| 28201 | Stalnaker Energy Corporation | | Oil & Gas Operator | Dec 2021 |
| 28202 | Stalnaker Oil Company | Maud, OK 74854-0295 | Oil Operator | May 2017 |
| 28203 | Stalnaker, William K | | Oil & Gas Operator | Dec 2008 |
| 28204 | Stalwart Energy Co | Tulsa, OK 74103-3518 | Oil & Gas Operator | Apr 2014 |
| 28205 | Stamic Oil LLC | Duncan, OK 73534-1898 | Oil & Gas Operator | Oct 2021 |
| 28206 | Stampede Energy Corp. | Canada, 00100 | Oil & Gas Operator | Mar 2000 |
| 28207 | Stamper Operating Co., Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2025 |
| 28208 | Stanco Petroleum Inc | Kimball, NE 69145 | Oil & Gas Operator | Jul 1999 |
| 28209 | Standard Alaska Production Company | | Oil & Gas Operator | Dec 1987 |
| 28210 | Standard Energy Inc | | Oil Operator | Feb 1997 |
| 28211 | Standard Oil Co Of Calif | | Oil & Gas Operator | Dec 1983 |
| 28212 | Standard Oil Co Of WV | Walton, WV 25286 | Oil & Gas Operator | Dec 2023 |
| 28213 | Standard Oil Company, Inc. | Parkesburg, WV 26103 | Oil & Gas Operator | Mar 2022 |
| 28214 | Standard Oil Of Kentucky, Inc | | Oil Operator | Dec 2022 |
| 28215 | Standard Oil Tools, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Apr 2025 |
| 28216 | Standard Operating Company | Wichita, KS 67205 | Oil & Gas Operator | Dec 2024 |
| 28217 | Standard Operating Company, LLC | | Oil & Gas Operator | May 2022 |
| 28218 | Standard Operating Inc | | Oil Operator | Jun 1986 |
| 28219 | Standard Production | | Oil Operator | Oct 1997 |
| 28220 | Standard Resources Corp. | Houston, TX 77063 | Oil & Gas Operator | Apr 2025 |
| 28221 | Standard Silver Corp | Richardson, TX 750801946 | Gas Operator | Aug 2024 |
| 28222 | Standby Farms | Louisville, OH 44641 | Oil & Gas Operator | Dec 2023 |
| 28223 | Standing Bear Petroleum Inc. | | Oil & Gas Operator | Dec 2005 |
| 28224 | Standley* Robert K Dba Otis Energy | | Oil Operator | Jan 2023 |
| 28225 | Stanlee Oil LLC | | Oil Operator | Dec 2024 |
| 28226 | Stanoco Oil Co | Central City, KY 42330 | Oil & Gas Operator | Dec 2021 |
| 28227 | Stanolind Operating Corp. | Midland, TX 79701 | Oil & Gas Operator | Apr 2008 |
| 28228 | Stanolind Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2021 |
| 28229 | Stanolind Operating LLC Dba Stanolind NM LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2014 |
| 28230 | Stanolind Permian LLC | Midland, TX 79705 | Oil & Gas Operator | Apr 2025 |
| 28231 | Stanolind Production LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2020 |
| 28232 | Stanolind SJ LLC | Midland, TX 79701 | Oil & Gas Operator | Nov 2018 |
| 28233 | Stanotex, LLC | Katy, TX 77494 | Oil & Gas Operator | Apr 2025 |
| 28234 | Stanton Joni Dba Stanton Oil | Wynona, OK 74084 | Oil Operator | Jan 2025 |
| 28235 | Stanton Leo F & Leo H | Wynona, OK 74084 | Oil & Gas Operator | Jun 1999 |
| 28236 | Stanton Mineral Development Inc | Austin, TX 78759 | Oil & Gas Operator | Apr 2025 |
| 28237 | Staples, James W. | Tuleta, TX 78162 | Oil & Gas Operator | Sep 2014 |
| 28238 | Staples, James W. Prod. Co. | Tuleta, TX 78162 | Oil & Gas Operator | Apr 2025 |
| 28239 | Staples, Tommy Oil Co. | Pettus, TX 78146 | Oil & Gas Operator | Mar 2008 |
| 28240 | Star Acquisition VII, LLC | Littleton, CO 801249743 | Oil & Gas Operator | Jul 2007 |
| 28241 | Star Energy Inc | Dayton, PA 16222-4325 | Oil & Gas Operator | Dec 2023 |
| 28242 | Star Expl Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1988 |
| 28243 | Star Falcon Oil Co. | | Oil Operator | Feb 1986 |
| 28244 | Star Of Texas Energy SRVS, Inc. | Austin, TX 78702 | Oil & Gas Operator | Apr 2025 |
| 28245 | Star Oil & Gas | Ben Bolt, TX 78342 | Oil & Gas Operator | Apr 2025 |
| 28246 | Star Oil & Gas, Inc. | | Oil & Gas Operator | Sep 1995 |
| 28247 | Star Oil And Gas LTD | Racine, OH 45771 | Oil & Gas Operator | Dec 2023 |
| 28248 | Star Oil Company | Wichita, KS 67230 | Oil & Gas Operator | Aug 2024 |
| 28249 | Star Oil Operating Company LLC | Laramie, WY 82073 | Oil & Gas Operator | Mar 2025 |
| 28250 | Star One Energy, Inc. | Fort Worth, TX 76163 | Oil & Gas Operator | May 2012 |
| 28251 | Star Operating, Inc | Fort Worth, TX 76185 | Oil & Gas Operator | Apr 2025 |
| 28252 | Star Production, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Apr 2025 |
| 28253 | Star Resources LLC | Englewood, CO 80155-5185 | Oil & Gas Operator | Dec 2013 |
| 28254 | Star Resources, LTD. | Wichita, KS 67202 | Oil Operator | Nov 2002 |
| 28255 | Star Royalty Company | Oklahoma City, OK 73177 | Gas Operator | Sep 1998 |
| 28256 | Star-Jet Co. | Gainesville, TX 76240 | Oil Operator | Apr 2025 |
| 28257 | Starbrite Energy LLC | Enid, OK 73702-0549 | Oil & Gas Operator | Oct 2018 |
| 28258 | Starco Exploration, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Apr 2025 |
| 28259 | Stardust Leasing, Inc. | Richmond, TX 77469 | Oil & Gas Operator | Jul 1999 |
| 28260 | Stargas Co | Tulsa, OK 74136-5407 | Oil & Gas Operator | Aug 2013 |
| 28261 | Stark Oil Properties | Asher, OK 74826 | Oil & Gas Operator | Jan 1997 |
| 28262 | Stark Petroleum | Tuleta, TX 78162 | Oil & Gas Operator | Apr 2025 |
| 28263 | Stark, Eric | Wellsville, NY 14895 | Oil & Gas Operator | Dec 2023 |
| 28264 | Starkey Oilfield Service, Inc. | Sweet Home, TX 77987 | Oil & Gas Operator | Aug 2004 |
| 28265 | Starks Leslie | Wetumka, OK 74883-0003 | Oil & Gas Operator | Oct 1995 |
| 28266 | Starlight Resources LLC | | Oil & Gas Operator | Jun 2006 |
| 28267 | Starlight Ridge | Whitesboro, TX 76273 | Oil & Gas Operator | Apr 2025 |
| 28268 | Starr Operating Company | Austin, TX 78759 | Oil & Gas Operator | Apr 2025 |
| 28269 | Starr Operating, LLC | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2025 |
| 28270 | Starrak Operating Company, Inc. | Midland, TX 79706 | Oil & Gas Operator | Jun 1999 |
| 28271 | Startap, Inc. | Conroe, TX 77305 | Oil Operator | Apr 2025 |
| 28272 | Startex Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Apr 2025 |
| 28273 | Stasney Well Service, LLC | Albany, TX 76430 | Oil & Gas Operator | Apr 2025 |
| 28274 | Stasney, H. R. & Sons, LTD. | Albany, TX 76430 | Oil & Gas Operator | Apr 2025 |
| 28275 | State Energy & Investment Inc. | | Oil & Gas Operator | Mar 1990 |
| 28276 | State Lands Commission | | Oil & Gas Operator | Dec 2024 |
| 28277 | State Line Exploration, LLC | | Oil & Gas Operator | Feb 2025 |
| 28278 | State Line Vacuum Services, LLC | | Oil Operator | Mar 2021 |
| 28279 | State Oil Company | | Oil & Gas Operator | Mar 2006 |
| 28280 | States Exploration Inc | | Oil Operator | Jul 1985 |
| 28281 | Stateside Energy Group LLC | North Miami Beach, FL 33435 | Oil & Gas Operator | Dec 2023 |
| 28282 | Statex Operating, LLC | Dallas, TX 75229 | Oil & Gas Operator | Mar 2007 |
| 28283 | Statex Petroleum Inc | Dallas, TX 75229 | Oil & Gas Operator | Dec 2000 |
| 28284 | Statia Enterprises, Inc | Irving, TX 75014 | Oil & Gas Operator | Apr 2025 |
| 28285 | Statoil Exploration (Us) Inc. | | Oil & Gas Operator | Jul 1997 |
| 28286 | Statoil Oil & Gas LP | Austin, TX 78730 | Oil & Gas Operator | Oct 2018 |
| 28287 | Statoil Texas Onshore Prop LLC | Austin, TX 78730 | Oil & Gas Operator | Dec 2018 |
| 28288 | Statoil USA Onshore Properties Inc | Austin, TX 78730 | Oil & Gas Operator | Jun 2018 |
| 28289 | Staton Petroleum Inc | | Oil & Gas Operator | Dec 1994 |
| 28290 | Status Oil Well, Inc. | Charlotte, NC 28270 | Oil & Gas Operator | Dec 2011 |
| 28291 | Staub, Larry | Richardson, TX 75080 | Oil & Gas Operator | Aug 2003 |
| 28292 | Staub, Larry, Inc. | Azle, TX 76020 | Oil & Gas Operator | Apr 2025 |
| 28293 | Stauffer Oil & G | | Oil Operator | Jun 1987 |
| 28294 | Stauros Operating Company | Edmond, OK 73083-2707 | Oil & Gas Operator | Mar 2001 |
| 28295 | Stauter, Richard J. | Greeley, CO 80634 | Gas Operator | Apr 1996 |
| 28296 | STB Energy Inc. | Tulsa, OK 74105 | Oil & Gas Operator | Jul 2008 |
| 28297 | STD Steel | Latrobe, PA 15650-0071 | Oil & Gas Operator | Dec 2002 |
| 28298 | Steadfast Oil & Gas, LLC | Midland, TX 79707 | Oil & Gas Operator | Oct 2022 |
| 28299 | Stealth Energy Inc | Billings, MT 59101 | Oil Operator | Dec 2011 |
| 28300 | Stealth Energy USA Inc | Billings, MT 59104 | Oil Operator | Dec 2017 |