| 5201 | Searcy Brothers Inc | Tulsa, OK 74135-0433 | Oil Operator | Jun 2004 |
| 5202 | Sears Joe M | Bethany, OK 730084841 | Oil & Gas Operator | May 2013 |
| 5203 | Sears M N | Oklahoma City, OK 73143 | Oil & Gas Operator | Apr 2015 |
| 5204 | Seay Dennis Regan | | Oil Operator | Jan 2001 |
| 5205 | Sec Production Inc | Edmond, OK 73013-3709 | Oil & Gas Operator | Feb 2026 |
| 5206 | Sedna Energy LLC | Blanchard, OK 73010-8043 | Gas Operator | Apr 2017 |
| 5207 | Seely Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | May 2026 |
| 5208 | Selby Larry Monroe | Bartlesville, OK 74006 | Oil & Gas Operator | Apr 2020 |
| 5209 | Selco Oil And Gas Inc | Alamo, CA 94507 | Oil & Gas Operator | Feb 2026 |
| 5210 | Select Exploration Group LLC | Eufaula, OK 74432 | Oil & Gas Operator | May 2024 |
| 5211 | Select Operating Company Inc | Dallas, TX 75225 | Oil & Gas Operator | Mar 2014 |
| 5212 | Select Water Solutions, LLC | Gainesville, TX 76240 | Oil Operator | Jan 2026 |
| 5213 | Sell Drilling LLC | | Oil Operator | Feb 2011 |
| 5214 | Sell Well Servicing Company Osage Only | | Oil & Gas Operator | Nov 2019 |
| 5215 | Sell, David E | | Oil Operator | Feb 2026 |
| 5216 | Sellers Donald J | Depew, OK 74028-2442 | Oil Operator | Jan 2013 |
| 5217 | Sellers Jack B Estate Of | Cleveland, OK 74020 | Oil & Gas Operator | Jan 2026 |
| 5218 | Sellers Mark A | Drumright, OK 74030 | Oil & Gas Operator | Mar 2020 |
| 5219 | Sellers O N | Henryetta, OK 74437 | Oil & Gas Operator | May 1997 |
| 5220 | Sellmeyer Eugene | Collinsville, OK 74021 | Oil & Gas Operator | Mar 2015 |
| 5221 | Sellmeyer Frank | San Rafael, CA 94901-1339 | Oil Operator | Dec 2014 |
| 5222 | Seminole Company (The) | | Oil Operator | Dec 1994 |
| 5223 | Seminole Oil Productions LLC | Surprise, AZ 85387-2015 | Oil Operator | Apr 2020 |
| 5224 | Seminole Tank Service | Seminole, OK 74818-1587 | Oil & Gas Operator | Jan 2026 |
| 5225 | Semper Fidelis Oil & Gas, LLC | Allen, TX 75013 | Oil & Gas Operator | Apr 2013 |
| 5226 | Senax Inc | Tulsa, OK 74105-2206 | Oil & Gas Operator | Feb 2026 |
| 5227 | Seneca Oil Company | Tulsa, OK 74121-1518 | Oil & Gas Operator | Jan 2015 |
| 5228 | Seneca Resources Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2017 |
| 5229 | Senico Production Company | Irving, TX 75016-5229 | Oil & Gas Operator | Mar 2002 |
| 5230 | Sensor Oil & Gas, Inc. | Duncan, OK 73534 | Oil & Gas Operator | May 2013 |
| 5231 | Sentinel Petroleum Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2020 |
| 5232 | Sequoyah Energy Holdings LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 2026 |
| 5233 | Serendipity Operating LLC | Sparks, NV 89436-9328 | Oil & Gas Operator | Jan 2026 |
| 5234 | Serendipity Production Company LC | Guthrie, OK 73044 | Oil & Gas Operator | Apr 2020 |
| 5235 | Service Clearing Corp | Dallas, TX 75229 | Oil & Gas Operator | May 2026 |
| 5236 | Service Drilling Co. | Tulsa, OK 74119 | Oil & Gas Operator | Oct 1998 |
| 5237 | Service Drilling Co., L.L.C. | Tulsa, OK 74119 | Oil & Gas Operator | Oct 2003 |
| 5238 | Sessions Billy C | Muskogee, OK 74401-5323 | Oil Operator | Apr 2007 |
| 5239 | Setex Oil And Gas Company | Houston, TX 77002 | Oil & Gas Operator | Feb 2012 |
| 5240 | Settlers Corporation | Oklahoma City, OK 73116 | Oil & Gas Operator | Nov 2000 |
| 5241 | Settlers Energy Corporation | Oklahoma City, OK 73113 | Oil & Gas Operator | Apr 1998 |
| 5242 | Seven Horses LLC | Alva, OK 73717-5004 | Oil & Gas Operator | Feb 2026 |
| 5243 | Seven J Oil Inc | Jenning, OK 74038-9729 | Oil & Gas Operator | Sep 2025 |
| 5244 | Seventh Corporation The | Oklahoma City, OK 73107 | Oil & Gas Operator | May 2006 |
| 5245 | Sevitski & Associates Inc | Pryor, OK 74361 | Oil & Gas Operator | Dec 2000 |
| 5246 | Seymour Oil Co Inc | Edmond, OK 73025 | Oil & Gas Operator | Jul 2011 |
| 5247 | SGP Management LLC | Dallas, TX 75206 | Oil Operator | Jan 2026 |
| 5248 | Shadow-Del Oil Company | Kiefer, OK 74041-0453 | Oil & Gas Operator | Jul 2015 |
| 5249 | Shadowpeak Operating LLC | Oklahoma City, OK 73159-6905 | Oil & Gas Operator | Jan 2026 |
| 5250 | Shakespeare Oil Co Inc | Salem, IL 62881 | Oil & Gas Operator | Jan 2026 |
| 5251 | Shale Properties LLC | Kingfisher, OK 73750 | Oil Operator | Aug 2023 |
| 5252 | Shallow Energy Inc | South Dennis, MA 2660 | Oil & Gas Operator | Feb 2025 |
| 5253 | Shamrock Operating Company LLC | Cleveland, OK 74020 | Oil Operator | Aug 2022 |
| 5254 | Shamrock Well Operations LLC | Oklahoma City, OK 73118-4015 | Oil & Gas Operator | Feb 2026 |
| 5255 | Shanks Drilling & Production Company LLC | Bixby, OK 74008 | Oil & Gas Operator | Jan 2026 |
| 5256 | Shanks Robert "Bob" | Haskell, OK 74436-8809 | Oil & Gas Operator | Jun 2023 |
| 5257 | Shannon Corporation Inc | Okmulgee, OK 74447-1323 | Oil & Gas Operator | Mar 2015 |
| 5258 | Shannon Energy | Liberal, KS 67901 | Oil & Gas Operator | Feb 1999 |
| 5259 | Shannon Petroleum Inc | Tulsa, OK 74136-4603 | Oil & Gas Operator | Oct 2016 |
| 5260 | Shar Alan Oil Company | | Oil & Gas Operator | Oct 2005 |
| 5261 | Sharber Billy Jack Operating | Konawa, OK 74849-0071 | Oil & Gas Operator | Mar 2015 |
| 5262 | Sharber Don E | Okemah, OK 74859-0322 | Oil Operator | Dec 2018 |
| 5263 | Sharber Production Inc | Konawa, OK 74849 | Oil & Gas Operator | Dec 2024 |
| 5264 | Sharp Anthony G | Shawnee, OK 74802-1701 | Oil & Gas Operator | Jul 2003 |
| 5265 | Shattuck SWD LLC | Shattuck, OK 73858-0848 | Oil Operator | Mar 2022 |
| 5266 | Shaver Tommy L | Kingfisher, OK 73750-9612 | Oil & Gas Operator | Apr 2015 |
| 5267 | Shaw Thomas P | Tulsa, OK 74105-7327 | Oil & Gas Operator | Mar 2015 |
| 5268 | Shaw, T. G. Oil Company, LTD. | Fort Worth, TX 76113 | Oil & Gas Operator | May 2026 |
| 5269 | Shawver & Son Inc | Oklahoma City, OK 73154-0778 | Oil & Gas Operator | Dec 2025 |
| 5270 | Shawver Energy Inc | Oklahoma City, OK 73154-0683 | Oil & Gas Operator | Apr 2014 |
| 5271 | Shebester Inc | Maysville, OK 73057 | Oil & Gas Operator | Nov 1998 |
| 5272 | Sheets George M & Judith A | Tonkawa, OK 74653 | Oil & Gas Operator | Jan 2026 |
| 5273 | Shelburne Oil Company | Oklahoma City, OK 73116-7639 | Gas Operator | Feb 2020 |
| 5274 | Shell Oil Company | Houston, TX 77210 | Oil & Gas Operator | Apr 2015 |
| 5275 | Shell Western Expl & Prod Inc | Houston, TX 77251 | Oil & Gas Operator | Mar 2015 |
| 5276 | Shelly Energy Inc | Berwyn, PA 19312 | Oil & Gas Operator | Feb 2026 |
| 5277 | Shelter Petroleum,Inc | | Oil & Gas Operator | Jun 2014 |
| 5278 | Shelton Alec & Glenda | Kiefer, OK 74041 | Oil & Gas Operator | Aug 2025 |
| 5279 | Shelton Brothers | Okmulgee, OK 74447-6110 | Oil & Gas Operator | Apr 2020 |
| 5280 | Shelton Dempsey L | Glenpool, OK 74033 | Oil & Gas Operator | Dec 2018 |
| 5281 | Shelton Dempsey W | Tulsa, OK 74119-4036 | Oil & Gas Operator | Mar 2015 |
| 5282 | Shelton Oil Company LLC | Collinsville, OK 74021-5619 | Oil Operator | Feb 2026 |
| 5283 | Shelton Oil Resources LLC | Tulsa, OK 74107-4874 | Oil & Gas Operator | Jan 2026 |
| 5284 | Shelton Resources Inc | Tulsa, OK 74119-4036 | Oil & Gas Operator | Feb 2008 |
| 5285 | Shepard James | Beggs, OK 74421 | Oil & Gas Operator | Feb 2024 |
| 5286 | Sheridan Production Company, LLC | Houston, TX 77056 | Oil & Gas Operator | Jan 2026 |
| 5287 | Sherman Larry Oil Company | Chandler, OK 74834 | Oil & Gas Operator | Mar 2015 |
| 5288 | Sherman Oil & Gas Co Inc | Chandler, OK 74834-0571 | Oil & Gas Operator | Apr 2020 |
| 5289 | Sherman Oil & Gas, L.L.C. | Chandler, OK 74834 | Oil & Gas Operator | Jan 2026 |
| 5290 | Sherrill Bob G | Tulsa, OK 74103 | Oil & Gas Operator | Jul 2015 |
| 5291 | Sherry'S Oil Company | Terral, OK 73569 | Oil Operator | Oct 2000 |
| 5292 | Shertzer Charles F | Kilgore, TX 75662 | Oil Operator | Nov 2005 |
| 5293 | Shideler Enterprises Inc | Drumright, OK 74030 | Oil & Gas Operator | Feb 2019 |
| 5294 | Shidler Well Service | Vinita, OK 74301-5468 | Oil Operator | Dec 2000 |
| 5295 | Shield Operating Co. | Georgetown, TX 78627 | Oil & Gas Operator | Aug 2003 |
| 5296 | Shields Cooper | Bonita Springs, FL 34135-3421 | Oil & Gas Operator | Jan 2011 |
| 5297 | Shields Energy Inc | Fort Smith, AR 72901-4607 | Oil & Gas Operator | Jan 2026 |
| 5298 | Shields Operating Inc | Fort Smith, AR 72901-3834 | Oil & Gas Operator | Oct 2021 |
| 5299 | Shields VIrginia | Kellyville, OK 74039 | Oil & Gas Operator | Jan 2026 |
| 5300 | Shields Well Service Corp | Stroud, OK 74079-3410 | Oil & Gas Operator | Dec 2017 |