGY INC | 11190 | FLOYDADA | 14 | 3 |
| GUNTER JIMActive | 19346 | SPRINGER | 3 | 1 |
| GUNVOR USA LLCActive | 25201 | Houston | 0 | 0 |
| GURLEY OPERATING COMPANY | 13079 | HENRYETTA | 0 | 0 |
| GUSHER OIL CORPORATION | 8718 | ADA | 0 | 0 |
| GUTHRIE HARRY & JAMES TIPPETTE | 16197 | VINITA | 1 | 1 |
| GUTHRIE RAYMOND L | 6150 | SEMINOLE | 0 | 0 |
| GW INVESTMENTS, LLCActive | 25144 | Mustang | 8 | 1 |
| GW OIL COMPANY LLC | 21840 | CLEBURNE | 0 | 0 |
| GW PETROLEUM INC | 7496 | HOUSTON | 2 | 1 |
| GYM RESOURCES INC | 12951 | TULSA | 0 | 0 |
| GYPSY DRILLING COMPAN INC | 16418 | HUTCHINSON | 8 | 1 |
| GYPSY EXPLORATION LLC | 21074 | OKLAHOMA CITY | 2 | 2 |
| GYPSYGLENN OIL COMPANY LLCActive | 24511 | TULSA | 58 | 9 |