| 26201 | Samson Gas Producing Company | Tulsa, OK 74103 | Oil & Gas Operator | May 2001 |
| 26202 | Samson Hydrocarbons Company | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2016 |
| 26203 | Samson Kelley Operating Co., LTD. | | Oil & Gas Operator | Feb 2004 |
| 26204 | Samson Lone Star LP | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2007 |
| 26205 | Samson Lone Star, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2025 |
| 26206 | Samson Natural Gas Co | | Oil & Gas Operator | Oct 1992 |
| 26207 | Samson Natural Gas Co And Miller Energy Miller Oil | | Oil & Gas Operator | Aug 2000 |
| 26208 | Samson Oil & Gas USA Inc | Denver, CO 80202 | Oil & Gas Operator | Nov 2025 |
| 26209 | Samson Properties, Incorporated | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2008 |
| 26210 | Samson Res Co | Tulsa, OK 74103-3103 | Gas Operator | Jan 2015 |
| 26211 | Samson Resources | | Oil Operator | Jan 1994 |
| 26212 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Oct 2025 |
| 26213 | Samson Resources Company LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2021 |
| 26214 | Samuel Dale Hughes Dba Hughes Drilling Co. | Artesia, NM 88211026 | Oil Operator | Oct 2025 |
| 26215 | Samuel Gary Jr. & Assoc., Inc. | | Oil & Gas Operator | Mar 2023 |
| 26216 | Samuel Gary Jr. & Associates, Inc. | Denver, CO 80202 | Oil & Gas Operator | Jun 2025 |
| 26217 | Samuel Jackson Production Co | | Oil Operator | Jun 2025 |
| 26218 | Samuel Joe L | Tulsa, OK 74135-7805 | Oil & Gas Operator | Jan 2001 |
| 26219 | Samuelson, Peter Philip | Bemus Point, NY 14712 | Gas Operator | Dec 2024 |
| 26220 | Samurai Operating Co. L.L.C. | Dayton, TX 77535 | Oil & Gas Operator | Dec 2025 |
| 26221 | San Angelo Cetco, Inc. | San Angelo, TX 76901 | Oil & Gas Operator | Mar 1998 |
| 26222 | San Antonio Gas & Oil, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2000 |
| 26223 | San Cajo Oil Company | Edmonds, WA 98020 | Oil & Gas Operator | Dec 2025 |
| 26224 | San Carlos Oil & Gas Corp. | | Gas Operator | Dec 2003 |
| 26225 | San Dia Producing Company | Deanville, TX 77852 | Oil & Gas Operator | Dec 2025 |
| 26226 | San Francisco-Okla Pet Ex Inc | | Oil & Gas Operator | Apr 2014 |
| 26227 | San Isidro Development Co, L. C. | Sandia, TX 78383 | Oil & Gas Operator | Dec 2025 |
| 26228 | San Joaquin Facilities Management Inc. | | Oil & Gas Operator | Nov 2025 |
| 26229 | San Juan Minerals Explor | Mexican Hat, UT 84531 | Oil & Gas Operator | Apr 2006 |
| 26230 | San Juan Resources, Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2025 |
| 26231 | San Juan Services, Inc. | Farmington, NM 87402 | Oil Operator | Dec 2011 |
| 26232 | San Marco Petroleum Inc | Denver, CO 80293 | Oil & Gas Operator | Oct 2025 |
| 26233 | San Miguel Oil & Gas, Inc. | | Oil & Gas Operator | Jan 1993 |
| 26234 | San Patricio Corporation | Dinero, TX 78350 | Oil & Gas Operator | Sep 2003 |
| 26235 | San Pet Inc | McPherson, KS 67460 | Oil Operator | May 1997 |
| 26236 | San Saba Energy | Hays, KS 67601 | Oil Operator | May 1998 |
| 26237 | Sananco Energy C | | Oil Operator | Aug 1987 |
| 26238 | Sananco Energy Corp | Naples, FL 33941 | Oil & Gas Operator | Jul 2013 |
| 26239 | Sanare Energy Partners, LLC | | Oil & Gas Operator | Dec 2024 |
| 26240 | Sanchez Exploration Company LLC | Houston, TX 77056 | Oil & Gas Operator | Oct 2024 |
| 26241 | Sanchez Oil & Gas Corporation | Houston, TX 77056 | Oil & Gas Operator | Dec 2025 |
| 26242 | Sanchez Production, LLC | Pampa, TX 79065 | Oil & Gas Operator | Dec 2025 |
| 26243 | Sanchez-O'Brien | | Oil & Gas Operator | Dec 1984 |
| 26244 | Sanchez-O'Brien Oil & Gas Corp | Houston, TX 77057 | Oil & Gas Operator | May 1998 |
| 26245 | Sanchez-Obrien Oil & Gas | | Oil & Gas Operator | Aug 1986 |
| 26246 | Sancho Oil & Gas LLC | | Oil & Gas Operator | Dec 2021 |
| 26247 | Sanco Operating Company | Bullard, TX 75757 | Oil & Gas Operator | Dec 2025 |
| 26248 | Sand Bar Oil Com | | Oil Operator | Jun 1986 |
| 26249 | Sand Boy Production Company | Bartlesville, OK 74003-9273 | Oil & Gas Operator | Jan 2025 |
| 26250 | Sand Creek Oil Co., Inc. | Lubbock, TX 79413 | Oil & Gas Operator | Jul 2012 |
| 26251 | Sand Creek Resources LLC | Woodward, OK 73801-5222 | Oil & Gas Operator | Oct 2025 |
| 26252 | Sand Dollar Ener | | Oil Operator | Aug 1984 |
| 26253 | Sand Dollar, LLC | Henderson, KY 42420 | Oil & Gas Operator | Dec 2018 |
| 26254 | Sand Hawk, LLC | Devers, TX 77538 | Oil & Gas Operator | Dec 2025 |
| 26255 | Sand Hill, LTD. | | Gas Operator | Dec 2024 |
| 26256 | Sand Point LLC | Oklahoma City, OK 73132 | Oil & Gas Operator | Dec 2020 |
| 26257 | Sand Point Production Inc | Oklahoma City, OK 73172 | Oil & Gas Operator | Oct 2025 |
| 26258 | Sand Resources LLC | Norman, OK 73072-4805 | Oil & Gas Operator | Aug 2012 |
| 26259 | Sand River O & E LLC | Amarillo, TX 79107 | Gas Operator | Dec 2004 |
| 26260 | Sand Springs Oil & Gas Co. | Tulsa, OK 74136 | Oil & Gas Operator | Dec 2025 |
| 26261 | Sandalwood Exploration, L.P. | Houston, TX 77056 | Oil & Gas Operator | Dec 2025 |
| 26262 | Sandalwood Oil & Gas, Inc. | Houston, TX 77057 | Oil & Gas Operator | Dec 2025 |
| 26263 | Sandbar Oil & Gas Co | Lewisville, OH 43754 | Oil & Gas Operator | Dec 2024 |
| 26264 | Sandco Oil & Gas, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2015 |
| 26265 | Sandefer & Andress, Inc. | | Oil & Gas Operator | Apr 1982 |
| 26266 | Sandefer Larry | | Oil Operator | Aug 1993 |
| 26267 | Sandefer Petroleum Co. | | Oil & Gas Operator | Apr 1994 |
| 26268 | Sandel Energy, Inc. | Huntsville, TX 77342 | Oil & Gas Operator | Apr 2004 |
| 26269 | Sandel Operating Company | Huntsville, TX 77340 | Oil & Gas Operator | Dec 2025 |
| 26270 | Sanders & Smith, L.C. | Amarillo, TX 79110 | Oil & Gas Operator | Mar 2004 |
| 26271 | Sanders Energy LLC | Aledo, TX 76008 | Oil & Gas Operator | Dec 2025 |
| 26272 | Sanders Oil & Gas Co | Tyler, TX 75711 | Gas Operator | Aug 2017 |
| 26273 | Sanders Oil & Gas, LTD. | Granbury, TX 76048 | Oil & Gas Operator | Aug 2015 |
| 26274 | Sanders Petroleum Corp | Roswell, NM 88201 | Gas Operator | Oct 1996 |
| 26275 | Sanders, Arthur J. | Wichita, KS 67217 | Oil Operator | Nov 1989 |
| 26276 | Sanders, Jack W | Wellsville, KS 66092 | Oil Operator | Feb 1996 |
| 26277 | Sanders, Larry E. Trustee | Longview, TX 75606 | Oil & Gas Operator | Dec 2025 |
| 26278 | Sandhawk Energy, LLC | Houston, TX 77079 | Oil & Gas Operator | Jun 2011 |
| 26279 | Sandhill L.L.C. | Wichita, KS 67202 | Gas Operator | Jun 2003 |
| 26280 | Sandhill Production Inc | Shongaloo, LA 71072 | Oil & Gas Operator | Dec 2019 |
| 26281 | Sandhills Oil Co. | Copan, OK 74022 | Oil Operator | Aug 1997 |
| 26282 | Sandia Energy Corporation-NM | Holdenville, OK 74848 | Oil & Gas Operator | Aug 2003 |
| 26283 | Sandia Operating Corp. | San Antonio, TX 78270 | Oil & Gas Operator | May 2010 |
| 26284 | Sandia Production Co., Inc. | Corrales, NM 87048 | Oil & Gas Operator | Dec 2025 |
| 26285 | Sandler Raymond C | Los Angeles, CA 90067 | Oil Operator | Dec 1999 |
| 26286 | Sandlin Oil Corp | Dacono, CO 80514 | Oil & Gas Operator | Oct 2025 |
| 26287 | Sandlot Oil & Gas LLC | Gruver, TX 79040 | Oil & Gas Operator | Dec 2025 |
| 26288 | Sandlott Energy (Jackie Brewer Dba) | Lovington, NM 88260 | Oil & Gas Operator | Dec 2024 |
| 26289 | Sandman Exploration, L.L.C. | Georgetown, TX 78627 | Oil & Gas Operator | Dec 2025 |
| 26290 | Sandollar Oil & Gas, Inc. | Hallsville, TX 75650 | Oil & Gas Operator | Feb 1993 |
| 26291 | Sandor Petroleum Corporation | Crane, TX 79731 | Oil & Gas Operator | Dec 2025 |
| 26292 | Sandpoint Energy Partners LLC | | Oil Operator | Jan 2025 |
| 26293 | Sandpoint Operating, LLC | San Antonio, TX 78209 | Oil & Gas Operator | Aug 2025 |
| 26294 | Sandpoint Texas LLC | Houston, TX 77270 | Oil Operator | Dec 2025 |
| 26295 | Sandra Corporation (The) | Pampa, TX 79066-2474 | Gas Operator | Oct 1996 |
| 26296 | Sandridge Energy, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | May 2018 |
| 26297 | Sandridge Exploration And Production LLC | Oklahoma City, OK 73104 | Oil & Gas Operator | Dec 2025 |
| 26298 | Sandridge Offshore, LLC | Houston, TX 77042 | Oil & Gas Operator | Apr 2014 |
| 26299 | Sandridge Onshore, LLC | Houston, TX 77010 | Oil & Gas Operator | Jun 2014 |
| 26300 | Sandridge Tertiary, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2012 |