| 27101 | Shell Oil Co. | Houston, TX 77001 | Oil & Gas Operator | Jun 1985 |
| 27102 | Shell Oil Co. -Nola | | Oil & Gas Operator | Jun 2000 |
| 27103 | Shell Onshore Ventures Inc | Houston, TX 77210 | Gas Operator | Jun 2002 |
| 27104 | Shell Rocky Mountain Production LLC | Pinedale, WY 82941 | Oil & Gas Operator | Dec 2008 |
| 27105 | Shell Trading Us Company | Houston, TX 77210 | Oil & Gas Operator | Jan 2025 |
| 27106 | Shell Western E&P | Houston, TX 77001 | Oil & Gas Operator | Apr 2025 |
| 27107 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
| 27108 | Shell Western Expl & Prod Inc | Houston, TX 77251 | Oil & Gas Operator | Mar 2015 |
| 27109 | Shelley, Randall D. | Wichita, KS 67202 | Oil Operator | Dec 2024 |
| 27110 | Shelley, Richard W | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2015 |
| 27111 | Shelly Energy Inc. | Berwyn, PA 19312 | Oil & Gas Operator | Feb 2025 |
| 27112 | Shelly Oil & Gas Inc | Avonmore, PA 15618-9748 | Gas Operator | Dec 2024 |
| 27113 | Shelter Petroleum,Inc | | Oil & Gas Operator | Jun 2014 |
| 27114 | Shelton Alec & Glenda | Kiefer, OK 74041 | Oil & Gas Operator | Jan 2025 |
| 27115 | Shelton Brothers | Okmulgee, OK 74447-6110 | Oil & Gas Operator | Apr 2020 |
| 27116 | Shelton Dempsey L | Glenpool, OK 74033 | Oil & Gas Operator | Dec 2018 |
| 27117 | Shelton Dempsey W | Tulsa, OK 74119-4036 | Oil & Gas Operator | Mar 2015 |
| 27118 | Shelton Oil Company LLC | Collinsville, OK 74021-5619 | Oil Operator | Jan 2025 |
| 27119 | Shelton Oil Resources LLC | Tulsa, OK 74107-4874 | Oil & Gas Operator | Jan 2025 |
| 27120 | Shelton Resources Inc | Tulsa, OK 74119-4036 | Oil & Gas Operator | Feb 2008 |
| 27121 | Shelton, Charles M. | Baytown, TX 77521 | Oil & Gas Operator | Aug 2003 |
| 27122 | Shelton, Robert | Lacygne, KS 66040 | Oil Operator | Nov 2024 |
| 27123 | Shenandoah Energy Inc | Denver, CO 80265-1050 | Oil & Gas Operator | Dec 2014 |
| 27124 | Shenandoah Oil Corporation | | Oil & Gas Operator | Jun 1979 |
| 27125 | Shenandoah Oil, Inc. (I) | Midland, TX 79710 | Oil & Gas Operator | Apr 1996 |
| 27126 | Shenandoah Petroleum Corporation | Midland, TX 79705 | Oil & Gas Operator | Apr 2025 |
| 27127 | Shenandoah Resources LLC | Houston, TX 77086 | Oil & Gas Operator | Apr 2020 |
| 27128 | Sheneeda Energy, LLC | O Brien, TX 79539 | Oil Operator | Apr 2025 |
| 27129 | Shepard James | Beggs, OK 74421 | Oil & Gas Operator | Feb 2024 |
| 27130 | Shepard, William | | Oil & Gas Operator | Dec 2021 |
| 27131 | Shepler & Thomas | | Oil & Gas Operator | Oct 1992 |
| 27132 | Shepler & Thomas, Inc. | Edmond, OK 73013 | Oil & Gas Operator | Dec 2024 |
| 27133 | Shepperd, William M. | Houston, TX 77279 | Oil & Gas Operator | Sep 2012 |
| 27134 | Sher-Lon Corpora | | Oil Operator | Apr 1994 |
| 27135 | Sheri-Di Product | | Oil Operator | Apr 1994 |
| 27136 | Sheridan Energy,Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2000 |
| 27137 | Sheridan Production Co III, LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2025 |
| 27138 | Sheridan Production Company, LLC | Houston, TX 77056 | Oil & Gas Operator | Jan 2025 |
| 27139 | Sherley, O. C. | Megargel, TX 76370 | Oil & Gas Operator | Aug 2003 |
| 27140 | Sherman F Wagenseller | Denver, CO 80210 | Gas Operator | Apr 2016 |
| 27141 | Sherman Havens | | Oil & Gas Operator | Dec 2024 |
| 27142 | Sherman Larry Oil Company | Chandler, OK 74834 | Oil & Gas Operator | Mar 2015 |
| 27143 | Sherman Michael | Canton, OH 44735 | Oil & Gas Operator | Dec 2007 |
| 27144 | Sherman Oil & Gas Co Inc | Chandler, OK 74834-0571 | Oil & Gas Operator | Apr 2020 |
| 27145 | Sherman Oil & Gas LLC | Chandler, OK 74834 | Oil & Gas Operator | Jan 2025 |
| 27146 | Sherman Oil Company LLC | Wichita Falls, TX 76308 | Oil Operator | Apr 2025 |
| 27147 | Sherman, L. B. | Early, TX 76803 | Oil & Gas Operator | Jun 1998 |
| 27148 | Sherred Homer G And Fleeharty Willie W | | Oil & Gas Operator | Jun 1991 |
| 27149 | Sherrill Bob G | Tulsa, OK 74103 | Oil & Gas Operator | Jul 2015 |
| 27150 | Sherry'S Oil Company | Terral, OK 73569 | Oil Operator | Oct 2000 |
| 27151 | Shertzer Charles F | Kilgore, TX 75662 | Oil Operator | Nov 2005 |
| 27152 | Shewey, C. F., Agent | | Oil & Gas Operator | Dec 2008 |
| 27153 | Shideler Enterprises Inc | Drumright, OK 74030-1233 | Oil & Gas Operator | Feb 2019 |
| 27154 | Shideler, Dean | | Oil & Gas Operator | Dec 1997 |
| 27155 | Shidler Well Service | Vinita, OK 74301-5468 | Oil Operator | Dec 2000 |
| 27156 | Shidler, Mark L., Inc. | Houston, TX 77055 | Oil & Gas Operator | Apr 2025 |
| 27157 | Shield Energy Resources, LLC | | Oil Operator | Dec 2024 |
| 27158 | Shield Operating Co. | Georgetown, TX 78627 | Oil & Gas Operator | Aug 2003 |
| 27159 | Shield Petroleum | College Sta, TX 77845 | Oil & Gas Operator | Apr 2025 |
| 27160 | Shield Resources Inc | | Oil & Gas Operator | Nov 1987 |
| 27161 | Shields Cooper | Bonita Springs, FL 34135-3421 | Oil & Gas Operator | Jan 2011 |
| 27162 | Shields Energy Inc | Fort Smith, AR 72901-4607 | Oil & Gas Operator | Jan 2025 |
| 27163 | Shields Oil Prod | | Oil & Gas Operator | Aug 1995 |
| 27164 | Shields Oil Producers Inc. | Russell, KS 67665 | Oil Operator | Dec 2024 |
| 27165 | Shields Operating Inc | Fort Smith, AR 72901-3834 | Oil & Gas Operator | Oct 2021 |
| 27166 | Shields VIrginia | Kellyville, OK 74039 | Oil & Gas Operator | Jan 2025 |
| 27167 | Shields Well Service Corp | Stroud, OK 74079-3410 | Oil & Gas Operator | Dec 2017 |
| 27168 | Shields, Timothy R. & Donnalee F. | Randolph, NY 14772 | Gas Operator | Dec 2023 |
| 27169 | Shifflett Operating Company | Snyder, TX 79550 | Oil & Gas Operator | Apr 2025 |
| 27170 | Shiloh Creek Resources, Inc. | | Gas Operator | Nov 2024 |
| 27171 | Shiloh Oil Company LLC | Williston, FL 32696 | Oil & Gas Operator | Apr 2025 |
| 27172 | Shiner Exploration, LLC | Houston, TX 77091 | Oil & Gas Operator | Apr 2025 |
| 27173 | Shines'S Oil Co. | Jacksboro, TX 76458 | Oil & Gas Operator | Oct 2009 |
| 27174 | Shinnery Oil Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 27175 | Shiny One Operating Company, LLC | Vernal, UT 84078 | Oil & Gas Operator | Jan 2025 |
| 27176 | Shipman James E Dba Lazy J Oil Co | Hallett, OK 74034 | Oil Operator | Jan 2025 |
| 27177 | Shirk, Benjamin B., Jr. & Lydia R. | Penn Yan, NY 14527 | Gas Operator | Dec 2023 |
| 27178 | Shirley M. Lechler | | Oil & Gas Operator | Dec 2001 |
| 27179 | Shirley, B. J. | Lawn, TX 79530 | Oil & Gas Operator | Mar 2008 |
| 27180 | Shivers, Linward, Operator | Shreveport, LA 71161 | Oil & Gas Operator | Sep 1997 |
| 27181 | SHL Operating | Lubbock, TX 79416 | Oil & Gas Operator | Apr 2025 |
| 27182 | Sho-Bar Energy I | | Oil & Gas Operator | Jan 1991 |
| 27183 | Sho-Bar Energy, Inc. | Harper, KS 67058 | Oil & Gas Operator | Dec 2024 |
| 27184 | Shocker Energy, Inc. | | Oil & Gas Operator | Oct 1992 |
| 27185 | Shockley Jimmie D | Morris, OK 74445-2754 | Oil Operator | Jan 2025 |
| 27186 | Shoco Production LLC | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2025 |
| 27187 | Shoco Production, L.P. | Kilgore, TX 75663 | Oil & Gas Operator | May 2020 |
| 27188 | Shofner Oil Company | Chushing,, OK 74023 | Oil & Gas Operator | Feb 2003 |
| 27189 | Shongaloo Midstream, LLC | | Oil Operator | Mar 2019 |
| 27190 | Shongum Oil & Gas Inc | Akron, OH 44312 | Oil & Gas Operator | Dec 2011 |
| 27191 | Shootin Star Oil, L.L.C. | Natalia, TX 78059 | Oil Operator | Apr 2025 |
| 27192 | Shore Oil Company | | Oil & Gas Operator | May 1998 |
| 27193 | Shore Production Co. | Longview, TX 75604 | Oil & Gas Operator | Aug 2005 |
| 27194 | Shoreham Oil & Gas Company, Inc. | Katy, TX 77492 | Oil & Gas Operator | Apr 2025 |
| 27195 | Shoreline Energy Partners, LLC | Chandler, AZ 85249 | Oil Operator | May 2011 |
| 27196 | Shoreline Exploration Of Texas | | Oil & Gas Operator | Oct 2000 |
| 27197 | Shoreline Exploration, Inc. | | Oil & Gas Operator | Jul 1990 |
| 27198 | Shoreline GP LLC | | Oil & Gas Operator | Jun 2012 |
| 27199 | Shoreline Offshore LLC | | Oil & Gas Operator | Jun 2017 |
| 27200 | Shoreline Oil & Gas Company | Farmington, NM 87402 | Gas Operator | Oct 2019 |