| 5501 | Shortgrass Petroleum Inc | Laverne, OK 73848-0139 | Oil & Gas Operator | Aug 2024 |
| 5502 | Shoshone Oil And Gas Inc | Lindsay, OK 73052-0217 | Oil & Gas Operator | Jan 2020 |
| 5503 | Shriver Earl J | Lawton, OK 73507-5851 | Oil & Gas Operator | Aug 2013 |
| 5504 | Shriver Operating LLC | Lawton, OK 73507-5851 | Oil & Gas Operator | Aug 2024 |
| 5505 | Sicko Jaquetta Len | Muldoon, TX 78949 | Oil Operator | Mar 2024 |
| 5506 | Sidwell Oil & Gas, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Sep 2014 |
| 5507 | Siegfried R H Inc | Tulsa, OK 74104 | Oil & Gas Operator | Mar 2008 |
| 5508 | Sierra Resources, Inc. | Oklahoma City, OK 73142 | Oil & Gas Operator | Sep 2024 |
| 5509 | Signal Hill Expl & Pet Inc | Duncan, OK 73533 | Oil & Gas Operator | Mar 2015 |
| 5510 | Signature Exploration Inc. | Shawnee, OK 74804-4130 | Oil & Gas Operator | Mar 2015 |
| 5511 | Sikes Oil Company Inc | Velma, OK 73091-0759 | Oil & Gas Operator | Jan 2014 |
| 5512 | Silberman A & M Oil | Oklahoma City, OK 73122-3096 | Oil & Gas Operator | Apr 2014 |
| 5513 | Silent Stone Energy LLC | Barnsdal, OK 74002 | Oil & Gas Operator | Aug 2024 |
| 5514 | Sills Oil Co | Osage, OK 74054 | Oil Operator | May 2024 |
| 5515 | Silver Creek Oil & Gas, LLC | Flower Mound, TX 75022 | Oil & Gas Operator | Nov 2024 |
| 5516 | Silver Eagle Oil Company | Ada, OK 74820 | Oil Operator | Dec 2004 |
| 5517 | Silver Pines Energy Corp. | Houston, TX 77005 | Oil & Gas Operator | Sep 2024 |
| 5518 | Silver Star Of Nevada Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Aug 2024 |
| 5519 | Silver Star Production Co | Moore, OK 73160-6202 | Oil & Gas Operator | Aug 2024 |
| 5520 | Silverado Oil LTD | Ardmore, OK 73401 | Oil & Gas Operator | Jun 2003 |
| 5521 | Silverridge Corp | Van Buren, AR 72956 | Oil & Gas Operator | Mar 2015 |
| 5522 | Silvertin Farm Production LLC | Tulsa, OK 74137 | Oil & Gas Operator | Apr 2020 |
| 5523 | Simasko Production Co | Denver, CO 80204 | Oil & Gas Operator | Nov 1997 |
| 5524 | Simco Operating | Shawnee, OK 74804-2501 | Oil Operator | Jan 2013 |
| 5525 | Simcoe Oil Company | Scottsdale, AZ 85258-2553 | Oil & Gas Operator | May 2020 |
| 5526 | Simmons Donald M | Muskogee, OK 74401 | Oil & Gas Operator | May 2013 |
| 5527 | Simmons Evelyn B-Per Represent | Edmond, OK 73083-3610 | Oil & Gas Operator | Aug 1996 |
| 5528 | Simmons Mack McCoy | Cement, OK 73017 | Oil Operator | Jul 2024 |
| 5529 | Simmons, L.B. Energy, Inc. | Midland, TX 79705 | Oil & Gas Operator | Nov 2000 |
| 5530 | Simon Joseph W | Carney, OK 74832-0443 | Oil & Gas Operator | Dec 2016 |
| 5531 | Simon Oil Company | Ardmore, OK 73401-1045 | Oil Operator | Mar 2024 |
| 5532 | Simon Royce & Joyce | Tecumseh, OK 74873-7341 | Oil Operator | Jun 2018 |
| 5533 | Simpson Oil & Land Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2024 |
| 5534 | Sinclair Oil & Gas Company | Salt Lake Cty, UT 84130 | Oil & Gas Operator | Nov 2024 |
| 5535 | Singer Fleischaker Oil Op. Co. | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2002 |
| 5536 | Singer Joseph B Expl Co | Oklahoma City, OK 73118-7486 | Oil & Gas Operator | Mar 1993 |
| 5537 | Singer Oil Co LLC | Hennessey, OK 73742 | Oil & Gas Operator | Sep 2024 |
| 5538 | Singer Oil Company | Oklahoma City, OK 73148 | Oil & Gas Operator | Jul 2024 |
| 5539 | Siosi Oil & Gas Company | Tulsa, OK 74170 | Oil & Gas Operator | Nov 2013 |
| 5540 | Sitco Inc | Yukon, OK 73099 | Oil & Gas Operator | Jul 1995 |
| 5541 | Siven Crude Oil Company | Lomita, CA 90717 | Oil & Gas Operator | Apr 2018 |
| 5542 | Six "E" Trading Company | Henryetta, OK 74801 | Oil & Gas Operator | Sep 2020 |
| 5543 | SJ Ok Oil Company | Dallas, TX 75206-9925 | Oil & Gas Operator | Aug 2024 |
| 5544 | SJM Inc | Tulsa, OK 74133-1757 | Gas Operator | Apr 2006 |
| 5545 | Sju Holdings LLC | Norman, OK 73072 | Oil & Gas Operator | Aug 2024 |
| 5546 | SK Nemaha LLC | Houston, TX 77079-1222 | Oil & Gas Operator | Feb 2021 |
| 5547 | SK Plymouth LLC | Houston, TX 77079-1222 | Oil & Gas Operator | Sep 2024 |
| 5548 | Skeet Oil Production LLC | Grady, OK 73569 | Oil Operator | Sep 2024 |
| 5549 | Skelly Oil Co | | Oil & Gas Operator | Mar 2005 |
| 5550 | Skip'S Oilfield Service | Pawhuska, OK 74056 | Oil & Gas Operator | Jan 2006 |
| 5551 | Skull Creel Oil & Gas LLC | Bartlesville, OK 74005 | Oil Operator | Sep 2024 |
| 5552 | Skycap Energy, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Sep 2024 |
| 5553 | SL Petroleum LLC | Edmond, OK 73013-8801 | Oil & Gas Operator | Apr 2022 |
| 5554 | Slavens II Paul R | Tulsa, OK 74131-2244 | Oil & Gas Operator | Aug 2024 |
| 5555 | Slawson Clifford Ray | Healdton, OK 73438 | Oil Operator | Jan 1995 |
| 5556 | Slawson Exploration Company Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Nov 2024 |
| 5557 | Slawson, Donald C. | Wichita, KS 67202 | Oil & Gas Operator | Apr 2024 |
| 5558 | Sledge Olen | Duncan, OK 73533 | Oil Operator | Aug 2024 |
| 5559 | Slick Production Inc | Tulsa, OK 74132-1718 | Oil & Gas Operator | Apr 2020 |
| 5560 | Slim Hole Inc | Farmington, NM 87401-7725 | Oil & Gas Operator | May 2013 |
| 5561 | Slinkard William & Roberta | Pawhuska, OK 74056 | Oil Operator | Sep 2024 |
| 5562 | Sloan Oil Corporation | Humble, TX 77347 | Oil & Gas Operator | Mar 2015 |
| 5563 | Sloan Petroleum Service Inc | Guthrie, OK 73044 | Oil & Gas Operator | Sep 2024 |
| 5564 | Sloan Production Co | | Oil Operator | Jan 2013 |
| 5565 | Slone VIctor | Barnsdall, OK 74002 | Oil Operator | Apr 2024 |
| 5566 | SLS Operating LLC | Seminole, OK 74868-5876 | Oil & Gas Operator | Sep 2024 |
| 5567 | SLT Dakota Operating, Inc. | Yukon, OK 73099 | Oil & Gas Operator | Nov 2024 |
| 5568 | SM Energy Company | Midland, TX 79707 | Oil & Gas Operator | Nov 2024 |
| 5569 | SM Oil & Gas Inc | Skiatook, OK 74070 | Oil & Gas Operator | Sep 2024 |
| 5570 | Smart H D Etal | | Oil Operator | Jan 2006 |
| 5571 | Smart Jr T J | Ryan, OK 73565 | Oil Operator | Sep 1994 |
| 5572 | Smart Service & Equipment LLC | Muskogee, OK 74401-5262 | Oil Operator | Aug 2013 |
| 5573 | Smiley Drilling Co | Oklahoma City, OK 73156-0773 | Oil & Gas Operator | Apr 1999 |
| 5574 | Smith & Smith Petroleum Corp | | Oil & Gas Operator | Aug 2024 |
| 5575 | Smith Al | Duncan, OK 73534-0037 | Oil Operator | Dec 1998 |
| 5576 | Smith Alfred Dba A-S Oil | Walters, OK 73572 | Oil Operator | Aug 2024 |
| 5577 | Smith B R Jr Disposal Co | Erick, OK 73645 | Oil & Gas Operator | Jun 2021 |
| 5578 | Smith Bart Oil & Gas Expl Inc | Council Hill, OK 74428-9603 | Oil & Gas Operator | Apr 2015 |
| 5579 | Smith Bob W | Ardmore, OK 73403-5214 | Oil & Gas Operator | Sep 2014 |
| 5580 | Smith Bradley D & Paul C | Pawhuska, OK 74056 | Oil Operator | Jun 2024 |
| 5581 | Smith Brothers Enterprises | Ardmore, OK 73402 | Oil Operator | Jul 1998 |
| 5582 | Smith C W & Associates Inc | Oklahoma City, OK 73178-0105 | Oil & Gas Operator | Aug 2013 |
| 5583 | Smith Cheryl A | Copan, OK 74022-4914 | Oil Operator | Jul 2024 |
| 5584 | Smith Claude W | Henryetta, OK 74437-7553 | Oil Operator | May 2008 |
| 5585 | Smith Conley P Operating Co | Eglewood, CO 80112-3640 | Oil & Gas Operator | Jun 2000 |
| 5586 | Smith Connie M & Sheryle | Chelsea, OK 74016-1959 | Oil Operator | Feb 2017 |
| 5587 | Smith Doug | Tulsa, OK 74107 | Oil & Gas Operator | Feb 2016 |
| 5588 | Smith Edward F | Avant, OK 74001-0024 | Oil & Gas Operator | Nov 2014 |
| 5589 | Smith Energy Company LLC | Purcell, OK 73080-4772 | Oil & Gas Operator | May 2015 |
| 5590 | Smith J S Production | Seminole, OK 74868 | Oil & Gas Operator | Sep 2024 |
| 5591 | Smith Jack Boyd | Elkhart, IN 46515-1968 | Oil & Gas Operator | Oct 2011 |
| 5592 | Smith Manus L MFG Inc | Oklahoma City, OK 73147 | Oil & Gas Operator | Nov 1998 |
| 5593 | Smith Max Dean | Wewoka, OK 74884 | Oil & Gas Operator | Aug 2024 |
| 5594 | Smith Mike D | Stillwater, OK 74074 | Oil & Gas Operator | Apr 2015 |
| 5595 | Smith Oil & Gas Co., Inc. | Wichita Falls, TX 76310 | Oil Operator | Dec 2010 |
| 5596 | Smith Patrica\Judith Miller | Collinsville, OK 74021-6307 | Oil Operator | Jun 2010 |
| 5597 | Smith Petroleum Company | Spring, TX 77389 | Oil & Gas Operator | Nov 2024 |
| 5598 | Smith Petroleum LLC | Barnsdall, OK 74002-0134 | Oil Operator | Sep 2024 |
| 5599 | Smith Production Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Nov 2024 |
| 5600 | Smith Resources, L.L.C. | Marshall, TX 75671 | Oil & Gas Operator | Nov 2024 |