| 1001 | Sheldon Brothers Agency | Salina, KS 67402 | Oil Operator | May 1998 |
| 1002 | Sheldon Resources, L.P. | Bryan, TX 77805 | Oil & Gas Operator | Apr 2026 |
| 1003 | Shelex Drilling Inc | Lexington, KY 40523 | Oil & Gas Operator | Dec 2025 |
| 1004 | Shelf Energy, LLC | | Oil & Gas Operator | Dec 2024 |
| 1005 | Shell Calif. Prod. Inc. | | Oil Operator | Dec 1980 |
| 1006 | Shell Frontier Oil & Gas Inc. | Houston, TX 77001 | Oil & Gas Operator | Feb 1997 |
| 1007 | Shell Land & Energy Co. | Houston, TX 77001 | Oil & Gas Operator | Feb 1997 |
| 1008 | Shell Offshore Inc. | New Orleans, LA 70161 | Oil & Gas Operator | Jan 2008 |
| 1009 | Shell Oil Co. -Nola | | Oil & Gas Operator | Jun 2000 |
| 1010 | Shell Oil Company | Houston, TX 77210 | Oil & Gas Operator | Apr 2015 |
| 1011 | Shell Onshore Ventures Inc | Houston, TX 77210 | Gas Operator | Jun 2002 |
| 1012 | Shell Rocky Mountain Production LLC | Pinedale, WY 82941 | Oil & Gas Operator | Dec 2008 |
| 1013 | Shell Western E&P | Houston, TX 77001 | Oil & Gas Operator | Apr 2026 |
| 1014 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
| 1015 | Shell Western Expl & Prod Inc | Houston, TX 77251 | Oil & Gas Operator | Mar 2015 |
| 1016 | Shelley, Randall D. | Wichita, KS 67202 | Oil Operator | Dec 2025 |
| 1017 | Shelley, Richard W | Wichita Falls, TX 76310 | Oil & Gas Operator | Jun 2015 |
| 1018 | Shelly Energy Inc | Berwyn, PA 19312 | Oil & Gas Operator | Feb 2026 |
| 1019 | Shelly Oil & Gas Inc | Avonmore, PA 15618-9748 | Gas Operator | Dec 2025 |
| 1020 | Shelter Petroleum,Inc | | Oil & Gas Operator | Jun 2014 |
| 1021 | Shelton Alec & Glenda | Kiefer, OK 74041 | Oil & Gas Operator | Aug 2025 |
| 1022 | Shelton Brothers | Okmulgee, OK 74447-6110 | Oil & Gas Operator | Apr 2020 |
| 1023 | Shelton Dempsey L | Glenpool, OK 74033 | Oil & Gas Operator | Dec 2018 |
| 1024 | Shelton Dempsey W | Tulsa, OK 74119-4036 | Oil & Gas Operator | Mar 2015 |
| 1025 | Shelton Oil Company LLC | Collinsville, OK 74021-5619 | Oil Operator | Feb 2026 |
| 1026 | Shelton Oil Resources LLC | Tulsa, OK 74107-4874 | Oil & Gas Operator | Jan 2026 |
| 1027 | Shelton Resources Inc | Tulsa, OK 74119-4036 | Oil & Gas Operator | Feb 2008 |
| 1028 | Shelton, Charles M. | Baytown, TX 77521 | Oil & Gas Operator | Aug 2003 |
| 1029 | Shelton, Robert | Lacygne, KS 66040 | Oil Operator | Sep 2025 |
| 1030 | Shenandoah Energy Inc | Denver, CO 80265-1050 | Oil & Gas Operator | Dec 2014 |
| 1031 | Shenandoah Oil Corporation | | Oil & Gas Operator | Jun 1979 |
| 1032 | Shenandoah Oil, Inc. (I) | Midland, TX 79710 | Oil & Gas Operator | Apr 1996 |
| 1033 | Shenandoah Petroleum Corporation | Midland, TX 79705 | Oil & Gas Operator | Apr 2026 |
| 1034 | Shenandoah Resources LLC | Houston, TX 77086 | Oil & Gas Operator | Apr 2020 |
| 1035 | Sheneeda Energy, LLC | O Brien, TX 79539 | Oil Operator | Jun 2025 |
| 1036 | Shepard James | Beggs, OK 74421 | Oil & Gas Operator | Feb 2024 |
| 1037 | Shepler & Thomas | | Oil & Gas Operator | Oct 1992 |
| 1038 | Shepler & Thomas, Inc. | Edmond, OK 73013 | Oil & Gas Operator | Dec 2025 |
| 1039 | Shepperd, William M. | Houston, TX 77279 | Oil & Gas Operator | Sep 2012 |
| 1040 | Sher-Lon Corpora | | Oil Operator | Apr 1994 |
| 1041 | Sheri-Di Product | | Oil Operator | Apr 1994 |
| 1042 | Sheridan Energy,Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2000 |
| 1043 | Sheridan Production Co III, LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2026 |
| 1044 | Sheridan Production Company, LLC | Houston, TX 77056 | Oil & Gas Operator | Jan 2026 |
| 1045 | Sherley, O. C. | Megargel, TX 76370 | Oil & Gas Operator | Aug 2003 |
| 1046 | Sherman F Wagenseller | Denver, CO 80210 | Gas Operator | Apr 2016 |
| 1047 | Sherman Havens | | Oil & Gas Operator | Dec 2025 |
| 1048 | Sherman Larry Oil Company | Chandler, OK 74834 | Oil & Gas Operator | Mar 2015 |
| 1049 | Sherman Michael | Canton, OH 44735 | Oil & Gas Operator | Dec 2007 |
| 1050 | Sherman Oil & Gas Co Inc | Chandler, OK 74834-0571 | Oil & Gas Operator | Apr 2020 |
| 1051 | Sherman Oil & Gas, L.L.C. | Chandler, OK 74834 | Oil & Gas Operator | Jan 2026 |
| 1052 | Sherman Oil Company LLC | Wichita Falls, TX 76308 | Oil Operator | Apr 2025 |
| 1053 | Sherman, L. B. | Early, TX 76803 | Oil & Gas Operator | Jun 1998 |
| 1054 | Sherred Homer G And Fleeharty Willie W | | Oil & Gas Operator | Jun 1991 |
| 1055 | Sherrill Bob G | Tulsa, OK 74103 | Oil & Gas Operator | Jul 2015 |
| 1056 | Sherry'S Oil Company | Terral, OK 73569 | Oil Operator | Oct 2000 |
| 1057 | Shertzer Charles F | Kilgore, TX 75662 | Oil Operator | Nov 2005 |
| 1058 | Shewey, C. F., Agent | | Oil & Gas Operator | Dec 2008 |
| 1059 | Shideler Enterprises Inc | Drumright, OK 74030 | Oil & Gas Operator | Feb 2019 |
| 1060 | Shidler Well Service | Vinita, OK 74301-5468 | Oil Operator | Dec 2000 |
| 1061 | Shidler, Mark L., Inc. | Houston, TX 77055 | Oil & Gas Operator | Apr 2026 |
| 1062 | Shield Energy Resources, LLC | | Oil Operator | Dec 2024 |
| 1063 | Shield Operating Co. | Georgetown, TX 78627 | Oil & Gas Operator | Aug 2003 |
| 1064 | Shield Petroleum | College Sta, TX 77845 | Oil & Gas Operator | Apr 2026 |
| 1065 | Shield Resources Inc | | Oil & Gas Operator | Nov 1987 |
| 1066 | Shields Cooper | Bonita Springs, FL 34135-3421 | Oil & Gas Operator | Jan 2011 |
| 1067 | Shields Energy Inc | Fort Smith, AR 72901-4607 | Oil & Gas Operator | Jan 2026 |
| 1068 | Shields Oil Prod | | Oil & Gas Operator | Aug 1995 |
| 1069 | Shields Oil Producers Inc. | Russell, KS 67665 | Oil Operator | Dec 2025 |
| 1070 | Shields Operating Inc | Fort Smith, AR 72901-3834 | Oil & Gas Operator | Oct 2021 |
| 1071 | Shields VIrginia | Kellyville, OK 74039 | Oil & Gas Operator | Jan 2026 |
| 1072 | Shields Well Service Corp | Stroud, OK 74079-3410 | Oil & Gas Operator | Dec 2017 |
| 1073 | Shields, Timothy R. & Donnalee F. | Randolph, NY 14772 | Gas Operator | Dec 2024 |
| 1074 | Shifflett Operating Company | Snyder, TX 79550 | Oil & Gas Operator | Apr 2026 |
| 1075 | Shiloh Creek Resources, Inc. | | Gas Operator | Nov 2024 |
| 1076 | Shiloh Oil Company LLC | Williston, FL 32696 | Oil & Gas Operator | Apr 2026 |
| 1077 | Shiner Exploration, LLC | Houston, TX 77091 | Oil & Gas Operator | Apr 2026 |
| 1078 | Shines'S Oil Co. | Jacksboro, TX 76458 | Oil & Gas Operator | Oct 2009 |
| 1079 | Shinnery Oil Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 1080 | Shiny One Operating Company, LLC | Vernal, UT 84078 | Oil & Gas Operator | Jan 2026 |
| 1081 | Shipman James E Dba Lazy J Oil Co | Hallett, OK 74034 | Oil Operator | Dec 2025 |
| 1082 | Shirk, Benjamin H. III & Arlene M. | Penn Yan, NY 14527 | Gas Operator | Dec 2024 |
| 1083 | Shirley M. Lechler | | Oil & Gas Operator | Dec 2001 |
| 1084 | Shirley, B. J. | Lawn, TX 79530 | Oil & Gas Operator | Mar 2008 |
| 1085 | Shivers, Linward, Operator | Shreveport, LA 71161 | Oil & Gas Operator | Sep 1997 |
| 1086 | SHL Operating | Lubbock, TX 79416 | Oil & Gas Operator | Apr 2026 |
| 1087 | Sho-Bar Energy I | | Oil & Gas Operator | Jan 1991 |
| 1088 | Sho-Bar Energy Inc | Harper, KS 67058 | Oil & Gas Operator | Jan 2026 |
| 1089 | Shocker Energy, Inc. | | Oil & Gas Operator | Oct 1992 |
| 1090 | Shockley Jimmie D | Morris, OK 74445-2754 | Oil Operator | Dec 2025 |
| 1091 | Shoco Production LLC | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2026 |
| 1092 | Shoco Production, L.P. | Kilgore, TX 75663 | Oil & Gas Operator | May 2020 |
| 1093 | Shongaloo Midstream, LLC | | Oil Operator | Mar 2019 |
| 1094 | Shongum Oil & Gas Inc | Akron, OH 44312 | Oil & Gas Operator | Dec 2011 |
| 1095 | Shore Oil Company | | Oil & Gas Operator | May 1998 |
| 1096 | Shore Petroleum Corp. | Corpus Christ, TX 78401 | Oil & Gas Operator | Apr 2026 |
| 1097 | Shore Production Co. | Longview, TX 75604 | Oil & Gas Operator | Aug 2005 |
| 1098 | Shoreham Oil & Gas Company, Inc. | Katy, TX 77492 | Oil & Gas Operator | Apr 2026 |
| 1099 | Shoreline Energy Partners, LLC | Chandler, AZ 85249 | Oil Operator | May 2011 |
| 1100 | Shoreline Exploration Of Texas | | Oil & Gas Operator | Oct 2000 |