| 26101 | Shideler Enterprises Inc | Drumright, OK 74030 | Oil & Gas Operator | Feb 2019 |
| 26102 | Shidler Well Service | Vinita, OK 74301-5468 | Oil Operator | Dec 2000 |
| 26103 | Shidler, Mark L., Inc. | Houston, TX 77055 | Oil & Gas Operator | Jun 2026 |
| 26104 | Shield Energy Resources, LLC | | Oil Operator | Dec 2024 |
| 26105 | Shield Operating Co. | Georgetown, TX 78627 | Oil & Gas Operator | Aug 2003 |
| 26106 | Shield Petroleum | College Sta, TX 77845 | Oil & Gas Operator | Jun 2026 |
| 26107 | Shield Resources Inc | | Oil & Gas Operator | Nov 1987 |
| 26108 | Shields Cooper | Bonita Springs, FL 34135-3421 | Oil & Gas Operator | Jan 2011 |
| 26109 | Shields Energy Inc | Fort Smith, AR 72901-4607 | Oil & Gas Operator | Feb 2026 |
| 26110 | Shields Oil Prod | | Oil & Gas Operator | Aug 1995 |
| 26111 | Shields Oil Producers Inc. | Russell, KS 67665 | Oil Operator | Feb 2026 |
| 26112 | Shields Operating Inc | Fort Smith, AR 72901-3834 | Oil & Gas Operator | Oct 2021 |
| 26113 | Shields VIrginia | Kellyville, OK 74039 | Oil & Gas Operator | Mar 2026 |
| 26114 | Shields Well Service Corp | Stroud, OK 74079-3410 | Oil & Gas Operator | Dec 2017 |
| 26115 | Shields, Timothy R. & Donnalee F. | Randolph, NY 14772 | Gas Operator | Dec 2024 |
| 26116 | Shifflett Operating Company | Snyder, TX 79550 | Oil & Gas Operator | Jun 2026 |
| 26117 | Shiloh Creek Resources, Inc. | | Gas Operator | Nov 2024 |
| 26118 | Shiloh Oil Company LLC | Williston, FL 32696 | Oil & Gas Operator | Jun 2026 |
| 26119 | Shiner Exploration, LLC | Houston, TX 77091 | Oil & Gas Operator | Jun 2026 |
| 26120 | Shines'S Oil Co. | Jacksboro, TX 76458 | Oil & Gas Operator | Oct 2009 |
| 26121 | Shinnery Oil Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jun 2026 |
| 26122 | Shiny One Operating Company, LLC | Vernal, UT 84078 | Oil & Gas Operator | Mar 2026 |
| 26123 | Shipman James E Dba Lazy J Oil Co | Hallett, OK 74034 | Oil Operator | Feb 2026 |
| 26124 | Shirk, Benjamin H. III & Arlene M. | Penn Yan, NY 14527 | Gas Operator | Dec 2024 |
| 26125 | Shirley M. Lechler | | Oil & Gas Operator | Dec 2001 |
| 26126 | Shirley, B. J. | Lawn, TX 79530 | Oil & Gas Operator | Mar 2008 |
| 26127 | Shivers, Linward, Operator | Shreveport, LA 71161 | Oil & Gas Operator | Sep 1997 |
| 26128 | SHL Operating | Lubbock, TX 79416 | Oil & Gas Operator | Jun 2026 |
| 26129 | Sho-Bar Energy I | | Oil & Gas Operator | Jan 1991 |
| 26130 | Sho-Bar Energy Inc | Harper, KS 67058 | Oil & Gas Operator | Feb 2026 |
| 26131 | Shocker Energy, Inc. | | Oil & Gas Operator | Oct 1992 |
| 26132 | Shockley Jimmie D | Morris, OK 74445-2754 | Oil Operator | Feb 2026 |
| 26133 | Shoco Production LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jun 2026 |
| 26134 | Shoco Production, L.P. | Kilgore, TX 75663 | Oil & Gas Operator | May 2020 |
| 26135 | Shongaloo Midstream, LLC | | Oil Operator | Mar 2019 |
| 26136 | Shongum Oil & Gas Inc | Akron, OH 44312 | Oil & Gas Operator | Dec 2011 |
| 26137 | Shore Oil Company | | Oil & Gas Operator | May 1998 |
| 26138 | Shore Petroleum Corp. | Corpus Christ, TX 78401 | Oil & Gas Operator | Jun 2026 |
| 26139 | Shore Production Co. | Longview, TX 75604 | Oil & Gas Operator | Aug 2005 |
| 26140 | Shoreham Oil & Gas Company, Inc. | Katy, TX 77492 | Oil & Gas Operator | Jun 2026 |
| 26141 | Shoreline Energy Partners, LLC | Chandler, AZ 85249 | Oil Operator | May 2011 |
| 26142 | Shoreline Exploration Of Texas | | Oil & Gas Operator | Oct 2000 |
| 26143 | Shoreline Exploration, Inc. | | Oil & Gas Operator | Jul 1990 |
| 26144 | Shoreline GP LLC | | Oil & Gas Operator | Jun 2012 |
| 26145 | Shoreline Offshore LLC | | Oil & Gas Operator | Jun 2017 |
| 26146 | Shoreline Oil & Gas Company | Farmington, NM 87402 | Gas Operator | Oct 2019 |
| 26147 | Shoreline Operating LLC | Oklahoma City, OK 73113 | Oil & Gas Operator | Mar 2026 |
| 26148 | Shoreline Petroleum Corp. | Channelview, TX 77530 | Oil & Gas Operator | Sep 2003 |
| 26149 | Shoreline Pipeline Corporation | | Oil Operator | Dec 2020 |
| 26150 | Shoreline Production Serv., Inc. | Rockport, TX 78381 | Oil & Gas Operator | Apr 2002 |
| 26151 | Shoreline Southeast LLC | | Oil & Gas Operator | Jun 2017 |
| 26152 | Shorewood Farms | Lakeview, NY 14085 | Gas Operator | Dec 2024 |
| 26153 | Short Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Mar 2026 |
| 26154 | Short W D Oil Co | | Oil Operator | Mar 1996 |
| 26155 | Short W D Oil Company LLC | Oxford, KS 67119-0729 | Oil Operator | Mar 2026 |
| 26156 | Short W D Revocable Trust | Oxford, KS 67119-0729 | Oil & Gas Operator | Mar 2015 |
| 26157 | Short, Dan | | Oil Operator | Dec 1963 |
| 26158 | Shortgrass Petroleum Inc | Laverne, OK 73848-0139 | Oil & Gas Operator | Feb 2026 |
| 26159 | Shorts Production LLC | Havana, KS 67347 | Oil Operator | Feb 2026 |
| 26160 | Shoshone Oil And Gas Inc | Lindsay, OK 73052-0217 | Oil & Gas Operator | Jan 2020 |
| 26161 | Shoshone Oil Company | Dallas, TX 75244 | Oil & Gas Operator | May 1994 |
| 26162 | Shoshone Oil Corp. | | Oil & Gas Operator | Dec 2005 |
| 26163 | Shouse, Micheal C. | Liberty, MO 64068 | Oil & Gas Operator | Jan 1996 |
| 26164 | Showdown Energy Corporation | Dallas, TX 75230 | Oil & Gas Operator | Aug 2003 |
| 26165 | Showdown Operating, Inc. | Dallas, TX 75230 | Oil & Gas Operator | May 1996 |
| 26166 | Showhorn Holding Co., L.L.C. | Normangee, TX 77871 | Oil Operator | Jun 2026 |
| 26167 | Shrider W E Co | Newark, OH 43055 | Oil & Gas Operator | Dec 1991 |
| 26168 | Shriver Earl J | Lawton, OK 73507-5851 | Oil & Gas Operator | Aug 2013 |
| 26169 | Shriver Operating LLC | Lawton, OK 73507-5851 | Oil & Gas Operator | Mar 2026 |
| 26170 | SHS Operating Company | Shreveport, LA 71149 | Oil & Gas Operator | Jan 2025 |
| 26171 | Shubuta Oil Corporation | Houston, TX 77056 | Oil & Gas Operator | Sep 1998 |
| 26172 | Shufflin Energy | | Oil & Gas Operator | Sep 2011 |
| 26173 | Shuler Drilling Co., Inc. | El Dorado, AR 71730 | Oil & Gas Operator | Jan 2025 |
| 26174 | Shultz, Melvin W. | Parsons, KS 67357 | Oil Operator | Nov 1995 |
| 26175 | Shultz, Todd W. | Limestone, NY 14753 | Oil & Gas Operator | Dec 2024 |
| 26176 | Shumate, Jess | Brookesmith, TX 76827 | Oil Operator | Jun 2006 |
| 26177 | Shuteston Oil & Gas | | Oil & Gas Operator | Sep 1997 |
| 26178 | SHWJ Oil & Gas Co., Inc. | Oil City, LA 71061 | Oil Operator | Jun 2026 |
| 26179 | Siana Oil & Gas | Conroe, TX 77305 | Oil & Gas Operator | Jun 2026 |
| 26180 | Siana Oil & Gas., L.L.C | | Oil & Gas Operator | Dec 2021 |
| 26181 | Siana Operating LLC | Conroe, TX 77305224 | Oil & Gas Operator | May 2017 |
| 26182 | Sicko Jaquetta Len | Muldoon, TX 78949 | Oil Operator | Jan 2026 |
| 26183 | Sideline Oil & Gas, L.P. | Friendswood, TX 77549 | Oil Operator | Jun 2026 |
| 26184 | Sidney E. Pinkston, Jr, Trustee | | Oil & Gas Operator | Apr 1980 |
| 26185 | Sidney Lanier | Midland, TX BADADDR | Oil & Gas Operator | Jan 1996 |
| 26186 | Sidwell Oil & Ga | | Oil & Gas Operator | May 1993 |
| 26187 | Sidwell Oil & Gas, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Sep 2014 |
| 26188 | Sidwell Operating Company, L.P. | Amarillo, TX 79105 | Oil & Gas Operator | Jun 2026 |
| 26189 | Sidwell Theodore R Jr | Thornville, OH 43076 | Oil & Gas Operator | Dec 1988 |
| 26190 | Sieg Energy, Inc. | Ottawa, KS 66067 | Oil Operator | Nov 2025 |
| 26191 | Siegfried R H In | | Oil Operator | Apr 1985 |
| 26192 | Siegfried R H Inc | Tulsa, OK 74104 | Oil & Gas Operator | Mar 2008 |
| 26193 | Siempre Energy Operating, LLC | Houston, TX 77094 | Oil Operator | Jun 2026 |
| 26194 | Siemsen Operating, LLC | Holyrood, KS 67450 | Oil Operator | Feb 2026 |
| 26195 | Sien Operating Company, LLC | San Antonio, TX 78209 | Oil Operator | May 2023 |
| 26196 | Sierra Blanca Operating Company | Cleburne, TX BADADDR | Oil & Gas Operator | May 1999 |
| 26197 | Sierra Drilling | | Oil Operator | Sep 1988 |
| 26198 | Sierra Exploration Company | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2008 |
| 26199 | Sierra Group, L.L.C. | San Angelo, TX 76904 | Oil & Gas Operator | Jan 2025 |
| 26200 | Sierra Industries, Inc. | | Oil & Gas Operator | Apr 1989 |