| 26701 | Shuler Drilling Co., Inc. | El Dorado, AR 71730 | Oil & Gas Operator | Jan 2025 |
| 26702 | Shultz, Melvin W. | Parsons, KS 67357 | Oil Operator | Nov 1995 |
| 26703 | Shultz, Todd W. | Limestone, NY 14753 | Oil & Gas Operator | Dec 2024 |
| 26704 | Shumate, Jess | Brookesmith, TX 76827 | Oil Operator | Jun 2006 |
| 26705 | Shuteston Oil & Gas | | Oil & Gas Operator | Sep 1997 |
| 26706 | SHWJ Oil & Gas Co., Inc. | Oil City, LA 71061 | Oil Operator | Jul 2025 |
| 26707 | Siana Oil & Gas | Conroe, TX 77305 | Oil & Gas Operator | Jul 2025 |
| 26708 | Siana Oil & Gas., L.L.C | | Oil & Gas Operator | Dec 2021 |
| 26709 | Siana Operating LLC | Conroe, TX 77305224 | Oil & Gas Operator | May 2017 |
| 26710 | Sicko Jaquetta Len | Muldoon, TX 78949 | Oil Operator | Feb 2025 |
| 26711 | Sideline Oil & Gas, L.P. | Friendswood, TX 77549 | Oil Operator | Jul 2025 |
| 26712 | Sidney E. Pinkston, Jr, Trustee | | Oil & Gas Operator | Apr 1980 |
| 26713 | Sidney Lanier | Midland, TX BADADDR | Oil & Gas Operator | Jan 1996 |
| 26714 | Sidwell Oil & Ga | | Oil & Gas Operator | May 1993 |
| 26715 | Sidwell Oil & Gas, Inc. | Amarillo, TX 79105 | Oil & Gas Operator | Sep 2014 |
| 26716 | Sidwell Operating Company, L.P. | Amarillo, TX 79105 | Oil & Gas Operator | Jul 2025 |
| 26717 | Sidwell Theodore R Jr | Thornville, OH 43076 | Oil & Gas Operator | Dec 1988 |
| 26718 | Sieg Energy, Inc. | Ottawa, KS 66067 | Oil Operator | Nov 2024 |
| 26719 | Siegfried R H In | | Oil Operator | Apr 1985 |
| 26720 | Siegfried R H Inc | Tulsa, OK 74104 | Oil & Gas Operator | Mar 2008 |
| 26721 | Siempre Energy Operating, LLC | Houston, TX 77094 | Oil Operator | Jul 2025 |
| 26722 | Siemsen Operating, LLC | Holyrood, KS 67450 | Oil Operator | Feb 2025 |
| 26723 | Sien Operating Company, LLC | San Antonio, TX 78209 | Oil Operator | May 2023 |
| 26724 | Sierra Blanca Operating Company | Cleburne, TX BADADDR | Oil & Gas Operator | May 1999 |
| 26725 | Sierra Drilling | | Oil Operator | Sep 1988 |
| 26726 | Sierra Exploration Company | San Antonio, TX 78209 | Oil & Gas Operator | Mar 2008 |
| 26727 | Sierra Group, L.L.C. | San Angelo, TX 76904 | Oil & Gas Operator | Jan 2025 |
| 26728 | Sierra Industries, Inc. | | Oil & Gas Operator | Apr 1989 |
| 26729 | Sierra Lima Oil & Gas, LLC | Abilene, TX 79604 | Oil & Gas Operator | Jul 2025 |
| 26730 | Sierra Madre LLC | Greensburg, KS 67054 | Oil & Gas Operator | May 2015 |
| 26731 | Sierra Madre Natural Res., LLC | Dallas, TX 75225 | Oil & Gas Operator | Dec 2016 |
| 26732 | Sierra Madre Oil & Gas, LLC | Midland, TX 79701 | Oil & Gas Operator | May 2025 |
| 26733 | Sierra Minerals, Inc. | Rockdale, TX 76567 | Oil & Gas Operator | Jul 2025 |
| 26734 | Sierra Oil Company | Fort Worth, TX 76106 | Oil & Gas Operator | Jul 2025 |
| 26735 | Sierra Petroleum | | Oil & Gas Operator | Sep 1986 |
| 26736 | Sierra Production Company | | Oil & Gas Operator | May 1986 |
| 26737 | Sierra Reserve Company | | Oil Operator | Dec 1985 |
| 26738 | Sierra Resources, Inc. | Oklahoma City, OK 73142 | Oil & Gas Operator | May 2025 |
| 26739 | Sierra Resources, LLC | Houston, TX 77219 | Oil & Gas Operator | Aug 2021 |
| 26740 | Sierra Trading Corporation | | Oil & Gas Operator | Sep 1978 |
| 26741 | Siete Oil And Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 26742 | Sigma Corporation | Charleston, WV 25301-2644 | Gas Operator | Dec 2021 |
| 26743 | Sigma Energy & Explor., Co LLC | Ozona, TX 76943 | Oil & Gas Operator | Feb 2010 |
| 26744 | Sigma Energy, LLC | | Oil Operator | Jan 2025 |
| 26745 | Sigma Exploration Corp., The | Dallas, TX 75230 | Oil & Gas Operator | Sep 1998 |
| 26746 | Sigma Oper & Develop Co., Inc. | Midland, TX 79701 | Oil & Gas Operator | Jul 2025 |
| 26747 | Sigmon Construction Co., Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2025 |
| 26748 | Sigmon Production Company, Inc. | Longview, TX 75608 | Oil & Gas Operator | Dec 2013 |
| 26749 | Signal Hill Company LLC | Cody, WY 82414 | Oil & Gas Operator | Dec 2024 |
| 26750 | Signal Hill Expl & Pet Inc | Duncan, OK 73533 | Oil & Gas Operator | Mar 2015 |
| 26751 | Signal Hill Operating LLC | | Oil & Gas Operator | Jun 2025 |
| 26752 | Signal Hill Petroleum Inc. | | Oil & Gas Operator | May 2025 |
| 26753 | Signal Oil And Gas Company | Colleyville, TX 76034 | Oil & Gas Operator | Jul 2025 |
| 26754 | Signal Oil Company, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2025 |
| 26755 | Signal Operating L.L.C. | | Oil Operator | Jan 2025 |
| 26756 | Signal Petroleum | | Oil & Gas Operator | Jul 1980 |
| 26757 | Signal, LLC | | Oil & Gas Operator | May 2025 |
| 26758 | Signal, LLC Of Mississippi | | Oil & Gas Operator | Dec 2024 |
| 26759 | Signature Exploration Inc. | Shawnee, OK 74804-4130 | Oil & Gas Operator | Mar 2015 |
| 26760 | Sikes Oil Company Inc | Velma, OK 73091-0759 | Oil & Gas Operator | Jan 2014 |
| 26761 | Sikes Operating, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Jun 2003 |
| 26762 | Sikes, Arlas M. | Brownwood, TX 76801 | Oil & Gas Operator | May 2000 |
| 26763 | Silberman A & M Oil | Oklahoma City, OK 73122-3096 | Oil & Gas Operator | Apr 2014 |
| 26764 | Silent Stone Energy LLC | | Oil & Gas Operator | Apr 2025 |
| 26765 | Silhan, Terry | Marion, KS 66861 | Oil & Gas Operator | Dec 2009 |
| 26766 | Silleman, Drew C. | Cattaraugus, NY 14719 | Gas Operator | Dec 2024 |
| 26767 | Siltstone Resources Op II, LLC | Wilmington, DE 19801 | Oil & Gas Operator | Jul 2025 |
| 26768 | Silvco Energy, LLC | | Oil Operator | Apr 2014 |
| 26769 | Silver Creek Oil | Merkel, TX 79536 | Oil & Gas Operator | Aug 2003 |
| 26770 | Silver Creek Oil & Gas, Inc. | Wichita, KS 67203 | Oil Operator | Dec 1997 |
| 26771 | Silver Creek Oil & Gas, LLC | Flower Mound, TX 75022 | Oil & Gas Operator | Jul 2025 |
| 26772 | Silver Creek Permian Op Co, LLC | Irving, TX 75038 | Oil & Gas Operator | Apr 2023 |
| 26773 | Silver Creek Resources, LLC | Irving, TX 75038 | Oil & Gas Operator | Apr 2017 |
| 26774 | Silver Eagle Oil Company | Ada, OK 74820 | Oil Operator | Dec 2004 |
| 26775 | Silver Exploration Company | | Oil & Gas Operator | May 2025 |
| 26776 | Silver Fox Oil & Gas LLC | McAllen, TX 78504 | Oil & Gas Operator | Jul 2025 |
| 26777 | Silver Hill Energy Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Jul 2025 |
| 26778 | Silver Hill Energy Partners, LLC | Dallas, TX 75219 | Oil & Gas Operator | Feb 2017 |
| 26779 | Silver Mountain Energy LLC | | Oil & Gas Operator | May 2025 |
| 26780 | Silver Oak Energy, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2016 |
| 26781 | Silver Oak Operating, Inc. | Longview, TX 75601 | Oil & Gas Operator | Dec 2009 |
| 26782 | Silver Oak Operating, LLC | Longview, TX 75604 | Oil & Gas Operator | Jul 2025 |
| 26783 | Silver Oil & Gas Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Jul 2025 |
| 26784 | Silver Petroleum Inc | | Gas Operator | Dec 2001 |
| 26785 | Silver Pines Energy Corp. | Houston, TX 77005 | Oil & Gas Operator | Apr 2025 |
| 26786 | Silver Rock Energy, LLC | Terrell, TX 75160 | Oil Operator | Jul 2025 |
| 26787 | Silver Run Oil & Gas | | Oil & Gas Operator | Dec 2021 |
| 26788 | Silver Spike Energy Oper, LLC | Midland, TX 79710 | Oil & Gas Operator | Dec 2015 |
| 26789 | Silver Spike Energy Operating Of NM, LLC | Midland, TX 79701 | Oil Operator | Jul 2016 |
| 26790 | Silver Square Resources LLC | Cincinnati, OH 45219 | Oil Operator | Dec 2023 |
| 26791 | Silver Star Of Nevada Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Apr 2025 |
| 26792 | Silver Star Operating Co., LLC | Nada, TX 77460 | Gas Operator | Jul 2025 |
| 26793 | Silver Star Production Co | Moore, OK 73160-6202 | Oil & Gas Operator | Apr 2025 |
| 26794 | Silver Thread Oil & Gas, Inc. | | Oil & Gas Operator | Jul 2015 |
| 26795 | Silver Tusk Operating Co. LLC | Houston, TX 77056 | Oil & Gas Operator | Nov 2018 |
| 26796 | Silverado Oil Inc | Greeley, CO 80631 | Oil Operator | Apr 2000 |
| 26797 | Silverado Oil LTD | Ardmore, OK 73401 | Oil & Gas Operator | Jun 2003 |
| 26798 | Silverback Operating II, LLC | Oklahoma City, OK 73112 | Oil & Gas Operator | May 2025 |
| 26799 | Silverback Operating, LLC | San Antonio, TX 78257 | Oil & Gas Operator | Oct 2016 |
| 26800 | Silverbacq LLC | | Oil & Gas Operator | May 2025 |