| 25701 | SDG Resources L.P. | Montrose, CO 81402 | Oil & Gas Operator | May 2006 |
| 25702 | SDG Services LLC | Kilgore, TX 75663 | Oil Operator | Sep 2025 |
| 25703 | SDMB Resources LLC | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 25704 | Sdoco, LLC | Highlands Ranch, CO 80129 | Oil Operator | Dec 2025 |
| 25705 | SDX Resources, Inc. | Midland, TX 79704 | Oil & Gas Operator | Jun 2026 |
| 25706 | Se USA Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2009 |
| 25707 | Sea Eagle Ford, LLC | Denver, CO 80265 | Oil & Gas Operator | Jun 2022 |
| 25708 | Sea Sand Oil Company | Fort Worth, TX 76185 | Oil & Gas Operator | Jun 1995 |
| 25709 | Seaboard Gas Company | Edmond, OK 73034 | Oil & Gas Operator | Feb 1999 |
| 25710 | Seaboard Oil Company | Midland, TX 79710 | Oil & Gas Operator | Mar 2008 |
| 25711 | Seaboard Operating Co. | Midland, TX 79710 | Oil & Gas Operator | Jun 2026 |
| 25712 | Seaboard Pipe & Equip. Co. | | Oil & Gas Operator | May 1977 |
| 25713 | Seaboard Well Service, Inc. | | Oil & Gas Operator | Jan 1978 |
| 25714 | Seabreeze Production Co | Hungerford, TX 77448 | Oil & Gas Operator | Jun 2026 |
| 25715 | Seaco Production | Dripping SPGS, TX 78620 | Oil & Gas Operator | Feb 2016 |
| 25716 | Seago Operating Co., L.L.C. | Abilene, TX 79608 | Oil & Gas Operator | Oct 2011 |
| 25717 | Seago Petroleum, Inc. | Abilene, TX 79606 | Oil & Gas Operator | Jun 2026 |
| 25718 | Seagrove Resources LLC | Malakoff, TX 75148 | Oil & Gas Operator | Feb 2026 |
| 25719 | Seagull Development Corp | Massillon, OH 44646-7436 | Oil & Gas Operator | Dec 2015 |
| 25720 | Seagull Energy Corporation | | Gas Operator | Mar 1987 |
| 25721 | Seagull Energy E & P Inc | Houston, TX 77002 | Oil & Gas Operator | Jan 2015 |
| 25722 | Seagull Mid-South Inc | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 25723 | Seagull Midcon Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 25724 | Seagull Operatin | | Oil & Gas Operator | Jul 1995 |
| 25725 | Seagull Operating Co., Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jan 2025 |
| 25726 | Seahawk Oil & Gas Company | Dallas, TX 75379 | Oil & Gas Operator | Aug 2007 |
| 25727 | Seahawk Oil International Inc | Newport Beach, CA 92660 | Oil & Gas Operator | Oct 1997 |
| 25728 | Seal Energy Company | | Oil Operator | Dec 2024 |
| 25729 | Seal Exploration, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Dec 2006 |
| 25730 | Seale, Don R. | Electra, TX 76360 | Oil & Gas Operator | Jun 2026 |
| 25731 | Sealexco | | Oil & Gas Operator | Jun 1992 |
| 25732 | Sealexco-Crescent Drilling | | Oil & Gas Operator | May 1986 |
| 25733 | Seals And Brown Oil Operating | Norman, OK 73072-3020 | Oil & Gas Operator | Sep 2024 |
| 25734 | Seals Oil Company | Fox, OK 73435-0222 | Oil & Gas Operator | Nov 2011 |
| 25735 | Sean M Sharp LLC | Chalk Hill, PA 15421 | Oil & Gas Operator | Oct 2025 |
| 25736 | Seanard Energy Company | Baton Rouge, LA 70808 | Oil & Gas Operator | Jul 2002 |
| 25737 | Seaport Inc | Oklahoma City, OK 73131 | Oil & Gas Operator | Feb 2026 |
| 25738 | Seaport Natural Gas Co., Inc. | Angola, NY 14006 | Gas Operator | Dec 2024 |
| 25739 | Search Drilling Company | Houston, TX 77010 | Oil & Gas Operator | Feb 2001 |
| 25740 | Searchers Exploration | Brenham, TX 77833 | Oil Operator | Jun 2026 |
| 25741 | Searcy Brothers Inc | Tulsa, OK 74135-0433 | Oil Operator | Jun 2004 |
| 25742 | Sears Joe M | Bethany, OK 730084841 | Oil & Gas Operator | May 2013 |
| 25743 | Sears M N | Oklahoma City, OK 73143 | Oil & Gas Operator | Apr 2015 |
| 25744 | Sears Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 25745 | Seashore Energy, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Jun 2026 |
| 25746 | Seattle'S Best Consulting LLC | Austin, TX 78731 | Oil & Gas Operator | Jun 2026 |
| 25747 | Seaward Resources Inc. | | Gas Operator | Dec 1984 |
| 25748 | Seawide Limited | | Oil & Gas Operator | Jul 1983 |
| 25749 | Seay Dennis Regan | | Oil Operator | Jan 2001 |
| 25750 | Seay Exploration, Inc. | Midland, TX 79704 | Oil & Gas Operator | Mar 2008 |
| 25751 | Seay Oil & Gas, LTD. | Dripping SPGS, TX 78620 | Oil & Gas Operator | Apr 2013 |
| 25752 | Sec Production Inc | Edmond, OK 73013-3709 | Oil & Gas Operator | Mar 2026 |
| 25753 | Secan Oil Co Inc | | Oil & Gas Operator | May 1987 |
| 25754 | Secan Oil Co., Inc.-Pennington | | Oil & Gas Operator | May 1987 |
| 25755 | Seco Petroleum Corp | Houston, TX 77290 | Oil & Gas Operator | Jan 1997 |
| 25756 | Seco Production Company | Midland, TX 79708 | Oil & Gas Operator | Aug 2003 |
| 25757 | Second Oil LTD | McCdlue, OH 43534 | Oil & Gas Operator | Dec 2025 |
| 25758 | Second Wind Production Company Inc. | | Oil Operator | Dec 2013 |
| 25759 | Secondary Gas Recovery Inc. | Tulsa, OK 74119 | Oil & Gas Operator | Oct 1993 |
| 25760 | Secondary Oil Corp., Inc. | Austin, TX 78750 | Oil Operator | Apr 1999 |
| 25761 | Secondary Recovery, Inc. | | Oil & Gas Operator | Dec 1991 |
| 25762 | Secure Exploration And Production, LLC | | Oil Operator | Jan 2026 |
| 25763 | Security Pacific National Bank | | Oil Operator | Dec 1990 |
| 25764 | Sed Energy Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2026 |
| 25765 | Sedalia Energy, LLC | | Oil & Gas Operator | Mar 2018 |
| 25766 | Sedco Resources Inc | Kerrville, TX 78029 | Oil & Gas Operator | Jun 2026 |
| 25767 | Sedna Energy LLC | Blanchard, OK 73010-8043 | Gas Operator | Apr 2017 |
| 25768 | Sedona Oil & Gas Corporation | Dallas, TX 75231 | Oil & Gas Operator | Jun 2026 |
| 25769 | See Oil | | Oil Operator | Feb 2026 |
| 25770 | Seeco | | Gas Operator | Mar 2016 |
| 25771 | Seeco, Inc. | | Gas Operator | Mar 2015 |
| 25772 | Seed Group/Aa Drilling | | Oil Operator | Oct 2009 |
| 25773 | Seedy Draw LLC | Greenwood VIllage, CO 80111 | Oil Operator | Jan 2026 |
| 25774 | Seek Energy, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2026 |
| 25775 | Seeker Oil Company II, Inc. | San Antonio, TX 78209 | Oil Operator | Jan 2016 |
| 25776 | Seeker Oil Company, Incorporated | San Antonio, TX 78209 | Oil & Gas Operator | Jun 2026 |
| 25777 | Seeker, LLC | Newkirk, OK 74647 | Oil & Gas Operator | Nov 2019 |
| 25778 | Seel-Mac Oil & Gas LLC | Richardson, TX 75080 | Oil Operator | Jul 2011 |
| 25779 | Seeley Oil Company, LLC | Cortez, CO 81321 | Oil & Gas Operator | Mar 2026 |
| 25780 | Seelig Oil Corpo | | Oil Operator | Apr 1985 |
| 25781 | Seely Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2026 |
| 25782 | Seelye, William L. | Plano, TX 75024 | Oil & Gas Operator | Oct 2005 |
| 25783 | Seer Operating LLC | Sheridan, WY 82801 | Oil & Gas Operator | Oct 2016 |
| 25784 | Seewald, Hughes | Amarillo, TX 79105 | Gas Operator | Jan 1997 |
| 25785 | Segars Operating | | Gas Operator | Apr 2014 |
| 25786 | Segler, Charles | Holliday, TX 76366 | Oil & Gas Operator | Mar 2008 |
| 25787 | Segrest-Ward Joint Venture | Longview, TX 75606 | Oil & Gas Operator | Jun 2001 |
| 25788 | Seguin Pump | Seguin, TX 78155 | Oil & Gas Operator | Sep 2017 |
| 25789 | Seguro Oil & Gas Inc | | Oil Operator | Jul 1992 |
| 25790 | Seguro Oil And Gas, LLC | Midland, TX 79702 | Oil & Gas Operator | Jul 2024 |
| 25791 | Seguro Well Service, Inc. | Gonzales, TX 78629 | Oil & Gas Operator | Jun 2026 |
| 25792 | Sei Operating, LLC | Mandeville, LA 70471 | Oil & Gas Operator | Jun 2026 |
| 25793 | Seibel Modern MFG. & Welding Corp. | Lancaster, NY 14086 | Gas Operator | Dec 2024 |
| 25794 | Seibert Oil & Gas | Hudson, OH 44236-4430 | Oil & Gas Operator | Dec 1999 |
| 25795 | Seibert Oil, LLC | Macksville, KS 67557 | Oil & Gas Operator | Jul 2025 |
| 25796 | Seidler Oil & Gas Operating, LLC | Alvarado, TX 76009 | Oil & Gas Operator | Jun 2026 |
| 25797 | Seifert, Timothy M. | Caledonia, NY 14423 | Gas Operator | Dec 2024 |
| 25798 | Seiguf Oil Company, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2026 |
| 25799 | Seiran E & P Company, LLC | Friendswood, TX 77546 | Oil & Gas Operator | Jun 2026 |
| 25800 | Seisgen Exploration, Inc | Houston, TX 77024 | Gas Operator | Aug 2005 |