| 5301 | Shipman James E Dba Lazy J Oil Co | Hallett, OK 74034 | Oil Operator | Dec 2025 |
| 5302 | Sho-Bar Energy Inc | Harper, KS 67058 | Oil & Gas Operator | Jan 2026 |
| 5303 | Shockley Jimmie D | Morris, OK 74445-2754 | Oil Operator | Dec 2025 |
| 5304 | Shoreline Operating LLC | Oklahoma City, OK 73113 | Oil & Gas Operator | Feb 2026 |
| 5305 | Short Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Feb 2026 |
| 5306 | Short W D Oil Company LLC | Oxford, KS 67119-0729 | Oil Operator | Feb 2026 |
| 5307 | Short W D Revocable Trust | Oxford, KS 67119-0729 | Oil & Gas Operator | Mar 2015 |
| 5308 | Shortgrass Petroleum Inc | Laverne, OK 73848-0139 | Oil & Gas Operator | Jan 2026 |
| 5309 | Shoshone Oil And Gas Inc | Lindsay, OK 73052-0217 | Oil & Gas Operator | Jan 2020 |
| 5310 | Shriver Earl J | Lawton, OK 73507-5851 | Oil & Gas Operator | Aug 2013 |
| 5311 | Shriver Operating LLC | Lawton, OK 73507-5851 | Oil & Gas Operator | Jan 2026 |
| 5312 | Sicko Jaquetta Len | Muldoon, TX 78949 | Oil Operator | Jan 2026 |
| 5313 | Sidwell Oil & Gas, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Sep 2014 |
| 5314 | Siegfried R H Inc | Tulsa, OK 74104 | Oil & Gas Operator | Mar 2008 |
| 5315 | Sierra Resources, Inc. | Oklahoma City, OK 73142 | Oil & Gas Operator | Mar 2026 |
| 5316 | Signal Hill Expl & Pet Inc | Duncan, OK 73533 | Oil & Gas Operator | Mar 2015 |
| 5317 | Signature Exploration Inc. | Shawnee, OK 74804-4130 | Oil & Gas Operator | Mar 2015 |
| 5318 | Sikes Oil Company Inc | Velma, OK 73091-0759 | Oil & Gas Operator | Jan 2014 |
| 5319 | Silberman A & M Oil | Oklahoma City, OK 73122-3096 | Oil & Gas Operator | Apr 2014 |
| 5320 | Silent Stone Energy LLC | | Oil & Gas Operator | Jan 2026 |
| 5321 | Silver Creek Oil & Gas, LLC | Flower Mound, TX 75022 | Oil & Gas Operator | May 2026 |
| 5322 | Silver Eagle Oil Company | Ada, OK 74820 | Oil Operator | Dec 2004 |
| 5323 | Silver Pines Energy Corp. | Houston, TX 77005 | Oil & Gas Operator | Feb 2026 |
| 5324 | Silver Star Of Nevada Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Jan 2026 |
| 5325 | Silver Star Production Co | Moore, OK 73160-6202 | Oil & Gas Operator | Dec 2025 |
| 5326 | Silverado Oil LTD | Ardmore, OK 73401 | Oil & Gas Operator | Jun 2003 |
| 5327 | Silverridge Corp | Van Buren, AR 72956 | Oil & Gas Operator | Mar 2015 |
| 5328 | Silvertin Farm Production LLC | Tulsa, OK 74137 | Oil & Gas Operator | Apr 2020 |
| 5329 | Simasko Production Co | Denver, CO 80204 | Oil & Gas Operator | Nov 1997 |
| 5330 | Simco Operating | Shawnee, OK 74804-2501 | Oil Operator | Jan 2013 |
| 5331 | Simcoe Oil Company | Scottsdale, AZ 85258-2553 | Oil & Gas Operator | May 2020 |
| 5332 | Simmons Donald M | Muskogee, OK 74401 | Oil & Gas Operator | May 2013 |
| 5333 | Simmons Evelyn B-Per Represent | Edmond, OK 73083-3610 | Oil & Gas Operator | Aug 1996 |
| 5334 | Simmons Mack McCoy | Cement, OK 73017 | Oil Operator | Feb 2025 |
| 5335 | Simmons, L.B. Energy, Inc. | Midland, TX 79705 | Oil & Gas Operator | Nov 2000 |
| 5336 | Simon Joseph W | Carney, OK 74832-0443 | Oil & Gas Operator | Dec 2016 |
| 5337 | Simon Oil Company | Ardmore, OK 73401 | Oil Operator | Jan 2026 |
| 5338 | Simon Royce & Joyce | Tecumseh, OK 74873-7341 | Oil Operator | Jun 2018 |
| 5339 | Simpson Oil & Land Co. | Fort Worth, TX 76102 | Oil & Gas Operator | May 2026 |
| 5340 | Sinclair Oil & Gas Company | Salt Lake Cty, UT 84130 | Oil & Gas Operator | May 2026 |
| 5341 | Singer Joseph B Expl Co | Oklahoma City, OK 73118-7486 | Oil & Gas Operator | Mar 1993 |
| 5342 | Singer Oil Co LLC | Hennessey, OK 73742 | Oil & Gas Operator | Feb 2026 |
| 5343 | Singer Oil Company | Oklahoma City, OK 73148 | Oil & Gas Operator | Jan 2026 |
| 5344 | Singer-Fleischaker Oil Op Co | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2002 |
| 5345 | Siosi Oil & Gas Company | Tulsa, OK 74170 | Oil & Gas Operator | Nov 2013 |
| 5346 | Sitco Inc | Yukon, OK 73099 | Oil & Gas Operator | Jul 1995 |
| 5347 | Six "E" Trading Company | Henryetta, OK 74801 | Oil & Gas Operator | Sep 2020 |
| 5348 | SJ Ok Oil Company | Dallas, TX 75206-9925 | Oil & Gas Operator | Oct 2025 |
| 5349 | SJM Inc | Tulsa, OK 74133-1757 | Gas Operator | Apr 2006 |
| 5350 | Sju Holdings LLC | Norman, OK 73072 | Oil & Gas Operator | Jan 2026 |
| 5351 | SK Nemaha LLC | Houston, TX 77079-1222 | Oil & Gas Operator | Feb 2021 |
| 5352 | SK Plymouth LLC | Houston, TX 77079-1222 | Oil & Gas Operator | Jan 2026 |
| 5353 | Skaggs Resources LLC | Sapulpa, OK 74066-7930 | Oil Operator | Jan 2026 |
| 5354 | Skeet Oil Production LLC | Grady, OK 73569 | Oil Operator | Dec 2025 |
| 5355 | Skelly Oil Co | | Oil & Gas Operator | Mar 2005 |
| 5356 | Skull Creek Oil & Gas LLC | | Oil Operator | Jan 2026 |
| 5357 | Skycap Energy, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | May 2026 |
| 5358 | Slavens II Paul R | Tulsa, OK 74131 | Oil & Gas Operator | Jan 2026 |
| 5359 | Slawson Clifford Ray | Healdton, OK 73438 | Oil Operator | Jan 1995 |
| 5360 | Slawson Donald C | Wichita, KS 67202 | Oil & Gas Operator | Oct 2025 |
| 5361 | Slawson Exploration Company Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2026 |
| 5362 | Sledge Olen | Duncan, OK 73533 | Oil Operator | Nov 2025 |
| 5363 | Slick Production Inc | Tulsa, OK 74132-1718 | Oil & Gas Operator | Apr 2020 |
| 5364 | Slim Hole Inc | Farmington, NM 87401-7725 | Oil & Gas Operator | May 2013 |
| 5365 | Slinkard, Roberta S | | Oil Operator | Dec 2025 |
| 5366 | Sloan Oil Corporation | Humble, TX 77347 | Oil & Gas Operator | Mar 2015 |
| 5367 | Sloan Petroleum Service Inc | Guthrie, OK 73044 | Oil & Gas Operator | Feb 2026 |
| 5368 | Sloan Production Co | | Oil Operator | Jan 2013 |
| 5369 | Slone, VIctor R | | Oil Operator | Feb 2026 |
| 5370 | SLS Operating LLC | Seminole, OK 74868-5876 | Oil & Gas Operator | Feb 2026 |
| 5371 | SLT Dakota Operating, Inc. | Yukon, OK 73099 | Oil & Gas Operator | May 2026 |
| 5372 | SM Energy Company | Midland, TX 79707 | Oil & Gas Operator | May 2026 |
| 5373 | SM Oil & Gas Inc | Skiatook, OK 74070 | Oil & Gas Operator | Feb 2026 |
| 5374 | Smart Jr T J | Ryan, OK 73565 | Oil Operator | Sep 1994 |
| 5375 | Smart Service & Equipment LLC | Muskogee, OK 74401-5262 | Oil Operator | Aug 2013 |
| 5376 | Smiley Drilling Co | Oklahoma City, OK 73156-0773 | Oil & Gas Operator | Apr 1999 |
| 5377 | Smith & Smith Petroleum Corp | | Oil & Gas Operator | Sep 2025 |
| 5378 | Smith Al | Duncan, OK 73534-0037 | Oil Operator | Dec 1998 |
| 5379 | Smith Alfred Dba A-S Oil | Walters, OK 73572 | Oil Operator | Jan 2026 |
| 5380 | Smith Bart Oil & Gas Expl Inc | Council Hill, OK 74428-9603 | Oil & Gas Operator | Apr 2015 |
| 5381 | Smith Bob W | Ardmore, OK 73403-5214 | Oil & Gas Operator | Sep 2014 |
| 5382 | Smith Bradley D & Paul C | Pawhuska, OK 74056 | Oil Operator | Jan 2026 |
| 5383 | Smith Brothers Enterprises | Ardmore, OK 73402 | Oil Operator | Jul 1998 |
| 5384 | Smith C W & Associates Inc | Oklahoma City, OK 73178-0105 | Oil & Gas Operator | Aug 2013 |
| 5385 | Smith Cheryl A | Copan, OK 74022 | Oil Operator | Nov 2025 |
| 5386 | Smith Claude W | Henryetta, OK 74437-7553 | Oil Operator | May 2008 |
| 5387 | Smith Conley P Operating Co | Eglewood, CO 80112-3640 | Oil & Gas Operator | Jun 2000 |
| 5388 | Smith Connie M & Sheryle | Chelsea, OK 74016-1959 | Oil Operator | Feb 2017 |
| 5389 | Smith Doug | Tulsa, OK 74107 | Oil & Gas Operator | Feb 2016 |
| 5390 | Smith Edward F | Avant, OK 74001-0024 | Oil & Gas Operator | Nov 2014 |
| 5391 | Smith Energy Company LLC | Purcell, OK 73080-4772 | Oil & Gas Operator | May 2015 |
| 5392 | Smith J S Production | Seminole, OK 74868 | Oil & Gas Operator | Feb 2026 |
| 5393 | Smith Jack Boyd | Elkhart, IN 46515-1968 | Oil & Gas Operator | Oct 2011 |
| 5394 | Smith Joyce | Okmulgee, OK 74447-6074 | Oil Operator | Mar 2025 |
| 5395 | Smith Manus L MFG Inc | Oklahoma City, OK 73147 | Oil & Gas Operator | Nov 1998 |
| 5396 | Smith Max Dean | Wewoka, OK 74884 | Oil & Gas Operator | Oct 2025 |
| 5397 | Smith Mike D | Stillwater, OK 74074 | Oil & Gas Operator | Apr 2015 |
| 5398 | Smith Oil And Gas Co | Wichita Falls, TX 76310 | Oil Operator | Dec 2010 |
| 5399 | Smith Patrica\Judith Miller | Collinsville, OK 74021-6307 | Oil Operator | Jun 2010 |
| 5400 | Smith Petroleum Company | Spring, TX 77389 | Oil & Gas Operator | May 2026 |