| 30301 | Triple K Oil LLC | | Oil & Gas Operator | Dec 2024 |
| 30302 | Triple L Management Co Inc | Edmond, OK 73025-2908 | Oil & Gas Operator | Apr 2018 |
| 30303 | Triple L Oil Company | Corpus Chrsti, TX 78469 | Oil & Gas Operator | Jan 1998 |
| 30304 | Triple L Operating Company LLC | Kilgore, TX 75663 | Oil Operator | Dec 2025 |
| 30305 | Triple M Saltwater Disposal, LP | Kilgore, TX 75663 | Oil Operator | Dec 2025 |
| 30306 | Triple Oak Farms, LLC | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 30307 | Triple S Construction | Blue Mound, KS 66010 | Gas Operator | Jun 2025 |
| 30308 | Triple S Drilling Company | Leonard, OK 74043 | Oil & Gas Operator | Feb 2012 |
| 30309 | Triple S Oil Company | | Oil & Gas Operator | Feb 1979 |
| 30310 | Triple S Well Se | | Oil Operator | Dec 1996 |
| 30311 | Triple Seven, Inc. | Oklahoma City, OK 73132 | Oil & Gas Operator | Nov 1997 |
| 30312 | Triple Singleton, Inc. | Santa Fe, TX 77510 | Oil & Gas Operator | Dec 2020 |
| 30313 | Triple T Oil, LLC | Louisburg, KS 66053 | Oil Operator | Jun 2025 |
| 30314 | Triple T Pipelines, Inc. | Frontenac, KS 66763 | Oil & Gas Operator | Sep 2023 |
| 30315 | Triple T Resources, LP | Dallas, TX 75205 | Oil & Gas Operator | Jun 2025 |
| 30316 | Triple W Oil Inc | Chandler, OK 74834-0546 | Oil & Gas Operator | May 2013 |
| 30317 | Triple-T Pipelin | | Oil & Gas Operator | Oct 1995 |
| 30318 | Tripledee Drilling Co Inc | Ardmore, OK 73402-1888 | Oil & Gas Operator | Dec 2015 |
| 30319 | Tripledee Operating Company LLC | Ardmore, OK 73401 | Oil & Gas Operator | Nov 2022 |
| 30320 | Triplett Larry W | Oklahoma City, OK 73112-5325 | Oil & Gas Operator | Mar 2015 |
| 30321 | Tripod Oil And Gas 3 LLC | Tulsa, OK 74152 | Oil Operator | Dec 2025 |
| 30322 | Tripower Resources LLC | Ardmore, OK 73402 | Oil & Gas Operator | Dec 2025 |
| 30323 | Tripower Resources, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2020 |
| 30324 | Tripp & Sons, LLC | Odessa, TX 79768 | Oil & Gas Operator | Dec 2025 |
| 30325 | Tripp Oil Company Inc | Houston, TX 77023 | Oil & Gas Operator | Jan 1992 |
| 30326 | Trissell Alva Lee | Willow, OK 73673-9602 | Oil Operator | Apr 2020 |
| 30327 | Tristar Energy 1 | | Oil Operator | Sep 1987 |
| 30328 | Tristar Energy Corporation | Casper, WY 82602 | Oil & Gas Operator | Dec 2007 |
| 30329 | Tristar Exploration, Inc | Pflugerville, TX 78660 | Oil & Gas Operator | Dec 2025 |
| 30330 | Tristar Oil & Gas | Freer, TX 78357 | Oil & Gas Operator | Dec 2025 |
| 30331 | Tristar Petroleum Resourc | Woodland Hills, CA 89101 | Oil & Gas Operator | Dec 1991 |
| 30332 | Tristate Nla, LLC | | Oil Operator | Dec 2024 |
| 30333 | Tritex Production Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Jan 2013 |
| 30334 | Tritex Resc Inco | | Oil Operator | Dec 1985 |
| 30335 | Tritex Resources, L.L.C. | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2009 |
| 30336 | Triton Energy LLC | Wortham, TX 76693 | Oil & Gas Operator | Dec 2025 |
| 30337 | Triton Oil & Gas Corp. | Houston, TX 77002 | Oil & Gas Operator | Nov 2014 |
| 30338 | Triton Operating LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Dec 2025 |
| 30339 | Trittipo, J. L. | | Oil & Gas Operator | Nov 1997 |
| 30340 | Trium Energy, Inc. | Laredo, TX 78041 | Gas Operator | Jul 2011 |
| 30341 | Trium, LTD. | Laredo, TX 78041 | Oil Operator | Dec 2025 |
| 30342 | Triumph Energy Inc | Lafayette, LA 70505 | Oil & Gas Operator | Nov 2015 |
| 30343 | Triumph Energy Inc-P B Berry | | Oil & Gas Operator | Jun 1986 |
| 30344 | Triumph Energy Partners LLC | Oklahoma City, OK 73102-5804 | Oil & Gas Operator | Oct 2025 |
| 30345 | Triumph Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 30346 | Triumph Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Jun 1994 |
| 30347 | Triumph Resources Inc | Oklahoma City, OK 73114 | Oil & Gas Operator | Nov 2004 |
| 30348 | Triunited Investors, LLC | Monte Sereno, CA 95030 | Oil Operator | May 2012 |
| 30349 | Trivestco Energy Company | Ponca City, OK 74601 | Oil & Gas Operator | Oct 2025 |
| 30350 | Trivista Operating LLC | Giddings, TX 78942 | Oil & Gas Operator | Dec 2025 |
| 30351 | Trivium Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2025 |
| 30352 | Trojan Oil And Gas | White Deer, TX 79097 | Oil & Gas Operator | Dec 1994 |
| 30353 | Trojan Oil Company, LLC | Big Lake, TX 76932 | Oil Operator | Dec 2025 |
| 30354 | Trojan Resources LLC | Sapulpa, OK 74066-8095 | Oil Operator | Aug 2025 |
| 30355 | Trolz Glynn And Associates Inc | | Oil & Gas Operator | Apr 1995 |
| 30356 | Troubadour Operating, LLC | Houston, TX 77019 | Oil & Gas Operator | Dec 2025 |
| 30357 | Troup Oil & Gas, LLC | Oklahoma City, OK 73112 | Oil Operator | Sep 2025 |
| 30358 | Trout Disposal Well Inc | Hammon, OK 73650 | Oil & Gas Operator | Jan 2025 |
| 30359 | Trout Kye Jr | | Oil & Gas Operator | Dec 2010 |
| 30360 | Trout Oil Company, Inc. | Odessa, TX 79762 | Oil & Gas Operator | Dec 2025 |
| 30361 | Troy E. Boyd | | Oil Operator | Oct 1998 |
| 30362 | Troy Energy Operating LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Oct 2025 |
| 30363 | Troy Jaco, Inc. | Sherman, TX 75091 | Oil Operator | Dec 2018 |
| 30364 | Troy Resources C | | Oil Operator | Jun 1990 |
| 30365 | Troyer Energies Inc | Waterford, PA 16441-2809 | Gas Operator | Dec 2014 |
| 30366 | Troyer Gas & Oil | Waterford, PA 16441-2843 | Gas Operator | Dec 2001 |
| 30367 | Troyer Howard E | Tulsa, OK 74133-8016 | Oil & Gas Operator | Dec 2014 |
| 30368 | Troyer, Marvin | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 30369 | Troyer, Walter, Jr. | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 30370 | Troyer, Wayne A. | Galva, KS 67443 | Oil Operator | Jun 1997 |
| 30371 | Troyer, William W. | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 30372 | TRP Operating LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2025 |
| 30373 | TRP-Ok Properties LLC | Norman, OK 73072 | Oil & Gas Operator | Sep 2025 |
| 30374 | Tru Operating LLC | Denton, TX 76201 | Oil & Gas Operator | Apr 2023 |
| 30375 | Truckers Disposal Inc | Skiatook, OK 74070 | Oil & Gas Operator | Oct 2025 |
| 30376 | True Oil Company | Casper, WY 82602 | Oil & Gas Operator | Aug 2003 |
| 30377 | True Oil Company LLC | Midland, TX 79701 | Oil & Gas Operator | Mar 2016 |
| 30378 | True Oil LLC | Casper, WY 82602 | Oil & Gas Operator | Nov 2025 |
| 30379 | True Performance Administrators LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Sep 2025 |
| 30380 | True Wolf Operating, LLC | Iowa Park, TX 76367 | Oil Operator | Dec 2025 |
| 30381 | Trueblood Resources, Inc. | Denver, CO 80222 | Oil & Gas Operator | Dec 2025 |
| 30382 | Truevine Gas Company | Ada, OK 74821-1422 | Oil & Gas Operator | Sep 2025 |
| 30383 | Truevine Operating LLC | Ada, OK 74821-1422 | Oil & Gas Operator | Oct 2025 |
| 30384 | Truluck Enterprises LLC | Wichita Falls, TX 76308-4454 | Oil & Gas Operator | Apr 2015 |
| 30385 | Trumart Oil Comp | | Oil Operator | May 1990 |
| 30386 | Trumart Oil Company | Ellis, KS 67637 | Oil Operator | Dec 2000 |
| 30387 | Trumbull Resources | Mineral Ridge, OH 44440 | Oil & Gas Operator | Dec 2016 |
| 30388 | Trump Energy | Austin, TX 78734 | Oil & Gas Operator | Mar 2008 |
| 30389 | Trumter Petroleum Corporation | Fort Worth, TX 76185 | Oil & Gas Operator | Aug 1998 |
| 30390 | Trunkline Gas Company | | Oil Operator | Mar 2008 |
| 30391 | Trust Oil Co. | Pine, CO 80470 | Oil & Gas Operator | Dec 2025 |
| 30392 | Trustar Operating Company Inc. | Austin, TX 78750 | Oil Operator | Dec 2025 |
| 30393 | Trutex Operating, LLC | Haltom City, TX 76117 | Oil & Gas Operator | Dec 2025 |
| 30394 | Tryall, Inc | Porter, TX 77365 | Oil & Gas Operator | Dec 2025 |
| 30395 | Tryco Exploration, LLC | Plano, TX 75026 | Oil & Gas Operator | Nov 2006 |
| 30396 | Tryma Operating | Borger, TX 79008 | Oil & Gas Operator | Dec 2025 |
| 30397 | Tryvest, Inc. | | Oil & Gas Operator | Sep 1991 |
| 30398 | TS & T Drilling, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2016 |
| 30399 | TS Leasing Operations Inc. | | Oil & Gas Operator | Nov 2025 |
| 30400 | TS Oil, LLC | Fort Worth, TX 76114 | Oil & Gas Operator | Dec 2025 |