| 26201 | Shawmar Oil & Gas Co., Inc. | Sunnyvale, TX 75182 | Oil & Gas Operator | Dec 2023 |
| 26202 | Shawmar Oil Comp | | Oil & Gas Operator | Feb 1995 |
| 26203 | Shawmut Production Corporation | Pittsburgh, PA 15219-1913 | Oil & Gas Operator | Jan 2003 |
| 26204 | Shawnee Investment Company, Inc. | Council Grove, KS 66846 | Oil Operator | Apr 2002 |
| 26205 | Shawnee Oil Development Co Inc | | Oil & Gas Operator | Dec 2025 |
| 26206 | Shawver & Shawver | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 26207 | Shawver & Son Inc | Oklahoma City, OK 73154-0778 | Oil & Gas Operator | Dec 2025 |
| 26208 | Shawver Energy Inc | Oklahoma City, OK 73154-0683 | Oil & Gas Operator | Apr 2014 |
| 26209 | Shearer James I | Blairsville, PA 15717-0337 | Oil & Gas Operator | Dec 2003 |
| 26210 | Shearer Oil Company | Graham, TX 76450 | Oil & Gas Operator | May 2002 |
| 26211 | Shearhart, Gary L. | Havana, KS 67347 | Oil Operator | Oct 2001 |
| 26212 | Shebester Inc | Maysville, OK 73057 | Oil & Gas Operator | Nov 1998 |
| 26213 | Shed Oil Company | Electra, TX 76360 | Oil Operator | Jul 2026 |
| 26214 | Sheedy Energy Production Company | | Oil Operator | Mar 2026 |
| 26215 | Sheedy, John D. | North Tonawanda, NY 14120 | Gas Operator | Dec 2025 |
| 26216 | Sheel Oil Compan | | Oil Operator | Jan 1985 |
| 26217 | Sheer Energy, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2026 |
| 26218 | Sheets Exploration Co., Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2016 |
| 26219 | Sheets George M & Judith A | Tonkawa, OK 74653 | Oil & Gas Operator | Apr 2026 |
| 26220 | Sheets, P. A. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 1994 |
| 26221 | Sheffler Industries | Phoenix, AZ 85013 | Oil Operator | Aug 1999 |
| 26222 | Shefts & Shefts, Inc. | Luling, TX 78648 | Oil & Gas Operator | Jul 2026 |
| 26223 | Shelburne Oil Company | Oklahoma City, OK 73116-7639 | Gas Operator | Feb 2020 |
| 26224 | Shelby Boswell Operator, LLC | Dallas, TX 75225 | Oil & Gas Operator | Jul 2026 |
| 26225 | Shelby H. Loe, SR. Oil Co. | | Oil Operator | Jul 1989 |
| 26226 | Shelby Operating Company | Dallas, TX 75205 | Oil & Gas Operator | Jul 2026 |
| 26227 | Shelby Operating, Inc. | Flower Mound, TX 75028 | Oil & Gas Operator | Jul 1997 |
| 26228 | Shelby Production Co. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2009 |
| 26229 | Shelby Production, Inc. | Kilgore, TX 75663 | Gas Operator | Jul 2026 |
| 26230 | Shelby Resources LLC | Denver, CO 80207 | Oil & Gas Operator | Mar 2026 |
| 26231 | Shelby, Michael H. | Shreveport, LA 71101 | Oil & Gas Operator | Jul 2026 |
| 26232 | Shelco | Maysville, MO 64469 | Oil & Gas Operator | May 2021 |
| 26233 | Sheldon Brothers Agency | Salina, KS 67402 | Oil Operator | May 1998 |
| 26234 | Sheldon Resources, L.P. | Bryan, TX 77805 | Oil & Gas Operator | Jul 2026 |
| 26235 | Shelex Drilling Inc | Lexington, KY 40523 | Oil & Gas Operator | Dec 2025 |
| 26236 | Shelf Energy, LLC | | Oil & Gas Operator | Dec 2024 |
| 26237 | Shell Calif. Prod. Inc. | | Oil Operator | Dec 1980 |
| 26238 | Shell Frontier Oil & Gas Inc. | Houston, TX 77001 | Oil & Gas Operator | Feb 1997 |
| 26239 | Shell Land & Energy Co. | Houston, TX 77001 | Oil & Gas Operator | Feb 1997 |
| 26240 | Shell Offshore Inc. | New Orleans, LA 70161 | Oil & Gas Operator | Jan 2008 |
| 26241 | Shell Oil Co. -Nola | | Oil & Gas Operator | Jun 2000 |
| 26242 | Shell Oil Company | Houston, TX 77210 | Oil & Gas Operator | Apr 2015 |
| 26243 | Shell Onshore Ventures Inc | Houston, TX 77210 | Gas Operator | Jun 2002 |
| 26244 | Shell Rocky Mountain Production LLC | Pinedale, WY 82941 | Oil & Gas Operator | Dec 2008 |
| 26245 | Shell Western E&P | Houston, TX 77001 | Oil & Gas Operator | Jul 2026 |
| 26246 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
| 26247 | Shell Western Expl & Prod Inc | Houston, TX 77251 | Oil & Gas Operator | Mar 2015 |
| 26248 | Shelley, Randall D. | Wichita, KS 67202 | Oil Operator | Mar 2026 |
| 26249 | Shelley, Richard W | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2015 |
| 26250 | Shelly Energy Inc | Berwyn, PA 19312 | Oil & Gas Operator | May 2026 |
| 26251 | Shelly Oil & Gas Inc | Avonmore, PA 15618-9748 | Gas Operator | Dec 2025 |
| 26252 | Shelter Petroleum,Inc | | Oil & Gas Operator | Jun 2014 |
| 26253 | Shelton Alec & Glenda | Kiefer, OK 74041 | Oil & Gas Operator | Aug 2025 |
| 26254 | Shelton Brothers | Okmulgee, OK 74447-6110 | Oil & Gas Operator | Apr 2020 |
| 26255 | Shelton Dempsey L | Glenpool, OK 74033 | Oil & Gas Operator | Dec 2018 |
| 26256 | Shelton Dempsey W | Tulsa, OK 74119-4036 | Oil & Gas Operator | Mar 2015 |
| 26257 | Shelton Oil Company LLC | Collinsville, OK 74021-5619 | Oil Operator | Apr 2026 |
| 26258 | Shelton Oil Resources LLC | Tulsa, OK 74107-4874 | Oil & Gas Operator | Apr 2026 |
| 26259 | Shelton Resources Inc | Tulsa, OK 74119-4036 | Oil & Gas Operator | Feb 2008 |
| 26260 | Shelton, Charles M. | Baytown, TX 77521 | Oil & Gas Operator | Aug 2003 |
| 26261 | Shelton, Robert | Lacygne, KS 66040 | Oil Operator | Mar 2026 |
| 26262 | Shenandoah Energy Inc | Denver, CO 80265-1050 | Oil & Gas Operator | Dec 2014 |
| 26263 | Shenandoah Oil Corporation | | Oil & Gas Operator | Jun 1979 |
| 26264 | Shenandoah Oil, Inc. (I) | Midland, TX 79710 | Oil & Gas Operator | Apr 1996 |
| 26265 | Shenandoah Petroleum Corporation | Midland, TX 79705 | Oil & Gas Operator | Jul 2026 |
| 26266 | Shenandoah Resources LLC | Houston, TX 77086 | Oil & Gas Operator | Apr 2020 |
| 26267 | Sheneeda Energy, LLC | O Brien, TX 79539 | Oil Operator | Jun 2025 |
| 26268 | Shepard James | Beggs, OK 74421 | Oil & Gas Operator | Feb 2024 |
| 26269 | Shepler & Thomas | | Oil & Gas Operator | Oct 1992 |
| 26270 | Shepler & Thomas, Inc. | Edmond, OK 73013 | Oil & Gas Operator | Mar 2026 |
| 26271 | Shepperd, William M. | Houston, TX 77279 | Oil & Gas Operator | Sep 2012 |
| 26272 | Sher-Lon Corpora | | Oil Operator | Apr 1994 |
| 26273 | Sheri-Di Product | | Oil Operator | Apr 1994 |
| 26274 | Sheridan Energy,Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2000 |
| 26275 | Sheridan Production Co III, LLC | Houston, TX 77056 | Oil & Gas Operator | Jul 2026 |
| 26276 | Sheridan Production Company, LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2026 |
| 26277 | Sherley, O. C. | Megargel, TX 76370 | Oil & Gas Operator | Aug 2003 |
| 26278 | Sherman F Wagenseller | Denver, CO 80210 | Gas Operator | Apr 2016 |
| 26279 | Sherman Havens | | Oil & Gas Operator | Dec 2025 |
| 26280 | Sherman Larry Oil Company | Chandler, OK 74834 | Oil & Gas Operator | Mar 2015 |
| 26281 | Sherman Michael | Canton, OH 44735 | Oil & Gas Operator | Dec 2007 |
| 26282 | Sherman Oil & Gas Co Inc | Chandler, OK 74834-0571 | Oil & Gas Operator | Apr 2020 |
| 26283 | Sherman Oil & Gas, L.L.C. | Chandler, OK 74834 | Oil & Gas Operator | Apr 2026 |
| 26284 | Sherman Oil Company LLC | Wichita Falls, TX 76308 | Oil Operator | Apr 2025 |
| 26285 | Sherman, L. B. | Early, TX 76803 | Oil & Gas Operator | Jun 1998 |
| 26286 | Sherred Homer G And Fleeharty Willie W | | Oil & Gas Operator | Jun 1991 |
| 26287 | Sherrill Bob G | Tulsa, OK 74103 | Oil & Gas Operator | Jul 2015 |
| 26288 | Sherry'S Oil Company | Terral, OK 73569 | Oil Operator | Oct 2000 |
| 26289 | Shertzer Charles F | Kilgore, TX 75662 | Oil Operator | Nov 2005 |
| 26290 | Shewey, C. F., Agent | | Oil & Gas Operator | Dec 2008 |
| 26291 | Shideler Enterprises Inc | Drumright, OK 74030 | Oil & Gas Operator | Feb 2019 |
| 26292 | Shidler Well Service | Vinita, OK 74301-5468 | Oil Operator | Dec 2000 |
| 26293 | Shidler, Mark L., Inc. | Houston, TX 77055 | Oil & Gas Operator | Jul 2026 |
| 26294 | Shield Energy Resources, LLC | | Oil Operator | Dec 2024 |
| 26295 | Shield Operating Co. | Georgetown, TX 78627 | Oil & Gas Operator | Aug 2003 |
| 26296 | Shield Petroleum | College Sta, TX 77845 | Oil & Gas Operator | Jul 2026 |
| 26297 | Shield Resources Inc | | Oil & Gas Operator | Nov 1987 |
| 26298 | Shields Cooper | Bonita Springs, FL 34135-3421 | Oil & Gas Operator | Jan 2011 |
| 26299 | Shields Energy Inc | Fort Smith, AR 72901-4607 | Oil & Gas Operator | Apr 2026 |
| 26300 | Shields Oil Prod | | Oil & Gas Operator | Aug 1995 |