| 25401 | Samedan Oil Corp. Et Al | | Oil & Gas Operator | Jan 1989 |
| 25402 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |
| 25403 | Samhill LLC | Tonkawa, OK 74653-5533 | Oil & Gas Operator | Jun 2026 |
| 25404 | Samis Oil Company, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Sep 2000 |
| 25405 | Sammax Operating LLC | Snyder, TX 79549 | Oil Operator | Sep 2026 |
| 25406 | Sammy D. Thrash | | Oil & Gas Operator | May 2012 |
| 25407 | Sammy D. Thrash, LLC | | Oil & Gas Operator | May 2019 |
| 25408 | Sample Exploration | | Oil & Gas Operator | Jul 2002 |
| 25409 | Samples James F | Brinkhaven, OH 43006 | Oil & Gas Operator | Dec 2021 |
| 25410 | Sampson Operators | | Oil & Gas Operator | Jul 2026 |
| 25411 | Sampson, Lowell | | Oil & Gas Operator | Dec 2001 |
| 25412 | Sams Energy, Inc. | Abilene, TX 79604 | Oil & Gas Operator | May 1998 |
| 25413 | Samson Contour Energy E&P, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2017 |
| 25414 | Samson Exploration LLC | Tulsa, OK 74101 | Oil & Gas Operator | Jul 2026 |
| 25415 | Samson Gas Producing Company | Tulsa, OK 74103 | Oil & Gas Operator | May 2001 |
| 25416 | Samson Hydrocarbons Company | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2016 |
| 25417 | Samson Kelley Operating Co., LTD. | | Oil & Gas Operator | Feb 2004 |
| 25418 | Samson Lone Star LP | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2007 |
| 25419 | Samson Lone Star, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2026 |
| 25420 | Samson Natural Gas Co | | Oil & Gas Operator | Oct 1992 |
| 25421 | Samson Natural Gas Co And Miller Energy Miller Oil | | Oil & Gas Operator | Aug 2000 |
| 25422 | Samson Oil & Gas USA Inc | Denver, CO 80202 | Oil & Gas Operator | Jul 2026 |
| 25423 | Samson Properties, Incorporated | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2008 |
| 25424 | Samson Res Co | Tulsa, OK 74103-3103 | Gas Operator | Jan 2015 |
| 25425 | Samson Resources | | Oil Operator | Jan 1994 |
| 25426 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Jul 2026 |
| 25427 | Samson Resources Company LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2021 |
| 25428 | Samuel Dale Hughes Dba Hughes Drilling Co. | Artesia, NM 88211026 | Oil Operator | Jun 2026 |
| 25429 | Samuel Gary Jr. & Assoc., Inc. | | Oil & Gas Operator | Mar 2023 |
| 25430 | Samuel Gary Jr. & Associates, Inc. | Denver, CO 80202 | Oil & Gas Operator | May 2026 |
| 25431 | Samuel Jackson Production Co | | Oil Operator | May 2026 |
| 25432 | Samuel Joe L | Tulsa, OK 74135-7805 | Oil & Gas Operator | Jan 2001 |
| 25433 | Samuelson, Peter Philip | Bemus Point, NY 14712 | Gas Operator | Dec 2025 |
| 25434 | Samurai Operating Co. L.L.C. | Dayton, TX 77535 | Oil & Gas Operator | Sep 2026 |
| 25435 | San Angelo Cetco, Inc. | San Angelo, TX 76901 | Oil & Gas Operator | Mar 1998 |
| 25436 | San Antonio Gas & Oil, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2000 |
| 25437 | San Cajo Oil Company | Edmonds, WA 98020 | Oil & Gas Operator | Sep 2026 |
| 25438 | San Carlos Oil & Gas Corp. | | Gas Operator | Dec 2003 |
| 25439 | San Dia Producing Company | Deanville, TX 77852 | Oil & Gas Operator | Sep 2026 |
| 25440 | San Francisco-Okla Pet Ex Inc | | Oil & Gas Operator | Apr 2014 |
| 25441 | San Isidro Development Co, L. C. | Sandia, TX 78383 | Oil & Gas Operator | Sep 2026 |
| 25442 | San Joaquin Facilities Management Inc. | | Oil & Gas Operator | Jul 2026 |
| 25443 | San Juan Minerals Explor | Mexican Hat, UT 84531 | Oil & Gas Operator | Apr 2006 |
| 25444 | San Juan Resources, Inc. | Denver, CO 80202 | Oil & Gas Operator | Jul 2026 |
| 25445 | San Juan Services, Inc. | Farmington, NM 87402 | Oil Operator | Dec 2011 |
| 25446 | San Lor Co Inc Dba Lor San Oil Co | | Oil Operator | Jul 2026 |
| 25447 | San Marco Petroleum Inc | Denver, CO 80293 | Oil & Gas Operator | May 2026 |
| 25448 | San Miguel Oil & Gas, Inc. | | Oil & Gas Operator | Jan 1993 |
| 25449 | San Patricio Corporation | Dinero, TX 78350 | Oil & Gas Operator | Sep 2003 |
| 25450 | San Pet Inc | McPherson, KS 67460 | Oil Operator | May 1997 |
| 25451 | San Saba Energy | Hays, KS 67601 | Oil Operator | May 1998 |
| 25452 | Sananco Energy C | | Oil Operator | Aug 1987 |
| 25453 | Sananco Energy Corp | Naples, FL 33941 | Oil & Gas Operator | Jul 2013 |
| 25454 | Sanare Energy Partners, LLC | | Oil & Gas Operator | Dec 2024 |
| 25455 | Sanchez Exploration Company LLC | Houston, TX 77056 | Oil & Gas Operator | Oct 2024 |
| 25456 | Sanchez Oil & Gas Corporation | Houston, TX 77056 | Oil & Gas Operator | Sep 2026 |
| 25457 | Sanchez Production, LLC | Pampa, TX 79065 | Oil & Gas Operator | Sep 2026 |
| 25458 | Sanchez-O'Brien | | Oil & Gas Operator | Dec 1984 |
| 25459 | Sanchez-O'Brien Oil & Gas Corp | Houston, TX 77057 | Oil & Gas Operator | May 1998 |
| 25460 | Sanchez-Obrien Oil & Gas | | Oil & Gas Operator | Aug 1986 |
| 25461 | Sancho Oil & Gas LLC | Alma, WV 26320 | Oil & Gas Operator | Dec 2021 |
| 25462 | Sanco Operating Company | Bullard, TX 75757 | Oil & Gas Operator | Sep 2026 |
| 25463 | Sand Bar Oil Com | | Oil Operator | Jun 1986 |
| 25464 | Sand Boy Production Company | Bartlesville, OK 74003-9273 | Oil & Gas Operator | Apr 2026 |
| 25465 | Sand Creek Oil Co., Inc. | Lubbock, TX 79413 | Oil & Gas Operator | Jul 2012 |
| 25466 | Sand Creek Resources LLC | Woodward, OK 73801-5222 | Oil & Gas Operator | Jul 2026 |
| 25467 | Sand Dollar Ener | | Oil Operator | Aug 1984 |
| 25468 | Sand Dollar, LLC | Henderson, KY 42420 | Oil & Gas Operator | Dec 2018 |
| 25469 | Sand Hawk, LLC | Devers, TX 77538 | Oil & Gas Operator | Sep 2026 |
| 25470 | Sand Hill, LTD. | | Gas Operator | Dec 2024 |
| 25471 | Sand Point LLC | Oklahoma City, OK 73132 | Oil & Gas Operator | Dec 2020 |
| 25472 | Sand Point Production Inc | Oklahoma City, OK 73172 | Oil & Gas Operator | Jun 2026 |
| 25473 | Sand Resources LLC | Norman, OK 73072-4805 | Oil & Gas Operator | Aug 2012 |
| 25474 | Sand River O & E LLC | Amarillo, TX 79107 | Gas Operator | Dec 2004 |
| 25475 | Sand Springs Oil & Gas Co. | Tulsa, OK 74136 | Oil & Gas Operator | Sep 2026 |
| 25476 | Sandalwood Exploration, L.P. | Houston, TX 77056 | Oil & Gas Operator | Sep 2026 |
| 25477 | Sandalwood Oil & Gas, Inc. | Houston, TX 77057 | Oil & Gas Operator | Sep 2026 |
| 25478 | Sandbar Oil & Gas Co | Lewisville, OH 43754 | Oil & Gas Operator | Dec 2025 |
| 25479 | Sandco Oil & Gas, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2015 |
| 25480 | Sandefer & Andress, Inc. | | Oil & Gas Operator | Apr 1982 |
| 25481 | Sandefer Larry | | Oil Operator | Aug 1993 |
| 25482 | Sandefer Petroleum Co. | | Oil & Gas Operator | Apr 1994 |
| 25483 | Sandel Energy, Inc. | Huntsville, TX 77342 | Oil & Gas Operator | Apr 2004 |
| 25484 | Sandel Operating Company | Huntsville, TX 77340 | Oil & Gas Operator | Sep 2026 |
| 25485 | Sanders & Smith, L.C. | Amarillo, TX 79110 | Oil & Gas Operator | Mar 2004 |
| 25486 | Sanders Energy LLC | Aledo, TX 76008 | Oil & Gas Operator | Sep 2026 |
| 25487 | Sanders Oil & Gas Co | Tyler, TX 75711 | Gas Operator | Aug 2017 |
| 25488 | Sanders Oil & Gas, LTD. | Granbury, TX 76048 | Oil & Gas Operator | Aug 2015 |
| 25489 | Sanders Petroleum Corp | Roswell, NM 88201 | Gas Operator | Oct 1996 |
| 25490 | Sanders, Alice M. | Fredonia, NY 14063 | Gas Operator | Dec 2025 |
| 25491 | Sanders, Arthur J. | Wichita, KS 67217 | Oil Operator | Nov 1989 |
| 25492 | Sanders, Jack W | Wellsville, KS 66092 | Oil Operator | Feb 1996 |
| 25493 | Sanders, Larry E. Trustee | Longview, TX 75606 | Oil & Gas Operator | Sep 2026 |
| 25494 | Sandford Oil LLC | Decatur, TX 76234 | Gas Operator | Sep 2026 |
| 25495 | Sandhawk Energy, LLC | Houston, TX 77079 | Oil & Gas Operator | Jun 2011 |
| 25496 | Sandhill L.L.C. | Wichita, KS 67202 | Gas Operator | Jun 2003 |
| 25497 | Sandhill Production Inc | Shongaloo, LA 71072 | Oil & Gas Operator | Dec 2019 |
| 25498 | Sandhills Oil Co. | Copan, OK 74022 | Oil Operator | Aug 1997 |
| 25499 | Sandia Energy Corporation-NM | Holdenville, OK 74848 | Oil & Gas Operator | Aug 2003 |
| 25500 | Sandia Operating Corp. | San Antonio, TX 78270 | Oil & Gas Operator | May 2010 |