| 29401 | SWN Production (Louisiana), LLC | | Oil & Gas Operator | Dec 2024 |
| 29402 | SWN Production (Ohio), LLC | Morgantown, WV 26508 | Oil & Gas Operator | Mar 2024 |
| 29403 | SWN Production Company, LLC | Spring, TX 77391 | Oil & Gas Operator | Dec 2025 |
| 29404 | SWN Production LLC | Spring, TX 77389-4954 | Oil & Gas Operator | Feb 2022 |
| 29405 | Swo & Ism, LLC | | Oil & Gas Operator | Dec 2021 |
| 29406 | Swope Corp. | Austin, TX 78735 | Oil & Gas Operator | Feb 2026 |
| 29407 | Swordfish Energy Operating, LLC | Houston, TX 77060 | Oil & Gas Operator | Feb 2026 |
| 29408 | SWS | Humble, TX 77338 | Oil Operator | Feb 2026 |
| 29409 | SWS Operating LLC | Lawton, OK 73501-3236 | Oil Operator | Sep 2024 |
| 29410 | SWV Energy Operating LLC | Spring, TX 77379 | Gas Operator | Dec 2018 |
| 29411 | SX54, LLC | Sheridan, WY 82801 | Oil Operator | Nov 2017 |
| 29412 | Sycamore Development Partners LLC | | Oil & Gas Operator | Dec 2025 |
| 29413 | Sydri Operating, LLC | Dallas, TX 75231 | Oil & Gas Operator | Feb 2026 |
| 29414 | Sydson D'Oro Exploration Co. | Houston, TX 77079 | Oil & Gas Operator | Jan 1992 |
| 29415 | Sydson Energy, Inc. | Houston, TX 77027 | Oil & Gas Operator | Feb 2026 |
| 29416 | Syj Oil & Gas | San Antonio, TX 78209 | Oil Operator | Sep 2000 |
| 29417 | Syj Oil & Gas, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2026 |
| 29418 | Sylvan Energy, LLC | Pittsburgh, PA 15211 | Oil & Gas Operator | Feb 2026 |
| 29419 | Sylvan Oil Operating Company | Tulsa, OK 74103-3516 | Oil & Gas Operator | Apr 2016 |
| 29420 | Sylves Robert J | New Florence, PA 15944-7950 | Gas Operator | Dec 2016 |
| 29421 | Sylvite Corp | Tulsa, OK 741363908 | Oil & Gas Operator | Dec 2000 |
| 29422 | Symank, Steve | Olney, TX 76374 | Oil & Gas Operator | Feb 2026 |
| 29423 | Symba American Oil, Inc | Houston, TX 77056 | Oil Operator | Feb 2026 |
| 29424 | Synd Enterprises Inc | Lakewood, NY 14750-9613 | Oil & Gas Operator | Dec 2006 |
| 29425 | Syndex Resources, Inc. | Wellesley, MA 02181-000 | Oil & Gas Operator | Dec 2021 |
| 29426 | Synergex Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Nov 2025 |
| 29427 | Synergy Development Corp | | Oil Operator | Apr 2011 |
| 29428 | Synergy Offshore LLC | Houston, TX 77024 | Oil & Gas Operator | Feb 2022 |
| 29429 | Synergy Oil & Gas LLC | | Oil & Gas Operator | Nov 2025 |
| 29430 | Synergy Oil & Gas, Inc. | Houston, TX 77024 | Oil & Gas Operator | Nov 2019 |
| 29431 | Synergy Oil & Gas, Inc. (A) | Houston, TX 77024 | Oil & Gas Operator | Aug 2001 |
| 29432 | Synergy Oil & Gas, L.P. | Houston, TX 77024 | Oil & Gas Operator | May 2012 |
| 29433 | Synergy Operating Co., LLC | Dallas, TX 75225 | Oil & Gas Operator | Feb 2026 |
| 29434 | Synergy Operating LLC | Farmington, NM 87499 | Oil & Gas Operator | Nov 2025 |
| 29435 | Synergy Production Company | Houston, TX 77024 | Oil & Gas Operator | Jan 1996 |
| 29436 | Synergy Resources | Artesia, NM 88210 | Oil & Gas Operator | Jan 2015 |
| 29437 | Syntax Energy Corporation | Denton, TX 76210 | Oil Operator | Feb 2026 |
| 29438 | Synthetic Energy Corporation | Houston, TX 77006 | Oil Operator | Feb 2026 |
| 29439 | Szumigala, Edward R. & Ruth A. | Dunkirk, NY 14048 | Gas Operator | Dec 2024 |
| 29440 | T & A Resources LLC | Salyersville, KY 41465 | Oil Operator | Dec 2023 |
| 29441 | T & B Drilling, Inc | Columbia, KY 42728 | Oil Operator | Dec 2023 |
| 29442 | T & B Oil Company Inc | Ardmore, OK 73401-3709 | Oil & Gas Operator | Apr 2015 |
| 29443 | T & B Resources | | Oil & Gas Operator | Jul 1990 |
| 29444 | T & C MFG. & Operating, Inc. | Great Bend, KS 67530 | Oil Operator | May 2022 |
| 29445 | T & C Oil, Inc. | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2024 |
| 29446 | T & D Oil | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2026 |
| 29447 | T & D Oil Co. | Victoria, KS 67671 | Oil Operator | Apr 1996 |
| 29448 | T & D Oil Compan | | Oil Operator | Jan 1992 |
| 29449 | T & D Oil LLC (Osage Only) | | Oil & Gas Operator | Nov 2025 |
| 29450 | T & F Exploration, LP | Pittsburgh, PA 15241-1375 | Oil & Gas Operator | Oct 2025 |
| 29451 | T & F Oil Company | | Oil Operator | Jan 2025 |
| 29452 | T & F Oil Company, LLC | | Oil Operator | Oct 2011 |
| 29453 | T & G Energy LLC | Dallas, TX 75230 | Oil Operator | Nov 2010 |
| 29454 | T & G Holding LLC | Pauls Valley, OK 73075-8663 | Oil & Gas Operator | Mar 2015 |
| 29455 | T & G Oil Operations LLC | | Oil Operator | Sep 2025 |
| 29456 | T & G Oil, Inc. | White Oak, TX 75693 | Oil & Gas Operator | Dec 2010 |
| 29457 | T & H Drilling | Middleport, OH 45760 | Oil & Gas Operator | Dec 2009 |
| 29458 | T & I Petroleum Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2005 |
| 29459 | T & J Oil Production, L.L.C. | Lone Grove, OK 73443 | Oil & Gas Operator | Nov 2025 |
| 29460 | T & J Operating | Ada, OK 74821-1547 | Oil Operator | Feb 2012 |
| 29461 | T & K Oil Inc | Stephens, AR 71764 | Oil Operator | Jan 2025 |
| 29462 | T & L Oil Production | | Oil Operator | Jan 2025 |
| 29463 | T & L Production | | Oil Operator | May 1987 |
| 29464 | T & L Production Company | | Oil Operator | Feb 1984 |
| 29465 | T & M Gauging | | Oil Operator | Oct 2006 |
| 29466 | T & M Oil & Royalty | Ada, OK 74820 | Oil & Gas Operator | Dec 2025 |
| 29467 | T & M Oil Company | Midlothian, TX 76065 | Oil & Gas Operator | Feb 2026 |
| 29468 | T & O Gas Co | | Oil Operator | May 2001 |
| 29469 | T & P Exploration | Addison, TX 75006 | Oil & Gas Operator | Aug 1993 |
| 29470 | T & P Oil & Gas, L.L.C. | Overland Park, KS 66212 | Oil Operator | Dec 2009 |
| 29471 | T & R Investments, Inc. | Borger, TX 79008 | Oil & Gas Operator | Nov 1995 |
| 29472 | T & R Oil Company, A General Partnership | Moline, KS 67353 | Oil Operator | Dec 2019 |
| 29473 | T & S Oil & Gas, LLC | Graham, TX 76450 | Gas Operator | Feb 2026 |
| 29474 | T & T Compression Inc | Clymer, PA 15728-1014 | Gas Operator | Dec 2025 |
| 29475 | T & T Contracting Dba Hulman Contracting, LLC | Rockfield, KY 42274 | Oil & Gas Operator | Dec 2023 |
| 29476 | T & T Oil Co. | San Antonio, TX 78205 | Oil & Gas Operator | Dec 2002 |
| 29477 | T & T Production Co. | Victoria, TX 77902 | Oil & Gas Operator | Feb 1995 |
| 29478 | T & W Ward Oil LLC | Blackwell, OK 74631 | Oil Operator | Nov 2025 |
| 29479 | T - C Oil Company | Refugio, TX 78377 | Oil & Gas Operator | Jan 2012 |
| 29480 | T And DS Lube Doctors LLC | Carlsbad, NM 88220 | Gas Operator | Dec 2025 |
| 29481 | T And L Oil Inc | Tonkawa, OK 74653-4530 | Oil & Gas Operator | Nov 2025 |
| 29482 | T B C Inc | Coweta, OK 74429 | Oil & Gas Operator | Apr 2020 |
| 29483 | T B Drilling Co | Moxahala, OH 43761 | Oil & Gas Operator | Dec 1998 |
| 29484 | T B K Energy Company | Brenham, TX 77833 | Oil & Gas Operator | Nov 2025 |
| 29485 | T Bar M Energy Resources LLC | Sapulpa, OK 74066 | Oil & Gas Operator | Nov 2025 |
| 29486 | T C Craighead & Company LLC | Ardmore, OK 73401 | Oil & Gas Operator | Aug 2019 |
| 29487 | T C Operating | Archer City, TX 76351 | Oil & Gas Operator | Sep 2016 |
| 29488 | T C Production | | Oil Operator | May 1994 |
| 29489 | T D Cox Oil Corporation | | Oil & Gas Operator | Nov 2025 |
| 29490 | T D Energy Company Inc | Broken Arrow, OK 74011-3953 | Oil & Gas Operator | Feb 2015 |
| 29491 | T Dozer D Oil Co. | Goree, TX 76363 | Oil & Gas Operator | Feb 2026 |
| 29492 | T E F Inc | Madill, OK 73446-6656 | Oil & Gas Operator | Jul 2023 |
| 29493 | T E L Oil & Gas Corporation | Guymon, OK 73941 | Gas Operator | Nov 2025 |
| 29494 | T G & S Oil | Marietta, OK 73448 | Oil & Gas Operator | Dec 2025 |
| 29495 | T G T Petroleum Corporation | Wichita, KS 67275 | Oil & Gas Operator | Sep 2025 |
| 29496 | T H Production Co. | | Oil & Gas Operator | Mar 1994 |
| 29497 | T Investments Inc | Oklahoma City, OK 73118-1401 | Oil & Gas Operator | Mar 2011 |
| 29498 | T J D Oil Compan | | Oil Operator | Feb 1989 |
| 29499 | T Jack Foster Trust A | Foster City, CA 94404 | Gas Operator | Sep 1995 |
| 29500 | T JS Oil & Gas Inc | Fresno, OH 43824 | Oil & Gas Operator | Dec 2023 |