| 27901 | Sutton, Elmer H | Williamsburg, KY 40769 | Oil & Gas Operator | Dec 2013 |
| 27902 | Sutton, John E. | Oregon, OH 43616 | Oil & Gas Operator | Sep 2026 |
| 27903 | Sutton, Robert E., Inc. | Odessa, TX 79760 | Oil & Gas Operator | Mar 1997 |
| 27904 | Sutton-Gerard Et Al | | Oil & Gas Operator | Jan 1990 |
| 27905 | Sutton-Gerard-Sawyer | | Oil & Gas Operator | Jan 1990 |
| 27906 | Sutton-Munson Oil | Edmond, OK 73034 | Oil & Gas Operator | Jun 1999 |
| 27907 | Sutton-Sawyer | | Oil Operator | Mar 1989 |
| 27908 | SV Abs Interest Wetmore Proj | Saint Marys, PA 15857-1729 | Oil & Gas Operator | Dec 2025 |
| 27909 | SV Energy Company, LLC | Corpus Christ, TX 78401 | Oil & Gas Operator | Mar 2017 |
| 27910 | Sven Permian, LLC | Houston, TX 77243 | Oil & Gas Operator | Aug 2025 |
| 27911 | SW Associates | | Oil & Gas Operator | Dec 1985 |
| 27912 | SW Gas Stge | | Gas Operator | Oct 2015 |
| 27913 | SW Operating, Inc. | Kilgore, TX 75662 | Oil & Gas Operator | Sep 2000 |
| 27914 | Swab Oil Co. | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 27915 | Swadley Et Al | Holdenville, OK 74848-0794 | Oil & Gas Operator | Nov 2014 |
| 27916 | Swadley Roy W & Judith I | Holdenville, OK 74848-0794 | Oil & Gas Operator | Mar 2015 |
| 27917 | Swag Oil And Gas Company, Inc. | | Oil & Gas Operator | Jul 1982 |
| 27918 | Swaim, Charles | Tolar, TX 76476 | Oil & Gas Operator | Apr 2020 |
| 27919 | Swain Clinton Edward | Ochelata, OK 74051-2220 | Oil Operator | May 2026 |
| 27920 | Swain, Randall R | | Oil Operator | Aug 2000 |
| 27921 | Swamp Angel Energy LLC | Wichita, KS 67220-3900 | Oil & Gas Operator | Dec 2009 |
| 27922 | Swampfox Oilfield Services, LLC | | Oil & Gas Operator | Dec 2024 |
| 27923 | Swan Lake Properties, Inc. | | Oil Operator | Jul 1987 |
| 27924 | Swan Oil Company | Kellyville, OK 74039-5607 | Oil & Gas Operator | Dec 2023 |
| 27925 | Swan PC, LP | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2026 |
| 27926 | Swan Production Co. | Jacksboro, TX 76458 | Oil & Gas Operator | Nov 2009 |
| 27927 | Swan Richard N | Claremore, OK 74018-0503 | Oil Operator | Aug 2013 |
| 27928 | Swander, Everett | Cunningham, KS 67035 | Oil Operator | May 1998 |
| 27929 | Swanhart Angelo & Deborah | Indiana, PA 15701-6301 | Gas Operator | Dec 2025 |
| 27930 | Swanner Properties | Wichita Falls, TX 76309 | Oil & Gas Operator | Sep 2026 |
| 27931 | Swanson & Vestal | Electra, TX 76360 | Oil & Gas Operator | Oct 1997 |
| 27932 | Swanson Douglas L & Sharon | Bartlesville, OK 74003-9319 | Oil Operator | Jun 2026 |
| 27933 | Swanson G T | Duncan, OK 73533 | Oil & Gas Operator | Nov 1998 |
| 27934 | Swanson Oil & Gas LLC | Williston, ND 58802 | Oil & Gas Operator | Jun 2026 |
| 27935 | Swanson Operating, Inc. | Holliday, TX 76366 | Oil Operator | Sep 2026 |
| 27936 | Swanson, Tom | Electra, TX 76360 | Oil & Gas Operator | Oct 2004 |
| 27937 | Swanson, Tommy Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Mar 2017 |
| 27938 | Swaringin, Howard Operating | Maryneal, TX 79535 | Oil & Gas Operator | May 2003 |
| 27939 | Swartout, John D & Sandra | Sherman, NY 14781 | Gas Operator | Dec 2025 |
| 27940 | Swartz Oil Company | San Angelo, TX 76906 | Oil & Gas Operator | Sep 2026 |
| 27941 | Swartz, Guy A. | San Angelo, TX 76904 | Oil & Gas Operator | Aug 1993 |
| 27942 | SWD Acidizing, Inc. | | Oil Operator | Feb 2014 |
| 27943 | SWD, Inc. | | Oil Operator | Jan 2025 |
| 27944 | Swearingen Robert E Dba Sabo Production | Seminole, OK 74868 | Oil & Gas Operator | Jun 2026 |
| 27945 | Sweet Crude Operating LLC | Brenham, TX 77834 | Oil & Gas Operator | Sep 2026 |
| 27946 | Sweet Texas T Energy LLC | Clyde, TX 79510 | Oil Operator | Sep 2026 |
| 27947 | Sweetwater Drilling Co., Inc. | Fort Worth, TX 76116 | Oil & Gas Operator | Sep 2026 |
| 27948 | Sweetwater Exploration LLC | Norman, OK 73069-5636 | Oil & Gas Operator | Jun 2026 |
| 27949 | Sweetwater Production, Inc. | Abilene, TX 79602 | Oil & Gas Operator | Sep 2026 |
| 27950 | Swenco-Western I | | Oil Operator | Sep 1987 |
| 27951 | Swenco-Western Inc | Houston, TX 77060 | Oil & Gas Operator | Jan 1997 |
| 27952 | Swenson Backhoe Service, Inc. | Electra, TX 76360 | Oil Operator | Sep 2026 |
| 27953 | Swenson, Clifford E. | Henrietta, TX 76365 | Oil & Gas Operator | Sep 2026 |
| 27954 | Swenton Michael J | Tulsa, OK 74105 | Oil & Gas Operator | Jul 2026 |
| 27955 | Swepi LP | Houston, TX 77079 | Oil & Gas Operator | Jul 2020 |
| 27956 | Swepi LP And Miller Brothers | | Oil & Gas Operator | Oct 1992 |
| 27957 | Swepi/Western Division | Houston, TX 77210 | Oil & Gas Operator | Aug 1984 |
| 27958 | Swevco-Sabw LLC | Houston, TX 77002 | Oil & Gas Operator | May 2026 |
| 27959 | Swiess & Thomas | San Antonio, TX 78247 | Oil Operator | Sep 2026 |
| 27960 | Swift A W & Company Inc | Sand Springs, OK 74063-5124 | Oil Operator | Jun 2003 |
| 27961 | Swift Energy Com | | Oil & Gas Operator | Sep 1995 |
| 27962 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
| 27963 | Swift Energy Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | Jun 2017 |
| 27964 | Swinea Well Service Inc | Drumright, OK 74030 | Oil & Gas Operator | Mar 2015 |
| 27965 | Swingle Drilling Inc | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2025 |
| 27966 | Swinkwood Oil Co | | Oil Operator | Apr 2015 |
| 27967 | Switchgrass E&P Operating, LLC | Denver, CO 80202 | Oil & Gas Operator | Jun 2026 |
| 27968 | SWJN Oil Company | Kilgore, TX 75663 | Oil Operator | Sep 2026 |
| 27969 | SWN Production (Louisiana), LLC | | Oil & Gas Operator | Dec 2024 |
| 27970 | SWN Production (Ohio), LLC | Spring, TX 77389 | Oil & Gas Operator | Mar 2024 |
| 27971 | SWN Production Company, LLC | Spring, TX 77391 | Oil & Gas Operator | Dec 2025 |
| 27972 | SWN Production LLC | Spring, TX 77389-4954 | Oil & Gas Operator | Feb 2022 |
| 27973 | Swo & Ism, LLC | | Oil & Gas Operator | Dec 2021 |
| 27974 | Swope Corp. | Austin, TX 78735 | Oil & Gas Operator | Sep 2026 |
| 27975 | Swordfish Energy Operating, LLC | Houston, TX 77060 | Oil & Gas Operator | Sep 2026 |
| 27976 | SWS | Humble, TX 77338 | Oil Operator | Sep 2026 |
| 27977 | SWS Operating LLC | Lawton, OK 73501-3236 | Oil Operator | Sep 2024 |
| 27978 | SWV Energy Operating LLC | Spring, TX 77379 | Gas Operator | Dec 2018 |
| 27979 | SX54, LLC | Sheridan, WY 82801 | Oil Operator | Nov 2017 |
| 27980 | Sycamore Development Partners LLC | | Oil & Gas Operator | Jul 2026 |
| 27981 | Sydri Operating, LLC | Dallas, TX 75231 | Oil & Gas Operator | Sep 2026 |
| 27982 | Sydson D'Oro Exploration Co. | Houston, TX 77079 | Oil & Gas Operator | Jan 1992 |
| 27983 | Sydson Energy, Inc. | Houston, TX 77019 | Oil & Gas Operator | Sep 2026 |
| 27984 | Syj Oil & Gas | San Antonio, TX 78209 | Oil Operator | Sep 2000 |
| 27985 | Syj Oil & Gas, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2026 |
| 27986 | Sylvan Energy, LLC | Pittsburgh, PA 15211 | Oil & Gas Operator | Sep 2026 |
| 27987 | Sylvan Oil Operating Company | Tulsa, OK 74103-3516 | Oil & Gas Operator | Apr 2016 |
| 27988 | Sylvite Corp | Tulsa, OK 741363908 | Oil & Gas Operator | Dec 2000 |
| 27989 | Symank, Steve | Olney, TX 76374 | Oil & Gas Operator | Sep 2026 |
| 27990 | Symba American Oil, Inc | Houston, TX 77056 | Oil Operator | Sep 2026 |
| 27991 | Synd Enterprises Inc | Lakewood, NY 14750-9613 | Oil & Gas Operator | Dec 2006 |
| 27992 | Syndex Resources, Inc. | Wellesley, MA 02181 | Oil & Gas Operator | Dec 2021 |
| 27993 | Synergex Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Jun 2026 |
| 27994 | Synergy Development Corp | | Oil Operator | Apr 2011 |
| 27995 | Synergy Offshore LLC | Houston, TX 77024 | Oil & Gas Operator | Feb 2022 |
| 27996 | Synergy Oil & Gas LLC | | Oil & Gas Operator | Apr 2026 |
| 27997 | Synergy Oil & Gas, Inc. | Houston, TX 77024 | Oil & Gas Operator | Nov 2019 |
| 27998 | Synergy Oil & Gas, Inc. (A) | Houston, TX 77024 | Oil & Gas Operator | Aug 2001 |
| 27999 | Synergy Oil & Gas, L.P. | Houston, TX 77024 | Oil & Gas Operator | May 2012 |
| 28000 | Synergy Operating Co., LLC | Dallas, TX 75225 | Oil & Gas Operator | Apr 2026 |