| 27701 | Surge Operating, LLC | Houston, TX 77041 | Oil & Gas Operator | May 2026 |
| 27702 | Surge Solutions, Inc. | Bandera, TX 78003 | Oil & Gas Operator | May 2026 |
| 27703 | Surtek Inc | | Oil & Gas Operator | May 1993 |
| 27704 | Survivor Oil Inc | Tulsa, OK 74133 | Oil & Gas Operator | Sep 2007 |
| 27705 | Susan Sullivan Dba Lizard Production | Bloomfield, NM 87413 | Oil & Gas Operator | Mar 2011 |
| 27706 | Susanna Corporation | Breckenridge, TX 76424 | Oil & Gas Operator | May 2026 |
| 27707 | Susquehanna Energies Inc | Punxsutawney, PA 15767-4004 | Oil & Gas Operator | Dec 2025 |
| 27708 | Susquehanna Expl & Prod LLC | Glen Campbell, PA 15742-0159 | Gas Operator | Dec 2024 |
| 27709 | Sutherland Energy Co., LLC | Bridgeport, TX 76426 | Oil & Gas Operator | May 2026 |
| 27710 | Sutterfield-Tisdale-Payne, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 1998 |
| 27711 | Sutton Eddie L Dba Sutton Eddie L Oil Company | Loco, OK 73442-9701 | Oil Operator | Jan 2026 |
| 27712 | Sutton Energy LLC | Ada, OK 74820 | Oil & Gas Operator | Mar 2026 |
| 27713 | Sutton Enterprises Inc | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 1996 |
| 27714 | Sutton Investmen | | Oil Operator | Mar 1987 |
| 27715 | Sutton Joint Account | | Oil Operator | Mar 1988 |
| 27716 | Sutton Oil Co. | San Antonio, TX 78254 | Oil & Gas Operator | May 2026 |
| 27717 | Sutton Oil Company, LLC | Loco, OK 73442 | Oil Operator | Mar 2026 |
| 27718 | Sutton Producing Corp. | San Antonio, TX 78270 | Oil & Gas Operator | May 2026 |
| 27719 | Sutton, Elmer H | Williamsburg, KY 40769 | Oil & Gas Operator | Dec 2013 |
| 27720 | Sutton, John E. | Oregon, OH 43616 | Oil & Gas Operator | May 2026 |
| 27721 | Sutton, Robert E., Inc. | Odessa, TX 79760 | Oil & Gas Operator | Mar 1997 |
| 27722 | Sutton-Gerard Et Al | | Oil & Gas Operator | Jan 1990 |
| 27723 | Sutton-Gerard-Sawyer | | Oil & Gas Operator | Jan 1990 |
| 27724 | Sutton-Munson Oil | Edmond, OK 73034 | Oil & Gas Operator | Jun 1999 |
| 27725 | Sutton-Sawyer | | Oil Operator | Mar 1989 |
| 27726 | SV Abs Interest Wetmore Proj | Saint Marys, PA 15857-1729 | Oil & Gas Operator | Dec 2025 |
| 27727 | SV Energy Company, LLC | Corpus Christ, TX 78401 | Oil & Gas Operator | Mar 2017 |
| 27728 | Sven Permian, LLC | Houston, TX 77243 | Oil & Gas Operator | Aug 2025 |
| 27729 | SW Associates | | Oil & Gas Operator | Dec 1985 |
| 27730 | SW Gas Stge | | Gas Operator | Oct 2015 |
| 27731 | SW Operating, Inc. | Kilgore, TX 75662 | Oil & Gas Operator | Sep 2000 |
| 27732 | Swab Oil Co. | Midland, TX 79702 | Oil & Gas Operator | May 2026 |
| 27733 | Swadley Et Al | Holdenville, OK 74848-0794 | Oil & Gas Operator | Nov 2014 |
| 27734 | Swadley Roy W & Judith I | Holdenville, OK 74848-0794 | Oil & Gas Operator | Mar 2015 |
| 27735 | Swag Oil And Gas Company, Inc. | | Oil & Gas Operator | Jul 1982 |
| 27736 | Swain Clinton Edward | Ochelata, OK 74051-2220 | Oil Operator | Jan 2026 |
| 27737 | Swain, Randall R | | Oil Operator | Aug 2000 |
| 27738 | Swamp Angel Energy LLC | Wichita, KS 67220-3900 | Oil & Gas Operator | Dec 2009 |
| 27739 | Swampfox Oilfield Services, LLC | | Oil & Gas Operator | Dec 2024 |
| 27740 | Swan Lake Properties, Inc. | | Oil Operator | Jul 1987 |
| 27741 | Swan Oil Company | Kellyville, OK 74039-5607 | Oil & Gas Operator | Dec 2023 |
| 27742 | Swan PC, LP | Jacksboro, TX 76458 | Oil & Gas Operator | May 2026 |
| 27743 | Swan Production Co. | Jacksboro, TX 76458 | Oil & Gas Operator | Nov 2009 |
| 27744 | Swan Richard N | Claremore, OK 74018-0503 | Oil Operator | Aug 2013 |
| 27745 | Swander, Everett | Cunningham, KS 67035 | Oil Operator | May 1998 |
| 27746 | Swanhart Angelo & Deborah | Indiana, PA 15701-6301 | Gas Operator | Dec 2025 |
| 27747 | Swanner Properties | Wichita Falls, TX 76309 | Oil & Gas Operator | May 2026 |
| 27748 | Swanson & Vestal | Electra, TX 76360 | Oil & Gas Operator | Oct 1997 |
| 27749 | Swanson Douglas L & Sharon | Bartlesville, OK 74003-9319 | Oil Operator | Mar 2026 |
| 27750 | Swanson G T | Duncan, OK 73533 | Oil & Gas Operator | Nov 1998 |
| 27751 | Swanson Oil & Gas LLC | Williston, ND 58802 | Oil & Gas Operator | Mar 2026 |
| 27752 | Swanson Operating, Inc. | Holliday, TX 76366 | Oil Operator | May 2026 |
| 27753 | Swanson, Tom | Electra, TX 76360 | Oil & Gas Operator | Oct 2004 |
| 27754 | Swanson, Tommy Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Mar 2017 |
| 27755 | Swaringin, Howard Operating | Maryneal, TX 79535 | Oil & Gas Operator | May 2003 |
| 27756 | Swartout, John D & Sandra | Sherman, NY 14781 | Gas Operator | Dec 2024 |
| 27757 | Swartz Oil Company | San Angelo, TX 76906 | Oil & Gas Operator | May 2026 |
| 27758 | Swartz, Guy A. | San Angelo, TX 76904 | Oil & Gas Operator | Aug 1993 |
| 27759 | SWD Acidizing, Inc. | | Oil Operator | Feb 2014 |
| 27760 | SWD, Inc. | | Oil Operator | Jan 2025 |
| 27761 | Swearingen Robert E Dba Sabo Production | Seminole, OK 74868 | Oil & Gas Operator | Feb 2026 |
| 27762 | Sweet Crude Operating LLC | Brenham, TX 77834 | Oil & Gas Operator | May 2026 |
| 27763 | Sweet Texas T Energy LLC | Clyde, TX 79510 | Oil Operator | May 2026 |
| 27764 | Sweetwater Drilling Co., Inc. | Fort Worth, TX 76116 | Oil & Gas Operator | May 2026 |
| 27765 | Sweetwater Exploration LLC | Norman, OK 73069-5636 | Oil & Gas Operator | Feb 2026 |
| 27766 | Sweetwater Production, Inc. | Abilene, TX 79602 | Oil & Gas Operator | May 2026 |
| 27767 | Swenco-Western I | | Oil Operator | Sep 1987 |
| 27768 | Swenco-Western Inc | Houston, TX 77060 | Oil & Gas Operator | Jan 1997 |
| 27769 | Swenson Backhoe Service, Inc. | Electra, TX 76360 | Oil Operator | May 2026 |
| 27770 | Swenson, Clifford E. | Henrietta, TX 76365 | Oil & Gas Operator | May 2026 |
| 27771 | Swenton Michael J | Tulsa, OK 74105 | Oil & Gas Operator | Mar 2026 |
| 27772 | Swepi LP | Houston, TX 77079 | Oil & Gas Operator | Jul 2020 |
| 27773 | Swepi LP And Miller Brothers | | Oil & Gas Operator | Oct 1992 |
| 27774 | Swepi/Western Division | Houston, TX 77210 | Oil & Gas Operator | Aug 1984 |
| 27775 | Swevco-Sabw LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 27776 | Swiess & Thomas | San Antonio, TX 78247 | Oil Operator | May 2026 |
| 27777 | Swift A W & Company Inc | Sand Springs, OK 74063-5124 | Oil Operator | Jun 2003 |
| 27778 | Swift Energy Com | | Oil & Gas Operator | Sep 1995 |
| 27779 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
| 27780 | Swift Energy Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | Jun 2017 |
| 27781 | Swinea Well Service Inc | Drumright, OK 74030 | Oil & Gas Operator | Mar 2015 |
| 27782 | Swingle Drilling Inc | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2025 |
| 27783 | Swinkwood Oil Co | | Oil Operator | Apr 2015 |
| 27784 | Switchgrass E&P Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2026 |
| 27785 | SWJN Oil Company | Kilgore, TX 75663 | Oil Operator | May 2026 |
| 27786 | SWN Production (Louisiana), LLC | | Oil & Gas Operator | Dec 2024 |
| 27787 | SWN Production (Ohio), LLC | Spring, TX 77389 | Oil & Gas Operator | Mar 2024 |
| 27788 | SWN Production Company, LLC | Spring, TX 77391 | Oil & Gas Operator | Dec 2025 |
| 27789 | SWN Production LLC | Spring, TX 77389-4954 | Oil & Gas Operator | Feb 2022 |
| 27790 | Swo & Ism, LLC | | Oil & Gas Operator | Dec 2021 |
| 27791 | Swope Corp. | Austin, TX 78735 | Oil & Gas Operator | May 2026 |
| 27792 | Swordfish Energy Operating, LLC | Houston, TX 77060 | Oil & Gas Operator | May 2026 |
| 27793 | SWS | Humble, TX 77338 | Oil Operator | May 2026 |
| 27794 | SWS Operating LLC | Lawton, OK 73501-3236 | Oil Operator | Sep 2024 |
| 27795 | SWV Energy Operating LLC | Spring, TX 77379 | Gas Operator | Dec 2018 |
| 27796 | SX54, LLC | Sheridan, WY 82801 | Oil Operator | Nov 2017 |
| 27797 | Sycamore Development Partners LLC | | Oil & Gas Operator | Mar 2026 |
| 27798 | Sydri Operating, LLC | Dallas, TX 75231 | Oil & Gas Operator | May 2026 |
| 27799 | Sydson D'Oro Exploration Co. | Houston, TX 77079 | Oil & Gas Operator | Jan 1992 |
| 27800 | Sydson Energy, Inc. | Houston, TX 77019 | Oil & Gas Operator | May 2026 |