| 25401 | San Juan Minerals Explor | Mexican Hat, UT 84531 | Oil & Gas Operator | Apr 2006 |
| 25402 | San Juan Resources, Inc. | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 25403 | San Juan Services, Inc. | Farmington, NM 87402 | Oil Operator | Dec 2011 |
| 25404 | San Marco Petroleum Inc | Denver, CO 80293 | Oil & Gas Operator | Dec 2025 |
| 25405 | San Miguel Oil & Gas, Inc. | | Oil & Gas Operator | Jan 1993 |
| 25406 | San Patricio Corporation | Dinero, TX 78350 | Oil & Gas Operator | Sep 2003 |
| 25407 | San Pet Inc | McPherson, KS 67460 | Oil Operator | May 1997 |
| 25408 | San Saba Energy | Hays, KS 67601 | Oil Operator | May 1998 |
| 25409 | Sananco Energy C | | Oil Operator | Aug 1987 |
| 25410 | Sananco Energy Corp | Naples, FL 33941 | Oil & Gas Operator | Jul 2013 |
| 25411 | Sanare Energy Partners, LLC | | Oil & Gas Operator | Dec 2024 |
| 25412 | Sanchez Exploration Company LLC | Houston, TX 77056 | Oil & Gas Operator | Oct 2024 |
| 25413 | Sanchez Oil & Gas Corporation | Houston, TX 77056 | Oil & Gas Operator | Apr 2026 |
| 25414 | Sanchez Production, LLC | Pampa, TX 79065 | Oil & Gas Operator | Apr 2026 |
| 25415 | Sanchez-O'Brien | | Oil & Gas Operator | Dec 1984 |
| 25416 | Sanchez-O'Brien Oil & Gas Corp | Houston, TX 77057 | Oil & Gas Operator | May 1998 |
| 25417 | Sanchez-Obrien Oil & Gas | | Oil & Gas Operator | Aug 1986 |
| 25418 | Sancho Oil & Gas LLC | | Oil & Gas Operator | Dec 2021 |
| 25419 | Sanco Operating Company | Bullard, TX 75757 | Oil & Gas Operator | Apr 2026 |
| 25420 | Sand Bar Oil Com | | Oil Operator | Jun 1986 |
| 25421 | Sand Boy Production Company | Bartlesville, OK 74003-9273 | Oil & Gas Operator | Jan 2025 |
| 25422 | Sand Creek Oil Co., Inc. | Lubbock, TX 79413 | Oil & Gas Operator | Jul 2012 |
| 25423 | Sand Creek Resources LLC | Woodward, OK 73801-5222 | Oil & Gas Operator | Feb 2026 |
| 25424 | Sand Dollar Ener | | Oil Operator | Aug 1984 |
| 25425 | Sand Dollar, LLC | Henderson, KY 42420 | Oil & Gas Operator | Dec 2018 |
| 25426 | Sand Hawk, LLC | Devers, TX 77538 | Oil & Gas Operator | Apr 2026 |
| 25427 | Sand Hill, LTD. | | Gas Operator | Dec 2024 |
| 25428 | Sand Point LLC | Oklahoma City, OK 73132 | Oil & Gas Operator | Dec 2020 |
| 25429 | Sand Point Production Inc | Oklahoma City, OK 73172 | Oil & Gas Operator | Jan 2026 |
| 25430 | Sand Resources LLC | Norman, OK 73072-4805 | Oil & Gas Operator | Aug 2012 |
| 25431 | Sand River O & E LLC | Amarillo, TX 79107 | Gas Operator | Dec 2004 |
| 25432 | Sand Springs Oil & Gas Co. | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2026 |
| 25433 | Sandalwood Exploration, L.P. | Houston, TX 77056 | Oil & Gas Operator | Apr 2026 |
| 25434 | Sandalwood Oil & Gas, Inc. | Houston, TX 77057 | Oil & Gas Operator | Apr 2026 |
| 25435 | Sandbar Oil & Gas Co | Lewisville, OH 43754 | Oil & Gas Operator | Dec 2025 |
| 25436 | Sandco Oil & Gas, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2015 |
| 25437 | Sandefer & Andress, Inc. | | Oil & Gas Operator | Apr 1982 |
| 25438 | Sandefer Larry | | Oil Operator | Aug 1993 |
| 25439 | Sandefer Petroleum Co. | | Oil & Gas Operator | Apr 1994 |
| 25440 | Sandel Energy, Inc. | Huntsville, TX 77342 | Oil & Gas Operator | Apr 2004 |
| 25441 | Sandel Operating Company | Huntsville, TX 77340 | Oil & Gas Operator | Apr 2026 |
| 25442 | Sanders & Smith, L.C. | Amarillo, TX 79110 | Oil & Gas Operator | Mar 2004 |
| 25443 | Sanders Energy LLC | Aledo, TX 76008 | Oil & Gas Operator | Apr 2026 |
| 25444 | Sanders Oil & Gas Co | Tyler, TX 75711 | Gas Operator | Aug 2017 |
| 25445 | Sanders Oil & Gas, LTD. | Granbury, TX 76048 | Oil & Gas Operator | Aug 2015 |
| 25446 | Sanders Petroleum Corp | Roswell, NM 88201 | Gas Operator | Oct 1996 |
| 25447 | Sanders, Arthur J. | Wichita, KS 67217 | Oil Operator | Nov 1989 |
| 25448 | Sanders, Jack W | Wellsville, KS 66092 | Oil Operator | Feb 1996 |
| 25449 | Sanders, Larry E. Trustee | Longview, TX 75606 | Oil & Gas Operator | Apr 2026 |
| 25450 | Sandhawk Energy, LLC | Houston, TX 77079 | Oil & Gas Operator | Jun 2011 |
| 25451 | Sandhill L.L.C. | Wichita, KS 67202 | Gas Operator | Jun 2003 |
| 25452 | Sandhill Production Inc | Shongaloo, LA 71072 | Oil & Gas Operator | Dec 2019 |
| 25453 | Sandhills Oil Co. | Copan, OK 74022 | Oil Operator | Aug 1997 |
| 25454 | Sandia Energy Corporation-NM | Holdenville, OK 74848 | Oil & Gas Operator | Aug 2003 |
| 25455 | Sandia Operating Corp. | San Antonio, TX 78270 | Oil & Gas Operator | May 2010 |
| 25456 | Sandia Production Co., Inc. | Corrales, NM 87048 | Oil & Gas Operator | Apr 2026 |
| 25457 | Sandler Raymond C | Los Angeles, CA 90067 | Oil Operator | Dec 1999 |
| 25458 | Sandlin Oil Corp | Dacono, CO 80514 | Oil & Gas Operator | Jan 2026 |
| 25459 | Sandlot Oil & Gas LLC | Gruver, TX 79040 | Oil & Gas Operator | Apr 2026 |
| 25460 | Sandlott Energy (Jackie Brewer Dba) | Lovington, NM 88260 | Oil & Gas Operator | Dec 2024 |
| 25461 | Sandman Exploration, L.L.C. | Georgetown, TX 78627 | Oil & Gas Operator | Apr 2026 |
| 25462 | Sandollar Oil & Gas, Inc. | Hallsville, TX 75650 | Oil & Gas Operator | Feb 1993 |
| 25463 | Sandor Petroleum Corporation | Crane, TX 79731 | Oil & Gas Operator | Apr 2026 |
| 25464 | Sandpoint Energy Partners LLC | | Oil Operator | Jan 2025 |
| 25465 | Sandpoint Operating, LLC | San Antonio, TX 78209 | Oil & Gas Operator | Nov 2025 |
| 25466 | Sandpoint Texas LLC | Houston, TX 77270 | Oil & Gas Operator | Apr 2026 |
| 25467 | Sandra Corporation (The) | Pampa, TX 79066-2474 | Gas Operator | Oct 1996 |
| 25468 | Sandra Turner Dba Grand Lake Resources | Hennessey, OK 73742 | Oil & Gas Operator | Feb 2026 |
| 25469 | Sandridge Energy, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2018 |
| 25470 | Sandridge Exploration And Production LLC | Oklahoma City, OK 73104 | Oil & Gas Operator | Apr 2026 |
| 25471 | Sandridge Offshore, LLC | Houston, TX 77042 | Oil & Gas Operator | Apr 2014 |
| 25472 | Sandridge Onshore, LLC | Houston, TX 77010 | Oil & Gas Operator | Jun 2014 |
| 25473 | Sandridge Tertiary, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2012 |
| 25474 | Sandrock Energy LLC | Luther, OK 73054 | Oil & Gas Operator | Jan 2026 |
| 25475 | Sands Oil Company Inc | Billings, MT 59103 | Oil & Gas Operator | Jan 2026 |
| 25476 | Sands-American Corp | | Oil & Gas Operator | Jan 1990 |
| 25477 | Sandstone Dev LLC | Bradford, PA 16701-2922 | Oil & Gas Operator | Dec 2025 |
| 25478 | Sandstone Operating Company, Inc | Odessa, TX 79762 | Oil & Gas Operator | Jul 1995 |
| 25479 | Sandstone Resources | Saint Joseph, MO 64506 | Oil & Gas Operator | Dec 1995 |
| 25480 | Sandstone Resources, Inc. | Houston, TX 77043 | Oil & Gas Operator | Apr 2026 |
| 25481 | Sandstone Services, LLC | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 25482 | Sandy Petroleum Inc | Shawnee, OK 74801-5634 | Oil & Gas Operator | Dec 2025 |
| 25483 | Sandy Supply Co | Wooster, OH 44691 | Oil & Gas Operator | Dec 2014 |
| 25484 | Sanford & Jenkins | Henryetta, OK 74437-1411 | Oil & Gas Operator | Mar 2015 |
| 25485 | Sanford Casondra | Ada, OK 74820-4460 | Oil & Gas Operator | May 2013 |
| 25486 | Sanford Resources Corp. | | Oil & Gas Operator | Jul 1998 |
| 25487 | Sanguine Gas Exploration, LLC | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2026 |
| 25488 | Sanguine, LTD | Tulsa, OK 74170 | Gas Operator | Oct 2003 |
| 25489 | Sanhall Corporation | Huntsville, TX 77340 | Oil & Gas Operator | Oct 1993 |
| 25490 | Sanner Jeffrey B Dba Bryant Lyn Production | Velma, OK 73491 | Oil Operator | Dec 2025 |
| 25491 | Sanner Oil Co LLC | Duncan, OK 73533 | Oil Operator | Jan 2026 |
| 25492 | Sanner Oil Company | Velma, OK 73491-0550 | Oil & Gas Operator | Jan 2014 |
| 25493 | Sannes, Ronald M. Or Margaret Ann | Billings, MT 59103 | Oil & Gas Operator | Oct 2017 |
| 25494 | Sanook Inc | Oklahoma City, OK 73156-0548 | Oil & Gas Operator | Jan 2007 |
| 25495 | Sanor Bruce | Salem, OH 44460 | Oil & Gas Operator | Dec 2025 |
| 25496 | Sanquip LLC | Oklahoma City, OK 73106 | Oil & Gas Operator | Feb 2026 |
| 25497 | Santa Anna Operating 3, LLC | Santa Anna, TX 76878 | Oil & Gas Operator | Apr 2026 |
| 25498 | Santa Anna Operating Co I, LLC | Abilene, TX 79608 | Oil & Gas Operator | Oct 2018 |
| 25499 | Santa Fe Braun Inc | Dallas, TX 75240-6620 | Oil & Gas Operator | Mar 1995 |
| 25500 | Santa Fe Energy Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2015 |