| 28901 | Swab Oil Co. | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 28902 | Swadley Et Al | Holdenville, OK 74848-0794 | Oil & Gas Operator | Nov 2014 |
| 28903 | Swadley Roy W & Judith I | Holdenville, OK 74848-0794 | Oil & Gas Operator | Mar 2015 |
| 28904 | Swag Oil And Gas Company, Inc. | | Oil & Gas Operator | Jul 1982 |
| 28905 | Swaim, Charles | Tolar, TX 76476 | Oil & Gas Operator | Apr 2020 |
| 28906 | Swain Clinton Edward | Ochelata, OK 74051-2220 | Oil Operator | Oct 2024 |
| 28907 | Swain, Randall R | | Oil Operator | Aug 2000 |
| 28908 | Swamp Angel Energy LLC | Wichita, KS 67220-3900 | Oil & Gas Operator | Dec 2009 |
| 28909 | Swampfox Oilfield Services, LLC | | Oil & Gas Operator | Dec 2024 |
| 28910 | Swan Lake Properties, Inc. | | Oil Operator | Jul 1987 |
| 28911 | Swan Oil Company | Kellyville, OK 74039-5607 | Oil & Gas Operator | Dec 2023 |
| 28912 | Swan PC, LP | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2025 |
| 28913 | Swan Production Co. | Jacksboro, TX 76458 | Oil & Gas Operator | Nov 2009 |
| 28914 | Swan Richard N | Claremore, OK 74018-0503 | Oil Operator | Aug 2013 |
| 28915 | Swander, Everett | Cunningham, KS 67035 | Oil Operator | May 1998 |
| 28916 | Swanhart Angelo & Deborah | Indiana, PA 15701-6301 | Gas Operator | Dec 2024 |
| 28917 | Swanner Properties | Wichita Falls, TX 76309 | Oil & Gas Operator | Apr 2025 |
| 28918 | Swanson & Vestal | Electra, TX 76360 | Oil & Gas Operator | Oct 1997 |
| 28919 | Swanson Douglas L & Sharon | Bartlesville, OK 74003-9319 | Oil Operator | Jan 2025 |
| 28920 | Swanson G T | Duncan, OK 73533 | Oil & Gas Operator | Nov 1998 |
| 28921 | Swanson Operating, Inc. | Holliday, TX 76366 | Oil Operator | Apr 2025 |
| 28922 | Swanson, Tom | Electra, TX 76360 | Oil & Gas Operator | Oct 2004 |
| 28923 | Swanson, Tommy Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Mar 2017 |
| 28924 | Swaringin, Howard Operating | Maryneal, TX 79535 | Oil & Gas Operator | May 2003 |
| 28925 | Swartout, John D & Sandra | Sherman, NY 14781 | Gas Operator | Dec 2023 |
| 28926 | Swartz Oil Company | San Angelo, TX 76906 | Oil & Gas Operator | Apr 2025 |
| 28927 | Swartz, Guy A. | San Angelo, TX 76904 | Oil & Gas Operator | Aug 1993 |
| 28928 | SWD Acidizing, Inc. | | Oil Operator | Feb 2014 |
| 28929 | SWD, Inc. | | Oil Operator | Jan 2025 |
| 28930 | Swearingen Robert E Dba Sabo Production | Seminole, OK 74868 | Oil & Gas Operator | Jan 2025 |
| 28931 | Sweet Crude Operating LLC | Brenham, TX 77834 | Oil & Gas Operator | Apr 2025 |
| 28932 | Sweet Texas T Energy LLC | Clyde, TX 79510 | Oil Operator | Apr 2025 |
| 28933 | Sweetwater Drilling Co., Inc. | Fort Worth, TX 76116 | Oil & Gas Operator | Apr 2025 |
| 28934 | Sweetwater Exploration LLC | Norman, OK 73069-5636 | Oil & Gas Operator | Jan 2025 |
| 28935 | Sweetwater Production, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Apr 2025 |
| 28936 | Swenco-Western I | | Oil Operator | Sep 1987 |
| 28937 | Swenco-Western Inc | Houston, TX 77060 | Oil & Gas Operator | Jan 1997 |
| 28938 | Swenson Backhoe Service, Inc. | Electra, TX 76360 | Oil Operator | Apr 2025 |
| 28939 | Swenson, Clifford E. | Henrietta, TX 76365 | Oil & Gas Operator | Apr 2025 |
| 28940 | Swenton, Michael J. | Tulsa, OK 74105 | Oil & Gas Operator | Jan 2025 |
| 28941 | Swepi LP | Houston, TX 77079 | Oil & Gas Operator | Jul 2020 |
| 28942 | Swepi LP And Miller Brothers | | Oil & Gas Operator | Oct 1992 |
| 28943 | Swepi/Western Division | Houston, TX 77210 | Oil & Gas Operator | Aug 1984 |
| 28944 | Swevco-Sabw LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2025 |
| 28945 | Swiess & Thomas | San Antonio, TX 78247 | Oil Operator | Apr 2025 |
| 28946 | Swift A W & Company Inc | Sand Springs, OK 74063-5124 | Oil Operator | Jun 2003 |
| 28947 | Swift Beef Company | | Oil & Gas Operator | May 2006 |
| 28948 | Swift Energy Com | | Oil & Gas Operator | Sep 1995 |
| 28949 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
| 28950 | Swift Energy Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | Jun 2017 |
| 28951 | Swinea Well Service Inc | Drumright, OK 74030 | Oil & Gas Operator | Mar 2015 |
| 28952 | Swingle Drilling Inc | Crooksville, OH 43731 | Oil & Gas Operator | Dec 2024 |
| 28953 | Swinkwood Oil Co | | Oil Operator | Apr 2015 |
| 28954 | SWJN Oil Company | Kilgore, TX 75663 | Oil Operator | Apr 2025 |
| 28955 | SWN Production (Louisiana), LLC | | Oil & Gas Operator | Dec 2024 |
| 28956 | SWN Production (Ohio), LLC | Morgantown, WV 26508 | Oil & Gas Operator | Mar 2024 |
| 28957 | SWN Production Company, LLC | Spring, TX 77391 | Oil & Gas Operator | Jan 2025 |
| 28958 | SWN Production LLC | Spring, TX 77389-4954 | Oil & Gas Operator | Feb 2022 |
| 28959 | Swo & Ism, LLC | | Oil & Gas Operator | Dec 2021 |
| 28960 | Swope Corp. | Austin, TX 78735 | Oil & Gas Operator | Apr 2025 |
| 28961 | SWS | Humble, TX 77338 | Oil Operator | Apr 2025 |
| 28962 | SWS Operating LLC | Lawton, OK 73501-3236 | Oil Operator | Sep 2024 |
| 28963 | SWV Energy Operating LLC | Spring, TX 77379 | Gas Operator | Dec 2018 |
| 28964 | SX54, LLC | Sheridan, WY 82801 | Oil Operator | Nov 2017 |
| 28965 | Sydri Operating, LLC | Dallas, TX 75231 | Oil & Gas Operator | Apr 2025 |
| 28966 | Sydson D'Oro Expl. Co. | Houston, TX 77079 | Oil & Gas Operator | Jan 1992 |
| 28967 | Sydson Energy, Inc. | Houston, TX 77027 | Oil & Gas Operator | Apr 2025 |
| 28968 | Syj Oil & Gas | San Antonio, TX 78209 | Oil Operator | Sep 2000 |
| 28969 | Syj Oil & Gas, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2025 |
| 28970 | Sylvan Energy, LLC | Pittsburgh, PA 15211 | Oil & Gas Operator | Apr 2025 |
| 28971 | Sylvan Oil Operating Company | Tulsa, OK 74103-3516 | Oil & Gas Operator | Apr 2016 |
| 28972 | Sylvite Corp | Tulsa, OK 741363908 | Oil & Gas Operator | Dec 2000 |
| 28973 | Symank, Steve | Olney, TX 76374 | Oil & Gas Operator | Apr 2025 |
| 28974 | Symba American Oil, Inc | Houston, TX 77056 | Oil Operator | Apr 2025 |
| 28975 | Synd Enterprises Inc | Lakewood, NY 14750-9613 | Oil & Gas Operator | Dec 2006 |
| 28976 | Syndex Resources, Inc. | Wellesley, MA 02181-000 | Oil & Gas Operator | Dec 2021 |
| 28977 | Synergex Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Jan 2025 |
| 28978 | Synergy Development Corp | | Oil Operator | Apr 2011 |
| 28979 | Synergy Offshore LLC | Houston, TX 77024 | Oil & Gas Operator | Feb 2022 |
| 28980 | Synergy Oil & Gas LLC | | Oil & Gas Operator | Dec 2024 |
| 28981 | Synergy Oil & Gas, Inc. | Houston, TX 77024 | Oil & Gas Operator | Nov 2019 |
| 28982 | Synergy Oil & Gas, Inc. (A) | Houston, TX 77024 | Oil & Gas Operator | Aug 2001 |
| 28983 | Synergy Oil & Gas, L.P. | Houston, TX 77024 | Oil & Gas Operator | May 2012 |
| 28984 | Synergy Operating Co., LLC | Dallas, TX 75225 | Oil & Gas Operator | Apr 2025 |
| 28985 | Synergy Operating LLC | Farmington, NM 87499 | Oil & Gas Operator | Jul 2024 |
| 28986 | Synergy Production Company | Houston, TX 77024 | Oil & Gas Operator | Jan 1996 |
| 28987 | Synergy Resources | Artesia, NM 88210 | Oil & Gas Operator | Jan 2015 |
| 28988 | Synergy Resources Corporation | | Oil & Gas Operator | Oct 2022 |
| 28989 | Syntax Energy Corporation | Denton, TX 76210 | Oil Operator | Apr 2025 |
| 28990 | Synthetic Energy Corporation | Houston, TX 77006 | Oil Operator | Apr 2025 |
| 28991 | Szumigala, Edward R. & Ruth A. | Dunkirk, NY 14048 | Gas Operator | Dec 2023 |
| 28992 | T & A Resources LLC | Salyersville, KY 41465 | Oil Operator | Dec 2023 |
| 28993 | T & B Oil Company Inc | Ardmore, OK 73401-3709 | Oil & Gas Operator | Apr 2015 |
| 28994 | T & B Resources | | Oil & Gas Operator | Jul 1990 |
| 28995 | T & C MFG. & Operating, Inc. | Great Bend, KS 67530 | Oil Operator | May 2022 |
| 28996 | T & C Oil, Inc. | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2024 |
| 28997 | T & D Oil | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2025 |
| 28998 | T & D Oil Co. | Victoria, KS 67671 | Oil Operator | Apr 1996 |
| 28999 | T & D Oil Compan | | Oil Operator | Jan 1992 |
| 29000 | T & D Oil LLC | Sand Springs, OK 74063 | Oil & Gas Operator | Jan 2025 |