| 25301 | Samson Gas Producing Company | Tulsa, OK 74103 | Oil & Gas Operator | May 2001 |
| 25302 | Samson Hydrocarbons Company | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2016 |
| 25303 | Samson Kelley Operating Co., LTD. | | Oil & Gas Operator | Feb 2004 |
| 25304 | Samson Lone Star LP | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2007 |
| 25305 | Samson Lone Star, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2026 |
| 25306 | Samson Natural Gas Co | | Oil & Gas Operator | Oct 1992 |
| 25307 | Samson Natural Gas Co And Miller Energy Miller Oil | | Oil & Gas Operator | Aug 2000 |
| 25308 | Samson Oil & Gas USA Inc | Denver, CO 80202 | Oil & Gas Operator | Apr 2026 |
| 25309 | Samson Properties, Incorporated | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2008 |
| 25310 | Samson Res Co | Tulsa, OK 74103-3103 | Gas Operator | Jan 2015 |
| 25311 | Samson Resources | | Oil Operator | Jan 1994 |
| 25312 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2026 |
| 25313 | Samson Resources Company LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2021 |
| 25314 | Samuel Dale Hughes Dba Hughes Drilling Co. | Artesia, NM 88211026 | Oil Operator | Mar 2026 |
| 25315 | Samuel Gary Jr. & Assoc., Inc. | | Oil & Gas Operator | Mar 2023 |
| 25316 | Samuel Gary Jr. & Associates, Inc. | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 25317 | Samuel Jackson Production Co | | Oil Operator | Feb 2026 |
| 25318 | Samuel Joe L | Tulsa, OK 74135-7805 | Oil & Gas Operator | Jan 2001 |
| 25319 | Samuelson, Peter Philip | Bemus Point, NY 14712 | Gas Operator | Dec 2024 |
| 25320 | Samurai Operating Co. L.L.C. | Dayton, TX 77535 | Oil & Gas Operator | Jun 2026 |
| 25321 | San Angelo Cetco, Inc. | San Angelo, TX 76901 | Oil & Gas Operator | Mar 1998 |
| 25322 | San Antonio Gas & Oil, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2000 |
| 25323 | San Cajo Oil Company | Edmonds, WA 98020 | Oil & Gas Operator | Jun 2026 |
| 25324 | San Carlos Oil & Gas Corp. | | Gas Operator | Dec 2003 |
| 25325 | San Dia Producing Company | Deanville, TX 77852 | Oil & Gas Operator | Jun 2026 |
| 25326 | San Francisco-Okla Pet Ex Inc | | Oil & Gas Operator | Apr 2014 |
| 25327 | San Isidro Development Co, L. C. | Sandia, TX 78383 | Oil & Gas Operator | Jun 2026 |
| 25328 | San Joaquin Facilities Management Inc. | | Oil & Gas Operator | Mar 2026 |
| 25329 | San Juan Minerals Explor | Mexican Hat, UT 84531 | Oil & Gas Operator | Apr 2006 |
| 25330 | San Juan Resources, Inc. | Denver, CO 80202 | Oil & Gas Operator | Apr 2026 |
| 25331 | San Juan Services, Inc. | Farmington, NM 87402 | Oil Operator | Dec 2011 |
| 25332 | San Marco Petroleum Inc | Denver, CO 80293 | Oil & Gas Operator | Feb 2026 |
| 25333 | San Miguel Oil & Gas, Inc. | | Oil & Gas Operator | Jan 1993 |
| 25334 | San Patricio Corporation | Dinero, TX 78350 | Oil & Gas Operator | Sep 2003 |
| 25335 | San Pet Inc | McPherson, KS 67460 | Oil Operator | May 1997 |
| 25336 | San Saba Energy | Hays, KS 67601 | Oil Operator | May 1998 |
| 25337 | Sananco Energy C | | Oil Operator | Aug 1987 |
| 25338 | Sananco Energy Corp | Naples, FL 33941 | Oil & Gas Operator | Jul 2013 |
| 25339 | Sanare Energy Partners, LLC | | Oil & Gas Operator | Dec 2024 |
| 25340 | Sanchez Exploration Company LLC | Houston, TX 77056 | Oil & Gas Operator | Oct 2024 |
| 25341 | Sanchez Oil & Gas Corporation | Houston, TX 77056 | Oil & Gas Operator | Jun 2026 |
| 25342 | Sanchez Production, LLC | Pampa, TX 79065 | Oil & Gas Operator | Jun 2026 |
| 25343 | Sanchez-O'Brien | | Oil & Gas Operator | Dec 1984 |
| 25344 | Sanchez-O'Brien Oil & Gas Corp | Houston, TX 77057 | Oil & Gas Operator | May 1998 |
| 25345 | Sanchez-Obrien Oil & Gas | | Oil & Gas Operator | Aug 1986 |
| 25346 | Sancho Oil & Gas LLC | | Oil & Gas Operator | Dec 2021 |
| 25347 | Sanco Operating Company | Bullard, TX 75757 | Oil & Gas Operator | Jun 2026 |
| 25348 | Sand Bar Oil Com | | Oil Operator | Jun 1986 |
| 25349 | Sand Boy Production Company | Bartlesville, OK 74003-9273 | Oil & Gas Operator | Jan 2025 |
| 25350 | Sand Creek Oil Co., Inc. | Lubbock, TX 79413 | Oil & Gas Operator | Jul 2012 |
| 25351 | Sand Creek Resources LLC | Woodward, OK 73801-5222 | Oil & Gas Operator | Mar 2026 |
| 25352 | Sand Dollar Ener | | Oil Operator | Aug 1984 |
| 25353 | Sand Dollar, LLC | Henderson, KY 42420 | Oil & Gas Operator | Dec 2018 |
| 25354 | Sand Hawk, LLC | Devers, TX 77538 | Oil & Gas Operator | Jun 2026 |
| 25355 | Sand Hill, LTD. | | Gas Operator | Dec 2024 |
| 25356 | Sand Point LLC | Oklahoma City, OK 73132 | Oil & Gas Operator | Dec 2020 |
| 25357 | Sand Point Production Inc | Oklahoma City, OK 73172 | Oil & Gas Operator | Feb 2026 |
| 25358 | Sand Resources LLC | Norman, OK 73072-4805 | Oil & Gas Operator | Aug 2012 |
| 25359 | Sand River O & E LLC | Amarillo, TX 79107 | Gas Operator | Dec 2004 |
| 25360 | Sand Springs Oil & Gas Co. | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2026 |
| 25361 | Sandalwood Exploration, L.P. | Houston, TX 77056 | Oil & Gas Operator | Jun 2026 |
| 25362 | Sandalwood Oil & Gas, Inc. | Houston, TX 77057 | Oil & Gas Operator | Jun 2026 |
| 25363 | Sandbar Oil & Gas Co | Lewisville, OH 43754 | Oil & Gas Operator | Dec 2025 |
| 25364 | Sandco Oil & Gas, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2015 |
| 25365 | Sandefer & Andress, Inc. | | Oil & Gas Operator | Apr 1982 |
| 25366 | Sandefer Larry | | Oil Operator | Aug 1993 |
| 25367 | Sandefer Petroleum Co. | | Oil & Gas Operator | Apr 1994 |
| 25368 | Sandel Energy, Inc. | Huntsville, TX 77342 | Oil & Gas Operator | Apr 2004 |
| 25369 | Sandel Operating Company | Huntsville, TX 77340 | Oil & Gas Operator | Jun 2026 |
| 25370 | Sanders & Smith, L.C. | Amarillo, TX 79110 | Oil & Gas Operator | Mar 2004 |
| 25371 | Sanders Energy LLC | Aledo, TX 76008 | Oil & Gas Operator | Jun 2026 |
| 25372 | Sanders Oil & Gas Co | Tyler, TX 75711 | Gas Operator | Aug 2017 |
| 25373 | Sanders Oil & Gas, LTD. | Granbury, TX 76048 | Oil & Gas Operator | Aug 2015 |
| 25374 | Sanders Petroleum Corp | Roswell, NM 88201 | Gas Operator | Oct 1996 |
| 25375 | Sanders, Arthur J. | Wichita, KS 67217 | Oil Operator | Nov 1989 |
| 25376 | Sanders, Jack W | Wellsville, KS 66092 | Oil Operator | Feb 1996 |
| 25377 | Sanders, Larry E. Trustee | Longview, TX 75606 | Oil & Gas Operator | Jun 2026 |
| 25378 | Sandhawk Energy, LLC | Houston, TX 77079 | Oil & Gas Operator | Jun 2011 |
| 25379 | Sandhill Production Inc | Shongaloo, LA 71072 | Oil & Gas Operator | Dec 2019 |
| 25380 | Sandhills Oil Co. | Copan, OK 74022 | Oil Operator | Aug 1997 |
| 25381 | Sandia Energy Corporation-NM | Holdenville, OK 74848 | Oil & Gas Operator | Aug 2003 |
| 25382 | Sandia Operating Corp. | San Antonio, TX 78270 | Oil & Gas Operator | May 2010 |
| 25383 | Sandia Production Co., Inc. | Corrales, NM 87048 | Oil & Gas Operator | Jun 2026 |
| 25384 | Sandler Raymond C | Los Angeles, CA 90067 | Oil Operator | Dec 1999 |
| 25385 | Sandlin Oil Corp | Dacono, CO 80514 | Oil & Gas Operator | Mar 2026 |
| 25386 | Sandlot Oil & Gas LLC | Gruver, TX 79040 | Oil & Gas Operator | Jun 2026 |
| 25387 | Sandlott Energy (Jackie Brewer Dba) | Lovington, NM 88260 | Oil & Gas Operator | Dec 2024 |
| 25388 | Sandman Exploration, L.L.C. | Georgetown, TX 78627 | Oil & Gas Operator | Jun 2026 |
| 25389 | Sandollar Oil & Gas, Inc. | Hallsville, TX 75650 | Oil & Gas Operator | Feb 1993 |
| 25390 | Sandor Petroleum Corporation | Crane, TX 79731 | Oil & Gas Operator | Jun 2026 |
| 25391 | Sandpoint Energy Partners LLC | | Oil Operator | Jan 2025 |
| 25392 | Sandpoint Operating, LLC | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2026 |
| 25393 | Sandpoint Texas LLC | Houston, TX 77270 | Oil & Gas Operator | Jun 2026 |
| 25394 | Sandra Corporation (The) | Pampa, TX 79066-2474 | Gas Operator | Oct 1996 |
| 25395 | Sandra Turner Dba Grand Lake Resources | Hennessey, OK 73742 | Oil & Gas Operator | Feb 2026 |
| 25396 | Sandridge Energy, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2018 |
| 25397 | Sandridge Exploration And Production LLC | Oklahoma City, OK 73104 | Oil & Gas Operator | Jun 2026 |
| 25398 | Sandridge Offshore, LLC | Houston, TX 77042 | Oil & Gas Operator | Apr 2014 |
| 25399 | Sandridge Onshore, LLC | Houston, TX 77010 | Oil & Gas Operator | Jun 2014 |
| 25400 | Sandridge Tertiary, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2012 |