| 26201 | Shore Petroleum Corp. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2026 |
| 26202 | Shore Production Co. | Longview, TX 75604 | Oil & Gas Operator | Aug 2005 |
| 26203 | Shoreham Oil & Gas Company, Inc. | Katy, TX 77492 | Oil & Gas Operator | Apr 2026 |
| 26204 | Shoreline Energy Partners, LLC | Chandler, AZ 85249 | Oil Operator | May 2011 |
| 26205 | Shoreline Exploration Of Texas | | Oil & Gas Operator | Oct 2000 |
| 26206 | Shoreline Exploration, Inc. | | Oil & Gas Operator | Jul 1990 |
| 26207 | Shoreline GP LLC | | Oil & Gas Operator | Jun 2012 |
| 26208 | Shoreline Offshore LLC | | Oil & Gas Operator | Jun 2017 |
| 26209 | Shoreline Oil & Gas Company | Farmington, NM 87402 | Gas Operator | Oct 2019 |
| 26210 | Shoreline Operating LLC | Oklahoma City, OK 73113 | Oil & Gas Operator | Dec 2025 |
| 26211 | Shoreline Petroleum Corp. | Channelview, TX 77530 | Oil & Gas Operator | Sep 2003 |
| 26212 | Shoreline Pipeline Corporation | | Oil Operator | Dec 2020 |
| 26213 | Shoreline Production Serv., Inc. | Rockport, TX 78381 | Oil & Gas Operator | Apr 2002 |
| 26214 | Shoreline Southeast LLC | | Oil & Gas Operator | Jun 2017 |
| 26215 | Shorewood Farms | Lakeview, NY 14085 | Gas Operator | Dec 2024 |
| 26216 | Short Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Dec 2025 |
| 26217 | Short W D Oil Co | | Oil Operator | Mar 1996 |
| 26218 | Short W D Oil Company LLC | Oxford, KS 67119-0729 | Oil Operator | Dec 2025 |
| 26219 | Short W D Revocable Trust | Oxford, KS 67119-0729 | Oil & Gas Operator | Mar 2015 |
| 26220 | Short, Dan | | Oil Operator | Dec 1963 |
| 26221 | Shortgrass Petroleum Inc | Laverne, OK 73848-0139 | Oil & Gas Operator | Dec 2025 |
| 26222 | Shorts Production LLC | Havana, KS 67347 | Oil Operator | Dec 2025 |
| 26223 | Shoshone Oil And Gas Inc | Lindsay, OK 73052-0217 | Oil & Gas Operator | Jan 2020 |
| 26224 | Shoshone Oil Company | Dallas, TX 75244 | Oil & Gas Operator | May 1994 |
| 26225 | Shoshone Oil Corp. | | Oil & Gas Operator | Dec 2005 |
| 26226 | Shouse, Micheal C. | Liberty, MO 64068 | Oil & Gas Operator | Jan 1996 |
| 26227 | Showdown Energy Corporation | Dallas, TX 75230 | Oil & Gas Operator | Aug 2003 |
| 26228 | Showdown Operating, Inc. | Dallas, TX 75230 | Oil & Gas Operator | May 1996 |
| 26229 | Showhorn Holding Co., L.L.C. | Normangee, TX 77871 | Oil Operator | Apr 2026 |
| 26230 | Shrider W E Co | Newark, OH 43055 | Oil & Gas Operator | Dec 1991 |
| 26231 | Shriver Earl J | Lawton, OK 73507-5851 | Oil & Gas Operator | Aug 2013 |
| 26232 | Shriver Operating LLC | Lawton, OK 73507-5851 | Oil & Gas Operator | Nov 2025 |
| 26233 | SHS Operating Company | Shreveport, LA 71149 | Oil & Gas Operator | Jan 2025 |
| 26234 | Shubuta Oil Corporation | Houston, TX 77056 | Oil & Gas Operator | Sep 1998 |
| 26235 | Shufflin Energy | | Oil & Gas Operator | Sep 2011 |
| 26236 | Shuler Drilling Co., Inc. | El Dorado, AR 71730 | Oil & Gas Operator | Jan 2025 |
| 26237 | Shultz, Melvin W. | Parsons, KS 67357 | Oil Operator | Nov 1995 |
| 26238 | Shultz, Todd W. | Limestone, NY 14753 | Oil & Gas Operator | Dec 2024 |
| 26239 | Shumate, Jess | Brookesmith, TX 76827 | Oil Operator | Jun 2006 |
| 26240 | Shuteston Oil & Gas | | Oil & Gas Operator | Sep 1997 |
| 26241 | SHWJ Oil & Gas Co., Inc. | Oil City, LA 71061 | Oil Operator | Apr 2026 |
| 26242 | Siana Oil & Gas | Conroe, TX 77305 | Oil & Gas Operator | Apr 2026 |
| 26243 | Siana Oil & Gas., L.L.C | | Oil & Gas Operator | Dec 2021 |
| 26244 | Siana Operating LLC | Conroe, TX 77305224 | Oil & Gas Operator | May 2017 |
| 26245 | Sicko Jaquetta Len | Muldoon, TX 78949 | Oil Operator | Nov 2025 |
| 26246 | Sideline Oil & Gas, L.P. | Friendswood, TX 77549 | Oil Operator | Apr 2026 |
| 26247 | Sidney E. Pinkston, Jr, Trustee | | Oil & Gas Operator | Apr 1980 |
| 26248 | Sidney Lanier | Midland, TX BADADDR | Oil & Gas Operator | Jan 1996 |
| 26249 | Sidwell Oil & Ga | | Oil & Gas Operator | May 1993 |
| 26250 | Sidwell Oil & Gas, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Sep 2014 |
| 26251 | Sidwell Operating Company, L.P. | Amarillo, TX 79105 | Oil & Gas Operator | Apr 2026 |
| 26252 | Sidwell Theodore R Jr | Thornville, OH 43076 | Oil & Gas Operator | Dec 1988 |
| 26253 | Sieg Energy, Inc. | Ottawa, KS 66067 | Oil Operator | Nov 2025 |
| 26254 | Siegfried R H In | | Oil Operator | Apr 1985 |
| 26255 | Siegfried R H Inc | Tulsa, OK 74104 | Oil & Gas Operator | Mar 2008 |
| 26256 | Siempre Energy Operating, LLC | Houston, TX 77094 | Oil Operator | Apr 2026 |
| 26257 | Siemsen Operating, LLC | Holyrood, KS 67450 | Oil Operator | Dec 2025 |
| 26258 | Sien Operating Company, LLC | San Antonio, TX 78209 | Oil Operator | May 2023 |
| 26259 | Sierra Blanca Operating Company | Cleburne, TX BADADDR | Oil & Gas Operator | May 1999 |
| 26260 | Sierra Drilling | | Oil Operator | Sep 1988 |
| 26261 | Sierra Exploration Company | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2008 |
| 26262 | Sierra Group, L.L.C. | San Angelo, TX 76904 | Oil & Gas Operator | Jan 2025 |
| 26263 | Sierra Industries, Inc. | | Oil & Gas Operator | Apr 1989 |
| 26264 | Sierra Lima Oil & Gas, LLC | Abilene, TX 79604 | Oil & Gas Operator | Nov 2025 |
| 26265 | Sierra Madre LLC | Greensburg, KS 67054 | Oil & Gas Operator | May 2015 |
| 26266 | Sierra Madre Natural Res., LLC | Dallas, TX 75225 | Oil & Gas Operator | Dec 2016 |
| 26267 | Sierra Minerals, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Apr 2026 |
| 26268 | Sierra Oil Company | Fort Worth, TX 76106 | Oil & Gas Operator | Apr 2026 |
| 26269 | Sierra Petroleum | | Oil & Gas Operator | Sep 1986 |
| 26270 | Sierra Production Company | | Oil & Gas Operator | May 1986 |
| 26271 | Sierra Reserve Company | | Oil Operator | Dec 1985 |
| 26272 | Sierra Resources, Inc. | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2025 |
| 26273 | Sierra Resources, LLC | Houston, TX 77219 | Oil & Gas Operator | Aug 2021 |
| 26274 | Sierra Trading Corporation | | Oil & Gas Operator | Sep 1978 |
| 26275 | Siete Oil And Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 26276 | Sigma Corporation | Charleston, WV 25301-2644 | Gas Operator | Dec 2021 |
| 26277 | Sigma Energy & Explor., Co LLC | Ozona, TX 76943 | Oil & Gas Operator | Feb 2010 |
| 26278 | Sigma Energy, LLC | | Oil Operator | Jan 2025 |
| 26279 | Sigma Exploration Corp., The | Dallas, TX 75230 | Oil & Gas Operator | Sep 1998 |
| 26280 | Sigma Oper & Develop Co., Inc. | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 26281 | Sigmon Construction Co., Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2026 |
| 26282 | Sigmon Production Company, Inc. | Longview, TX 75608 | Oil & Gas Operator | Dec 2013 |
| 26283 | Signal Hill Company LLC | Cody, WY 82414 | Oil & Gas Operator | Dec 2024 |
| 26284 | Signal Hill Expl & Pet Inc | Duncan, OK 73533 | Oil & Gas Operator | Mar 2015 |
| 26285 | Signal Hill Operating LLC | | Oil & Gas Operator | Feb 2026 |
| 26286 | Signal Hill Petroleum Inc. | | Oil & Gas Operator | Dec 2025 |
| 26287 | Signal Oil And Gas Company | Colleyville, TX 76034 | Oil & Gas Operator | Apr 2026 |
| 26288 | Signal Oil Company, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2026 |
| 26289 | Signal Operating L.L.C. | | Oil Operator | Jan 2025 |
| 26290 | Signal Petroleum | | Oil & Gas Operator | Jul 1980 |
| 26291 | Signal, LLC | | Oil & Gas Operator | Jan 2026 |
| 26292 | Signal, LLC Of Mississippi | | Oil & Gas Operator | Dec 2024 |
| 26293 | Signature Exploration Inc. | Shawnee, OK 74804-4130 | Oil & Gas Operator | Mar 2015 |
| 26294 | Sikes Oil Company Inc | Velma, OK 73091-0759 | Oil & Gas Operator | Jan 2014 |
| 26295 | Sikes Operating, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Jun 2003 |
| 26296 | Sikes, Arlas M. | Brownwood, TX 76801 | Oil & Gas Operator | May 2000 |
| 26297 | Silberman A & M Oil | Oklahoma City, OK 73122-3096 | Oil & Gas Operator | Apr 2014 |
| 26298 | Silent Stone Energy LLC | | Oil & Gas Operator | Dec 2025 |
| 26299 | Silhan, Terry | Marion, KS 66861 | Oil & Gas Operator | Dec 2009 |
| 26300 | Silleman, Drew C. | Cattaraugus, NY 14719 | Gas Operator | Dec 2024 |