| SHEBESTER RALPH | 18787 | WYNNEWOOD | 0 | 0 |
| SHED OIL COMPANY | 13074 | OKLAHOMA CITY | 0 | 0 |
| SHEETS GEORGE M & JUDITH A | 17855 | TONKAWA | 1 | 1 |
| SHELBURNE OIL COMPANY | 1981 | OKLAHOMA CITY | 2 | 2 |
| SHELBY ENERGY | 12014 | DALLAS | 10 | 2 |
| SHELBY RUSSELL | 12154 | WALTERS | 17 | 1 |
| SHELL OIL COMPANY | 1982 | HOUSTON | 738 | 48 |
| SHELL WESTERN EXPL & PROD INC | 12423 | HOUSTON | 30 | 4 |
| SHELLY ANNE COBLENTZ | 25167 | Checotah | 0 | 0 |
| SHELLY ENERGY INC | 6905 | BERWYN | 7 | 2 |
| SHELTON ALEC & GLENDA | 20459 | KIEFER | 1 | 1 |
| SHELTON BROTHERS | 16834 | OKMULGEE | 0 | 0 |
| SHELTON DEMPSEY LActive | 11885 | GLENPOOL | 37 | 1 |
| SHELTON DEMPSEY W | 6997 | TULSA | 31 | 1 |
| SHELTON JOHN M INC | 10598 | HALLSVILLE | 0 | 0 |
| SHELTON OIL COMPANY LLCActive | 8238 | COLLINSVILLE | 73 | 2 |
| SHELTON OIL RESOURCES LLC | 21664 | TULSA | 10 | 1 |
| SHELTON RESOURCES INC | 11533 | TULSA | 18 | 2 |
| SHENANDOAH OIL INC | 17175 | FORT WORTH | 0 | 0 |
| SHEPARD JAMES | 10029 | BEGGS | 1 | 1 |
| SHEPHERD ENERGY INC | 10449 | COLLINSVILLE | 0 | 0 |
| SHEPPARD POOL OPERATING LLCActive | 24472 | MORRIS | 89 | 2 |
| SHERI-DI PRODUCTION COMPANY | 1986 | TULSA | 3 | 2 |
| SHERIDAN PRODUCTION COMPANY LLC | 22220 | HOUSTON | 64 | 8 |
| SHERMAN LARRY OIL COMPANY | 17297 | CHANDLER | 6 | 2 |
| SHERMAN OIL & GAS CO INC | 12214 | CHANDLER | 13 | 3 |
| SHERMAN OIL & GAS, L.L.C.Active | 21909 | CHANDLER | 29 | 3 |
| SHERRILL BOB G | 6296 | TULSA | 12 | 3 |
| SHERRY'S OIL COMPANY | 19474 | TERRAL | 1 | 1 |
| SHERTZER CHARLES F | 1989 | KILGORE | 2 | 2 |
| SHIDELER ENTERPRISES INCActive | 19585 | DRUMRIGHT | 6 | 3 |
| SHIDLER WELL SERVICE | 18942 | VINITA | 6 | 1 |
| SHIDLER'S DRILLING & SERVICE | 13514 | ADAIR | 1 | 1 |
| SHIELD OPERATING COMPANY INC | 15943 | GEORGETOWN | 3 | 1 |
| SHIELDS COOPER | 11406 | BONITA SPRINGS | 0 | 0 |
| SHIELDS COOPER | 11773 | TULSA | 0 | 0 |
| SHIELDS ENERGY INC | 19290 | FORT SMITH | 17 | 6 |
| SHIELDS OPERATING INC | 20721 | FORT SMITH | 31 | 10 |
| SHIELDS VIRGINIAActive | 8776 | KELLYVILLE | 6 | 1 |
| SHIELDS WELL SERVICE CORP | 18550 | STROUD | 5 | 3 |
| SHILOH E HALLActive | 24995 | OKMULGEE | 18 | 1 |
| SHILOH PRODUCTIONS | 18275 | WELCH | 4 | 1 |
| SHIPMAN JAMES E dba LAZY J OIL COActive | 16136 | HALLETT | 22 | 2 |
| SHIPMAN OIL COMPANY | 13778 | TULSA | 0 | 0 |
| SHIPMAN OLIVER | 14911 | SEMINOLE | 0 | 0 |
| SHIRLEY PAMELA OR JERRY | 20436 | STUART | 0 | 0 |
| SHO-BAR ENERGY INC | 16150 | LAVERNE | 7 | 2 |
| SHOCKLEY JIMMIE D | 21634 | MORRIS | 0 | 0 |
| SHOFFNER MINERALS LLCActive | 21357 | HENRYETTA | 5 | 2 |
| SHOFNER OIL COMPANY | 19749 | CUSHING | 0 | 0 |
| SHORELINE OPERATING LLCActive | 8503 | OKLAHOMA CITY | 129 | 15 |
| SHORES ENERGY SERVICES INC | 19084 | WILSON | 0 | 0 |
| SHORES OIL CORPORATIONActive | 21168 | ARDMORE | 1 | 1 |
| SHORNEY COMPANY THE | 10366 | OKLAHOMA CITY | 1 | 1 |
| SHORT CARL & PRICE JAMES CO | 1995 | ADDINGTON | 11 | 2 |
| SHORT OIL CO | 10542 | TULSA | 20 | 1 |
| SHORT OIL COMPANYActive | 20780 | TULSA | 17 | 4 |
| SHORT W D OIL COMPANY LLC | 22600 | OXFORD | 5 | 1 |
| SHORT W D REVOCABLE TRUST | 4695 | OXFORD | 21 | 2 |
| SHORTES ROBERT H RECEIVER | 16129 | ADA | 6 | 1 |
| SHORTGRASS PETROLEUM INCActive | 8613 | FOLLETT | 2 | 1 |
| SHOSHONE OIL AND GAS INC | 20003 | LINDSAY | 31 | 8 |
| SHOSHONE OIL COMPANY | 19343 | DALLAS | 1 | 1 |
| SHOUP WILLIAM G | 15799 | OOLOGAH | 0 | 0 |
| SHRIVER EARL J | 4263 | LAWTON | 107 | 1 |
| SHRIVER OPERATING LLCActive | 21655 | LAWTON | 24 | 1 |
| SHRIVER RAYMOND D | 15755 | CHELSEA | 0 | 0 |
| SHUCK LINDA SActive | 19966 | CHANDLER | 1 | 1 |
| SHULTS PETROLEUM CORPORATION | 19367 | MANNFORD | 3 | 1 |
| SHUR PETROLEUM INC | 15937 | PONCA CITY | 0 | 0 |
| SICKO JAQUETTA LENActive | 22306 | MULDOON | 1 | 1 |
| SID OIL & GAS PRODUCTION CO | 21151 | CALVIN | 0 | 0 |
| SIDWELL E C | 2808 | PAMPA | 0 | 0 |
| SIDWELL OIL & GAS INC | 2807 | AMARILLO | 13 | 5 |
| SIEGFRIED R H INC | 1999 | TULSA | 13 | 7 |
| SIERRA JOINT VENTURE #1 | 19775 | BURKBURNETT | 0 | 0 |
| SIERRA OILFIELD SERVICES INC | 16826 | TULSA | 0 | 0 |
| SIERRA RESOURCES INC | 20855 | OKLAHOMA CITY | 1 | 1 |
| SIEVERS HENRY L | 16174 | TULSA | 0 | 0 |
| SIGNAL HILL EXPL & PET INC | 18371 | DUNCAN | 4 | 1 |
| SIGNATURE EXPLORATION INC. | 18944 | SHAWNEE | 10 | 3 |
| SIKES OIL COMPANY INC | 12911 | VELMA | 5 | 2 |
| SILBERMAN A & M OIL | 2002 | OKLAHOMA CITY | 18 | 4 |
| SILL E L | 15452 | STROUD | 1 | 1 |
| SILVAN SUPPLY COMPANY | 2004 | DRUMRIGHT | 0 | 0 |
| SILVER CREEK OIL & GAS LLCActive | 22726 | FLOWER MOUND | 53 | 6 |
| SILVER EAGLE OIL COMPANY | 8578 | ADA | 1 | 1 |
| SILVER LAKE EXPLORATION | 10039 | PONCA CITY | 5 | 3 |
| SILVER PINES ENERGY CORP | 16734 | HOUSTON | 4 | 4 |
| SILVER STAR OF NEVADA INCActive | 24636 | OKLAHOMA CITY | 12 | 2 |
| SILVER STAR PRODUCTION CO | 17271 | MOORE | 0 | 0 |
| SILVER STATE RESOURCES CORP | 16654 | DENVER | 0 | 0 |
| SILVERADO OIL LTD | 17533 | ARDMORE | 8 | 2 |
| SILVERADO RESOURCES, LLCActive | 25043 | ELK CITY | 8 | 2 |
| SILVERRIDGE CORP | 14052 | VAN BUREN | 1 | 1 |
| SILVERTIN FARM PRODUCTION LLCActive | 21677 | POTEAU | 15 | 5 |
| SIMASKO PRODUCTION CO | 11615 | DENVER | 19 | 4 |
| SIMCO OPERATING | 18598 | SHAWNEE | 1 | 1 |
| SIMCOE OIL COMPANYActive | 10265 | SCOTTSDALE | 15 | 3 |
| SIMEX CORPORATION | 8406 | TALALA | 1 | 1 |
| SIMMONS DANNY DBA SIMMONS CONSTRUCTION | 22900 | CEMENT | 0 | 0 |
| SIMMONS DONALD M | 11268 | MUSKOGEE | 2 | 1 |
| SIMMONS EVELYN B TRUST | 19915 | BETHANY | 0 | 0 |
| SIMMONS EVELYN B-PER REPRESENT | 17766 | EDMOND | 2 | 1 |
| SIMMONS L B ENERGY INC | 16044 | HOUSTON | 41 | 2 |
| SIMMONS MACK MCCOYActive | 18949 | CEMENT | 55 | 2 |
| SIMMONS WILLIAM J | 21951 | OOLOGAH | 0 | 0 |
| SIMON JOSEPH W | 19579 | CARNEY | 0 | 0 |
| SIMON MICHAEL A | 21525 | CHANDLER | 0 | 0 |
| SIMON OIL COMPANY | 6796 | ARDMORE | 2 | 1 |
| SIMON ROYCE & JOYCE | 17620 | TECUMSEH | 1 | 1 |
| SIMON TRUCKING INCActive | 25125 | STROUD | 0 | 0 |
| SIMONS PETROLEUM INC | 7754 | OKLAHOMA CITY | 0 | 0 |
| SIMONS RAYMOND & KATHLEEN FAMILY TRUST | 18669 | NEWKIRK | 1 | 1 |
| SIMPSON & SIMPSON EXPL INC | 14791 | WETUMKA | 5 | 2 |
| SIMPSON BILL | 19519 | RATLIFF CITY | 0 | 0 |
| SIMPSON OIL & LAND COMPANY | 20411 | FORT WORTH | 0 | 0 |
| SIMPSON OIL AND GAS COMPANY | 13527 | HEALDBURG | 0 | 0 |
| SIMPSON ROBBYActive | 24526 | CARTER | 1 | 1 |
| SINGER JOSEPH B EXPL CO | 11534 | OKLAHOMA CITY | 3 | 1 |
| SINGER KAHAN & FLEISCHAKER | 3683 | TULSA | 0 | 0 |
| SINGER OIL CO LLCActive | 19769 | HENNESSEY | 182 | 17 |
| SINGER OIL COMPANY | 15726 | OKLAHOMA CITY | 6 | 4 |
| SINGER-FLEISCHAKER OIL OP CO | 3304 | OKLAHOMA CITY | 29 | 9 |
| SINGLE BARREL OIL AND GAS LLCActive | 25180 | Granbury | 43 | 3 |
| SIOSI OIL & GAS COMPANY | 3478 | TULSA | 92 | 9 |
| SIOUX OIL & GAS LLC | 21454 | DUNCAN | 0 | 0 |
| SISNEY STEVEN L | 22663 | SAPULPA | 1 | 1 |
| SITCO INC | 8053 | YUKON | 12 | 3 |
| SITES OPERATING & EXPL INC | 14705 | SCHULTER | 0 | 0 |
| SITES RONALD S | 14013 | SCHULTER | 0 | 0 |
| SIX "E" TRADING COMPANY | 16918 | HENRYETTA | 78 | 12 |
| SIX-M-OIL COMPANY | 10759 | TULSA | 0 | 0 |
| SJ OK OIL COMPANYActive | 21954 | DALLAS | 24 | 3 |
| SJM INC | 16552 | TULSA | 3 | 1 |
| SJU HOLDINGS LLCActive | 24848 | NORMAN | 35 | 1 |
| SK NEMAHA LLC | 24221 | HOUSTON | 13 | 2 |
| SK PLYMOUTH LLC | 23485 | HOUSTON | 7 | 2 |
| SK RESOURCES INC | 10348 | MUSKOGEE | 5 | 3 |
| SKAGGS BOB | 13107 | CHANDLER | 0 | 0 |
| SKAGGS BOB | 17047 | CARNEY | 0 | 0 |
| SKAGGS RESOURCES LLCActive | 24745 | SAPULPA | 11 | 1 |
| SKAW PRODUCTION CO INC | 16857 | HOUSTON | 0 | 0 |
| SKEE-JAC OIL & GAS | 10479 | OKLAHOMA CITY | 12 | 1 |
| SKEET OIL PRODUCTION LLCActive | 24639 | GRADY | 58 | 1 |
| SKYCAP ENERGY LLCActive | 24096 | OKLAHOMA CITY | 355 | 22 |
| SKYDEN OIL LLCActive | 25114 | DUNCAN | 0 | 0 |
| SL PETROLEUM LLC | 23936 | EDMOND | 0 | 0 |
| SLAP-JAK OIL & GAS CO | 13253 | TUTTLE | 0 | 0 |
| SLAVENS II PAUL RActive | 20862 | Tulsa | 80 | 2 |
| SLAWSON CLIFFORD RAY | 18276 | HEALDTON | 10 | 1 |
| SLAWSON DONALD C | 6164 | OKLAHOMA CITY | 92 | 18 |
| SLAWSON DONALD L | 10338 | HEALDTON | 87 | 21 |
| SLAWSON EXPLORATION CO INC | 17313 | OKLAHOMA CITY | 72 | 13 |
| SLAYDEN JAMES C | 22310 | TALALA | 3 | 1 |
| SLAYTON OPERATING LLCActive | 25274 | TULSA | 0 | 0 |
| SLEDGE OIL COMPANY | 18883 | DUNCAN | 0 | 0 |
| SLEDGE OLEN | 2017 | DUNCAN | 7 | 1 |
| SLEETH OPERATING CO | 10668 | DUNCAN | 11 | 1 |
| SLICK 5 LIMITED | 13963 | WEWOKA | 0 | 0 |
| SLICK OIL & GAS CO | 3066 | EDMOND | 3 | 3 |
| SLICK PRODUCTION INC | 15622 | TULSA | 49 | 5 |
| SLIM HOLE INCActive | 340 | FARMINGTON | 3 | 1 |
| SLOAN DONALD DBA ENERGEO RESOURCESActive | 24623 | TALALA | 23 | 1 |
| SLOAN OIL CORPORATION | 18742 | HUMBLE | 8 | 2 |
| SLOAN PETROLEUM SERVICE INCActive | 20074 | GUTHRIE | 32 | 8 |
| SLOAN PRODUCTION CO | 14853 | SAND SPRINGS | 4 | 2 |
| SLOCTER RAY | 16093 | CHELSEA | 32 | 1 |
| SLS OPERATING LLCActive | 23970 | SEMINOLE | 2 | 1 |
| SLT DAKOTA OPERATING INCActive | 22178 | OKLAHOMA CITY | 15 | 3 |
| SM ENERGY COMPANY | 21517 | TULSA | 66 | 12 |
| SM OIL & GAS INC | 21162 | SKIATOOK | 5 | 1 |
| SMALLWOOD GEORGE A | 16159 | TULSA | 1 | 1 |
| SMART EXPLORATION INC | 21110 | TULSA | 0 | 0 |
| SMART JR T J | 4466 | RYAN | 3 | 1 |
| SMART SERVICE & EQUIPMENT LLC | 19702 | MUSKOGEE | 0 | 0 |
| SMILEY DRILLING CO | 2022 | OKLAHOMA CITY | 4 | 2 |
| SMITH 1 & 2 PARTNERSHIP | 15302 | WESTLAKE VILLAG | 0 | 0 |
| SMITH A D | 5027 | BIG SPRINGS | 3 | 1 |
| SMITH A L | 2024 | DUNCAN | 11 | 3 |
| SMITH A N INTERESTS | 12059 | WALTERS | 0 | 0 |
| SMITH ALFRED DBA A-S OILActive | 23375 | WALTERS | 15 | 1 |
| SMITH BART OIL & GAS EXPL INC | 10060 | COUNCIL HILL | 7 | 1 |
| SMITH BOB W | 14929 | ARDMORE | 1 | 1 |
| SMITH BRADLEY D & PAUL C | 14073 | PAWHUSKA | 0 | 0 |
| SMITH BROTHERS ENTERPRISES | 6993 | ARDMORE | 4 | 3 |
| SMITH BURLEY | 23477 | KETCHUM | 0 | 0 |
| SMITH C W & ASSOCIATES INC | 7270 | OKLAHOMA CITY | 3 | 3 |
| SMITH CARL PRODUCTION | 15815 | STROUD | 1 | 1 |
| SMITH CHERYL AActive | 20094 | COPAN | 5 | 1 |
| SMITH CLAUDE W | 5122 | HENRYETTA | 1 | 1 |
| SMITH CONLEY P OPERATING CO | 19679 | EGLEWOOD | 8 | 5 |
| SMITH CONNIE M & SHERYLE | 20856 | CHELSEA | 3 | 2 |
| SMITH CURTIS INC | 18355 | LINDSAY | 0 | 0 |
| SMITH DARRINActive | 22719 | NOWATA | 6 | 1 |
| SMITH DAVID WActive | 22939 | WETUMKA | 1 | 1 |
| SMITH DOUG | 17270 | TULSA | 0 | 0 |
| SMITH DRILLING CO | 13099 | DEWEY | 1 | 1 |
| SMITH EDWARD F | 6776 | AVANT | 6 | 2 |
| SMITH ENERGY COMPANY LLC | 16426 | PURCELL | 4 | 2 |