| 26301 | Shields Oil Producers Inc. | Russell, KS 67665 | Oil Operator | Mar 2026 |
| 26302 | Shields Operating Inc | Fort Smith, AR 72901-3834 | Oil & Gas Operator | Oct 2021 |
| 26303 | Shields VIrginia | Kellyville, OK 74039 | Oil & Gas Operator | May 2026 |
| 26304 | Shields Well Service Corp | Stroud, OK 74079-3410 | Oil & Gas Operator | Dec 2017 |
| 26305 | Shields, Timothy R. & Donnalee F. | Randolph, NY 14772 | Gas Operator | Dec 2025 |
| 26306 | Shifflett Operating Company | Snyder, TX 79550 | Oil & Gas Operator | Jul 2026 |
| 26307 | Shiloh Creek Resources, Inc. | | Gas Operator | Nov 2024 |
| 26308 | Shiloh Oil Company LLC | Williston, FL 32696 | Oil & Gas Operator | Jul 2026 |
| 26309 | Shiner Exploration, LLC | Houston, TX 77091 | Oil & Gas Operator | Jul 2026 |
| 26310 | Shines'S Oil Co. | Jacksboro, TX 76458 | Oil & Gas Operator | Oct 2009 |
| 26311 | Shinnery Oil Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jul 2026 |
| 26312 | Shiny One Operating Company, LLC | Vernal, UT 84078 | Oil & Gas Operator | Apr 2026 |
| 26313 | Shipman James E Dba Lazy J Oil Co | Hallett, OK 74034 | Oil Operator | Mar 2026 |
| 26314 | Shirk, Benjamin H. III & Arlene M. | Penn Yan, NY 14527 | Gas Operator | Dec 2025 |
| 26315 | Shirley M. Lechler | | Oil & Gas Operator | Dec 2001 |
| 26316 | Shirley, B. J. | Lawn, TX 79530 | Oil & Gas Operator | Mar 2008 |
| 26317 | Shivers, Linward, Operator | Shreveport, LA 71161 | Oil & Gas Operator | Sep 1997 |
| 26318 | SHL Operating | Lubbock, TX 79416 | Oil & Gas Operator | Jul 2026 |
| 26319 | Sho-Bar Energy I | | Oil & Gas Operator | Jan 1991 |
| 26320 | Sho-Bar Energy Inc | Harper, KS 67058 | Oil & Gas Operator | Apr 2026 |
| 26321 | Shocker Energy, Inc. | | Oil & Gas Operator | Oct 1992 |
| 26322 | Shockley Jimmie D | Morris, OK 74445-2754 | Oil Operator | Apr 2026 |
| 26323 | Shoco Production LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2026 |
| 26324 | Shoco Production, L.P. | Kilgore, TX 75663 | Oil & Gas Operator | May 2020 |
| 26325 | Shongaloo Midstream, LLC | | Oil Operator | Mar 2019 |
| 26326 | Shongum Oil & Gas Inc | Akron, OH 44312 | Oil & Gas Operator | Dec 2011 |
| 26327 | Shore Oil Company | | Oil & Gas Operator | May 1998 |
| 26328 | Shore Petroleum Corp. | Corpus Christ, TX 78401 | Oil & Gas Operator | Jul 2026 |
| 26329 | Shore Production Co. | Longview, TX 75604 | Oil & Gas Operator | Aug 2005 |
| 26330 | Shoreham Oil & Gas Company, Inc. | Katy, TX 77492 | Oil & Gas Operator | Jul 2026 |
| 26331 | Shoreline Energy Partners, LLC | Chandler, AZ 85249 | Oil Operator | May 2011 |
| 26332 | Shoreline Exploration Of Texas | | Oil & Gas Operator | Oct 2000 |
| 26333 | Shoreline Exploration, Inc. | | Oil & Gas Operator | Jul 1990 |
| 26334 | Shoreline GP LLC | | Oil & Gas Operator | Jun 2012 |
| 26335 | Shoreline Offshore LLC | | Oil & Gas Operator | Jun 2017 |
| 26336 | Shoreline Oil & Gas Company | Farmington, NM 87402 | Gas Operator | Oct 2019 |
| 26337 | Shoreline Operating LLC | Oklahoma City, OK 73113 | Oil & Gas Operator | Apr 2026 |
| 26338 | Shoreline Petroleum Corp. | Channelview, TX 77530 | Oil & Gas Operator | Sep 2003 |
| 26339 | Shoreline Pipeline Corporation | | Oil Operator | Dec 2020 |
| 26340 | Shoreline Production Serv., Inc. | Rockport, TX 78381 | Oil & Gas Operator | Apr 2002 |
| 26341 | Shoreline Southeast LLC | | Oil & Gas Operator | Jun 2017 |
| 26342 | Shorewood Farms | Lakeview, NY 14085 | Gas Operator | Dec 2025 |
| 26343 | Short Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Apr 2026 |
| 26344 | Short W D Oil Co | | Oil Operator | Mar 1996 |
| 26345 | Short W D Oil Company LLC | Oxford, KS 67119-0729 | Oil Operator | Apr 2026 |
| 26346 | Short W D Revocable Trust | Oxford, KS 67119-0729 | Oil & Gas Operator | Mar 2015 |
| 26347 | Short, Dan | | Oil Operator | Dec 1963 |
| 26348 | Shortgrass Petroleum Inc | Follett, TX 79034 | Oil & Gas Operator | Apr 2026 |
| 26349 | Shorts Production LLC | Havana, KS 67347 | Oil Operator | Mar 2026 |
| 26350 | Shoshone Oil And Gas Inc | Lindsay, OK 73052-0217 | Oil & Gas Operator | Jan 2020 |
| 26351 | Shoshone Oil Company | Dallas, TX 75244 | Oil & Gas Operator | May 1994 |
| 26352 | Shoshone Oil Corp. | | Oil & Gas Operator | Dec 2005 |
| 26353 | Shouse, Micheal C. | Liberty, MO 64068 | Oil & Gas Operator | Jan 1996 |
| 26354 | Showdown Energy Corporation | Dallas, TX 75230 | Oil & Gas Operator | Aug 2003 |
| 26355 | Showdown Operating, Inc. | Dallas, TX 75230 | Oil & Gas Operator | May 1996 |
| 26356 | Showhorn Holding Co., L.L.C. | Normangee, TX 77871 | Oil Operator | Jul 2026 |
| 26357 | Shrider W E Co | Newark, OH 43055 | Oil & Gas Operator | Dec 1991 |
| 26358 | Shriver Earl J | Lawton, OK 73507-5851 | Oil & Gas Operator | Aug 2013 |
| 26359 | Shriver Operating LLC | Lawton, OK 73507-5851 | Oil & Gas Operator | Apr 2026 |
| 26360 | SHS Operating Company | Shreveport, LA 71149 | Oil & Gas Operator | Jan 2025 |
| 26361 | Shubuta Oil Corporation | Houston, TX 77056 | Oil & Gas Operator | Sep 1998 |
| 26362 | Shufflin Energy | | Oil & Gas Operator | Sep 2011 |
| 26363 | Shuler Drilling Co., Inc. | El Dorado, AR 71730 | Oil & Gas Operator | Jan 2025 |
| 26364 | Shultz, Melvin W. | Parsons, KS 67357 | Oil Operator | Nov 1995 |
| 26365 | Shultz, Todd W. | Limestone, NY 14753 | Oil & Gas Operator | Dec 2025 |
| 26366 | Shumate, Jess | Brookesmith, TX 76827 | Oil Operator | Jun 2006 |
| 26367 | Shuteston Oil & Gas | | Oil & Gas Operator | Sep 1997 |
| 26368 | SHWJ Oil & Gas Co., Inc. | Oil City, LA 71061 | Oil Operator | Jul 2026 |
| 26369 | Siana Oil & Gas | Conroe, TX 77305 | Oil & Gas Operator | Jul 2026 |
| 26370 | Siana Oil & Gas., L.L.C | | Oil & Gas Operator | Dec 2021 |
| 26371 | Siana Operating LLC | Conroe, TX 77305224 | Oil & Gas Operator | May 2017 |
| 26372 | Sicko Jaquetta Len | Muldoon, TX 78949 | Oil Operator | Mar 2026 |
| 26373 | Sideline Oil & Gas, L.P. | Friendswood, TX 77549 | Oil Operator | Jul 2026 |
| 26374 | Sidney E. Pinkston, Jr, Trustee | | Oil & Gas Operator | Apr 1980 |
| 26375 | Sidney Lanier | Midland, TX BADADDR | Oil & Gas Operator | Jan 1996 |
| 26376 | Sidwell Oil & Ga | | Oil & Gas Operator | May 1993 |
| 26377 | Sidwell Oil & Gas, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Sep 2014 |
| 26378 | Sidwell Operating Company, L.P. | Amarillo, TX 79105 | Oil & Gas Operator | Jul 2026 |
| 26379 | Sidwell Theodore R Jr | Thornville, OH 43076 | Oil & Gas Operator | Dec 1988 |
| 26380 | Sieg Energy, Inc. | Ottawa, KS 66067 | Oil Operator | Nov 2025 |
| 26381 | Siegfried R H In | | Oil Operator | Apr 1985 |
| 26382 | Siegfried R H Inc | Tulsa, OK 74104 | Oil & Gas Operator | Mar 2008 |
| 26383 | Siemsen Operating, LLC | Holyrood, KS 67450 | Oil Operator | Mar 2026 |
| 26384 | Sien Operating Company, LLC | San Antonio, TX 78209 | Oil Operator | May 2023 |
| 26385 | Sierra Blanca Operating Company | Cleburne, TX BADADDR | Oil & Gas Operator | May 1999 |
| 26386 | Sierra Drilling | | Oil Operator | Sep 1988 |
| 26387 | Sierra Exploration Company | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2008 |
| 26388 | Sierra Group, L.L.C. | San Angelo, TX 76904 | Oil & Gas Operator | Jan 2025 |
| 26389 | Sierra Industries, Inc. | | Oil & Gas Operator | Apr 1989 |
| 26390 | Sierra Lima Oil & Gas, LLC | Abilene, TX 79604 | Oil & Gas Operator | Nov 2025 |
| 26391 | Sierra Madre LLC | Greensburg, KS 67054 | Oil & Gas Operator | May 2015 |
| 26392 | Sierra Madre Natural Res., LLC | Dallas, TX 75225 | Oil & Gas Operator | Dec 2016 |
| 26393 | Sierra Minerals, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Jul 2026 |
| 26394 | Sierra Oil Company | Fort Worth, TX 76106 | Oil & Gas Operator | Jul 2026 |
| 26395 | Sierra Petroleum | | Oil & Gas Operator | Sep 1986 |
| 26396 | Sierra Production Company | | Oil & Gas Operator | May 1986 |
| 26397 | Sierra Reserve Company | | Oil Operator | Dec 1985 |
| 26398 | Sierra Resources, Inc. | Oklahoma City, OK 73142 | Oil & Gas Operator | May 2026 |
| 26399 | Sierra Resources, LLC | Houston, TX 77219 | Oil & Gas Operator | Aug 2021 |
| 26400 | Sierra Trading Corporation | | Oil & Gas Operator | Sep 1978 |