| 25201 | Saco Oil Company | El Dorado, KS 67042 | Oil Operator | Jan 2001 |
| 25202 | Saco, Town Of | Saco, MT 59261 | Gas Operator | Mar 2026 |
| 25203 | Sacramento Energy Inc. | | Oil & Gas Operator | Dec 2025 |
| 25204 | Sacramento Oil & Gas Co. | | Gas Operator | Dec 2003 |
| 25205 | Saddle Creek Energy Development | Dallas, TX 75251 | Oil & Gas Operator | Nov 2008 |
| 25206 | Saddle Creek Oil, LLC | Albany, TX 76430 | Oil Operator | Jun 2026 |
| 25207 | Saddle Rim Energy (Texas), LLC | Greenwood VLG, CO 80111 | Oil Operator | Jun 2026 |
| 25208 | Saddleback Exploration, LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2024 |
| 25209 | Safari Oil Corporation | Gainesville, TX 76240 | Oil & Gas Operator | Sep 2003 |
| 25210 | Safari Production Company, Inc. | McAllen, TX 78501 | Oil & Gas Operator | Jun 2026 |
| 25211 | Safari Resources, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2026 |
| 25212 | Safe Earth Management Inc | | Oil Operator | Nov 2021 |
| 25213 | Safe Earth Management LLC | Hammon, OK 73650 | Oil Operator | Nov 2025 |
| 25214 | Safemark Oil & Gas, LLC | McKinney, TX 75072 | Oil & Gas Operator | Jun 2026 |
| 25215 | Safford, Dianne L. | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2024 |
| 25216 | Safire Resources LLC (Osage Only) | | Oil & Gas Operator | Mar 2026 |
| 25217 | Sag Oil Company LLC | Wellsville, KS 66092 | Oil Operator | Feb 2026 |
| 25218 | Saga Pet. LTD Liability Co Of Co | Midland, TX 79701 | Oil & Gas Operator | Apr 2004 |
| 25219 | Saga Petroleum Corp. | Midland, TX 79701 | Oil & Gas Operator | Mar 2008 |
| 25220 | Saga Petroleum Limited Liability Co Of Co | | Oil & Gas Operator | Sep 2015 |
| 25221 | Saga Petroleum Limited Liability Co. | Midland, TX 79701 | Oil & Gas Operator | Apr 2008 |
| 25222 | Saga Petroleum Limited Liability Company Of Colorado | | Gas Operator | Dec 2014 |
| 25223 | Saga Petroleum LLC Of Colorado | Norman, OK 73072 | Oil & Gas Operator | Jun 2026 |
| 25224 | Saga Petroleum, LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2018 |
| 25225 | Saga Resource Management LLC | | Gas Operator | Mar 2026 |
| 25226 | Sage Butte PRB Operating, LLC | Denver, CO 80202 | Oil & Gas Operator | Mar 2026 |
| 25227 | Sage Creek Colony | Chester, MT 59522 | Gas Operator | Mar 2026 |
| 25228 | Sage Drilling Co Inc | Wichita, KS 67202 | Oil & Gas Operator | Nov 1998 |
| 25229 | Sage Energy Company | San Antonio, TX 78215 | Oil & Gas Operator | Jun 2026 |
| 25230 | Sage Energy Inc | Dublin, OH 43017 | Oil & Gas Operator | Dec 1988 |
| 25231 | Sage Natural Resources LLC | Tulsa, OK 74170 | Oil & Gas Operator | Jun 2026 |
| 25232 | Sage NR Ok LLC | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2026 |
| 25233 | Sage Oil And Gas, LLC | Graham, TX 76450 | Gas Operator | Jun 2026 |
| 25234 | Sage Petroleum Co. | Borger, TX 79007 | Oil & Gas Operator | Dec 2002 |
| 25235 | Sage Petroleum LLC | Casper, WY 82601 | Oil Operator | Jun 2008 |
| 25236 | Sage, Larry George | Virgil, KS 66870 | Oil Operator | Dec 2019 |
| 25237 | Sage-California | | Oil Operator | Dec 1988 |
| 25238 | Sagebrush Oil Inc. | Deming, NM 88030 | Oil Operator | Apr 2026 |
| 25239 | Sagebrush Oilandgas Company,LLC | Midland, TX 79701 | Oil & Gas Operator | Mar 2010 |
| 25240 | Sagebrush Operating LLC | Denver, CO 80203 | Oil & Gas Operator | Jan 2026 |
| 25241 | Sagebrush Resources, LLC | | Oil & Gas Operator | Jan 2011 |
| 25242 | Sagely Floyd E Properties LTD | Fort Smith, AR 72917-0308 | Gas Operator | Jan 2015 |
| 25243 | Sager, Judith A. & Ronald | Perrysburg, NY 14129 | Gas Operator | Dec 2024 |
| 25244 | Saglio, Inc. | Clay, WV 25043-0712 | Gas Operator | Dec 2021 |
| 25245 | Saguaro Petroleum, LLC | Midland, TX 79705 | Oil & Gas Operator | Jun 2026 |
| 25246 | Sahara Gas & Exploration, Inc. | | Gas Operator | Mar 2002 |
| 25247 | Sahara Operating Company | Midland, TX 79704 | Oil & Gas Operator | Jun 2026 |
| 25248 | Saiber Michael L & Lora L | Saxonburg, PA 16056 | Oil Operator | Mar 1997 |
| 25249 | Saint John Exploration & Production, Inc. | Williamsville, NY 14221 | Oil Operator | Dec 2024 |
| 25250 | Sajac Energy Company LLC | Duncan, OK 73533 | Oil & Gas Operator | Mar 2026 |
| 25251 | Salem Oil LLC | | Oil Operator | Mar 2026 |
| 25252 | Salerno, Peter T., Jr. | Clyde, NY 14433 | Gas Operator | Dec 2024 |
| 25253 | Salida Exploration, LLC | Abilene, TX 79603 | Oil & Gas Operator | Jun 2026 |
| 25254 | Salient Energy, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 25255 | Saline Injection Systems Co. | | Oil Operator | Jan 2025 |
| 25256 | Saling Oil Co. | Abilene, TX 79604 | Oil & Gas Operator | Dec 2002 |
| 25257 | Sallee Oil Corporation | Collinsville, OK 74021 | Oil & Gas Operator | Feb 2026 |
| 25258 | Sally Oil Company | | Oil Operator | Sep 2016 |
| 25259 | Salmon, Raymond Jr Estate | Nocona, TX 76255 | Oil Operator | Jun 2026 |
| 25260 | Salmon, Raymond, Jr. | Nocona, TX 76255 | Oil & Gas Operator | Sep 2017 |
| 25261 | Salt Creek Energy Company LLC | Shawnee, OK 74802-1505 | Oil & Gas Operator | Feb 2026 |
| 25262 | Salt Creek JT Venture | Pittsburgh, PA 15219-2702 | Oil & Gas Operator | Dec 1986 |
| 25263 | Salt Creek Oil Corporation | Irving, TX 75016 | Oil & Gas Operator | Dec 1993 |
| 25264 | Salt Creek Operating LLC | FT Morgan, CO 80701 | Oil & Gas Operator | Mar 2020 |
| 25265 | Salt Creek Production, Inc. | Big Spring, TX 79721 | Oil & Gas Operator | Jun 2026 |
| 25266 | Salt Creek Resources, LLC | Caney, KS 67333 | Oil Operator | Oct 2019 |
| 25267 | Salt Creek West Partners | | Oil Operator | Jul 1995 |
| 25268 | Salt Fork Produc | | Oil Operator | Oct 1987 |
| 25269 | Salt Fork Producers Inc | Pond Creek, OK 73766 | Oil & Gas Operator | Jan 1995 |
| 25270 | Salt Of The Earth Energy, LLC | Montgomery, TX 77356 | Oil & Gas Operator | Jun 2026 |
| 25271 | Salty Dog Disposal LLC | Cement, OK 73017 | Oil Operator | Apr 2026 |
| 25272 | Salty Lime Energy, LLC | Ovalo, TX 79541 | Oil Operator | Jun 2026 |
| 25273 | Salvador Oil, LLC | Dallas, TX 75201 | Oil & Gas Operator | Jun 2026 |
| 25274 | Sam Aertker | | Oil Operator | Jul 1992 |
| 25275 | Sam Jones & Assoc Prod Div Inc | | Oil & Gas Operator | Feb 1999 |
| 25276 | Sam K VIersen | Okmulgee, OK 74447 | Oil & Gas Operator | Jun 1996 |
| 25277 | Sam Koehler Enterprises, Inc. | Andover, NY 14806 | Oil & Gas Operator | Dec 2024 |
| 25278 | Sam Myers | | Oil & Gas Operator | Nov 1988 |
| 25279 | Sam R. Brown | | Oil Operator | Mar 1987 |
| 25280 | Sam Spears, Jr. | | Oil & Gas Operator | Sep 1998 |
| 25281 | Sam W Mays Jr LLC | Eureka, KS 67045 | Oil & Gas Operator | Apr 2018 |
| 25282 | Samantha Petroleum Corp. | | Oil & Gas Operator | Apr 1987 |
| 25283 | Samco | Whitesboro, TX 76273 | Oil & Gas Operator | Aug 2013 |
| 25284 | Samco Investments | | Oil Operator | Jan 2026 |
| 25285 | Samedan Energy Development Cor | | Oil & Gas Operator | Feb 1987 |
| 25286 | Samedan Oil Corp. -Offshore Div. | Houston, TX 77067 | Oil & Gas Operator | Dec 2002 |
| 25287 | Samedan Oil Corp. Et Al | | Oil & Gas Operator | Jan 1989 |
| 25288 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |
| 25289 | Samhill LLC | Tonkawa, OK 74653-5533 | Oil & Gas Operator | Feb 2026 |
| 25290 | Samis Oil Company, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Sep 2000 |
| 25291 | Sammax Operating LLC | Snyder, TX 79549 | Oil Operator | Jun 2026 |
| 25292 | Sammy D. Thrash | | Oil & Gas Operator | May 2012 |
| 25293 | Sammy D. Thrash, LLC | | Oil & Gas Operator | May 2019 |
| 25294 | Sample Exploration | | Oil & Gas Operator | Jul 2002 |
| 25295 | Samples James F | Brinkhaven, OH 43006 | Oil & Gas Operator | Dec 2021 |
| 25296 | Sampson Operators | | Oil & Gas Operator | Mar 2026 |
| 25297 | Sampson, Lowell | | Oil & Gas Operator | Dec 2001 |
| 25298 | Sams Energy, Inc. | Abilene, TX 79604 | Oil & Gas Operator | May 1998 |
| 25299 | Samson Contour Energy E&P, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2017 |
| 25300 | Samson Exploration LLC | Tulsa, OK 74101 | Oil & Gas Operator | Mar 2026 |