| 30301 | Tucker, Carl H., Jr. | Independence, KS 67301 | Oil Operator | Jul 1996 |
| 30302 | Tucker, Gene | | Oil & Gas Operator | Dec 2011 |
| 30303 | Tucker, Stephen A. | Independence, KS 67301 | Oil Operator | Feb 2009 |
| 30304 | Tucker, Timothy R | | Oil Operator | Feb 2025 |
| 30305 | Tucson Oil & Gas Inc | | Oil & Gas Operator | Aug 1994 |
| 30306 | Tudex Petroleum Inc | | Oil & Gas Operator | Sep 2019 |
| 30307 | Tug Fork Development | Catlettsburg, KY 41129 | Gas Operator | Dec 2021 |
| 30308 | Tug Hill Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2021 |
| 30309 | Tug Oil & Gas, L.L.C. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2025 |
| 30310 | Tularosa Operating Company | Kerrville, TX 78029 | Oil & Gas Operator | Mar 2024 |
| 30311 | Tuleta Energy Partners, LLC | Norman, OK 73072 | Oil & Gas Operator | Jun 2025 |
| 30312 | Tulip Industries, Inc. | | Oil & Gas Operator | Feb 2024 |
| 30313 | Tully Drilling Company | | Gas Operator | Dec 2021 |
| 30314 | Tulsa Energy Inc | Tulsa, OK 74133 | Oil & Gas Operator | May 2013 |
| 30315 | Tulsa Energy Partners LLC | Tulsa, OK 74103-4461 | Oil & Gas Operator | Apr 2025 |
| 30316 | Tulsa Minerals Inc | Tulsa, OK 74136-1045 | Oil & Gas Operator | May 2013 |
| 30317 | Tulum Corporation | Oklahoma City, OK 73101-0125 | Oil & Gas Operator | Jan 2025 |
| 30318 | Tumble Weed Production Co. | Borger, TX 79008 | Oil & Gas Operator | Dec 1994 |
| 30319 | Tumbleweed Energy Limited | Midland, TX 79704 | Oil & Gas Operator | Dec 2022 |
| 30320 | Tundra Energy | | Oil Operator | Jan 2025 |
| 30321 | Tundra Operating LLC | Spring, TX 77386 | Oil Operator | May 2017 |
| 30322 | Turkey Run LLC | Arcade, NY 14009 | Gas Operator | Dec 2023 |
| 30323 | Turm Oil Inc | Butler, PA 16002-0471 | Oil & Gas Operator | Dec 2024 |
| 30324 | Turnbow Drilling Co. | Holliday, TX 76366 | Oil & Gas Operator | Jun 2025 |
| 30325 | Turnbow John R Company | Tulsa, OK 74120-2420 | Oil & Gas Operator | Aug 2006 |
| 30326 | Turnbull Gas, LLC | North Collins, NY 14111 | Gas Operator | Dec 2023 |
| 30327 | Turnco Drilling, Inc. | Portland, OR 97208 | Oil & Gas Operator | Dec 2009 |
| 30328 | Turner Jeff | Marlow, OK 73055 | Oil & Gas Operator | Apr 2007 |
| 30329 | Turner John O | Drumright, OK 74030-1216 | Oil & Gas Operator | Feb 1998 |
| 30330 | Turner Oil Company | Yale, OK 74085-0234 | Oil & Gas Operator | Nov 2014 |
| 30331 | Turner Petroleum Corp And Patrick Petroleum Corp | | Oil & Gas Operator | Mar 1991 |
| 30332 | Turner Production | Big Lake, TX 76932 | Oil & Gas Operator | Jun 2025 |
| 30333 | Turner Production Co | Dallas, TX 75206 | Oil & Gas Operator | Nov 2023 |
| 30334 | Turner Randall L | Duncan, OK 73533-4826 | Oil Operator | Feb 2025 |
| 30335 | Turner Resources Inc | Hennessey, OK 73742 | Oil & Gas Operator | Mar 2025 |
| 30336 | Turner Smith & Associates | Englewood, CO 80111 | Oil & Gas Operator | May 1994 |
| 30337 | Turner, D. Ann Garrett, Est. Of | Big Spring, TX 79721 | Oil & Gas Operator | Jan 1999 |
| 30338 | Turner, Greg | Cross Plains, TX 76443 | Oil & Gas Operator | Jun 2025 |
| 30339 | Turner, Jack L | El Dorado, AR 71730 | Oil Operator | Nov 2023 |
| 30340 | Turner, M. O. | San Antonio, TX 78278 | Oil & Gas Operator | Apr 2003 |
| 30341 | Turner, Randy | Olney, TX 76374 | Oil & Gas Operator | Jan 2005 |
| 30342 | Turning Point Oil, Inc. | Eastland, TX 76448 | Oil & Gas Operator | Jan 2021 |
| 30343 | Turnkey E&P Corporation | | Oil & Gas Operator | Dec 2010 |
| 30344 | Turntable Energy Inc | Ponca City, OK 74604 | Oil & Gas Operator | Jan 2025 |
| 30345 | Turpin Ledon Production | Ada, OK 74820-0549 | Oil Operator | Mar 2025 |
| 30346 | Turquoise Bay Corporation | Odessa, TX 79760 | Oil & Gas Operator | Dec 2018 |
| 30347 | Turrentine Oil & Gas, Inc. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Oct 2019 |
| 30348 | Turrentine Oil And Gas | Levelland, TX 79336 | Oil & Gas Operator | Feb 1996 |
| 30349 | Turtle Mountain Gas & Oil, Inc. | | Oil & Gas Operator | Oct 2006 |
| 30350 | Tuscany Deli & Meats, Inc. | Fredonia, NY 14063 | Gas Operator | Dec 2023 |
| 30351 | Tuscany Gas Limited Liability Company | | Gas Operator | Dec 2021 |
| 30352 | Tuscany Operating LLC | Oklahoma City, OK 73106 | Oil & Gas Operator | Sep 2014 |
| 30353 | Tuscola Energy Inc | | Oil & Gas Operator | Apr 2025 |
| 30354 | Tuskar (Texas), Inc. | Nichols Hill, OK 73116 | Oil & Gas Operator | Jan 2016 |
| 30355 | Tussel Clarence Jr | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2019 |
| 30356 | Tutcher, Dan C. | Houston, TX 77002 | Oil Operator | Dec 2004 |
| 30357 | Tuthill & Barbee | Amarillo, TX 79101 | Oil & Gas Operator | Nov 1994 |
| 30358 | Tuthill S Keith & Bill Barbee | Amarillo, TX 79101-1427 | Oil & Gas Operator | Dec 2004 |
| 30359 | Tuway Oil, Inc | | Oil & Gas Operator | Jun 2006 |
| 30360 | TW Phillips Gas Supply Corp | Butler, PA 16001-4904 | Oil & Gas Operator | Dec 2011 |
| 30361 | TWC Oil Company | | Oil Operator | Jan 2025 |
| 30362 | Twenty First Century Res Inc | Lajolla, CA 92037-7044 | Oil & Gas Operator | Mar 2015 |
| 30363 | Twenty/Twenty Oil & Gas Inc | Hennessey, OK 73742 | Oil & Gas Operator | Apr 2025 |
| 30364 | Twilco Operating LLC | Holliday, TX 76366 | Oil Operator | Jun 2025 |
| 30365 | Twilight Energy LLC | Fort Worth, TX 76185 | Oil & Gas Operator | Jun 2025 |
| 30366 | Twin Arrow Inc | Rangely, CO 81648 | Oil & Gas Operator | Sep 2009 |
| 30367 | Twin City Gas | | Gas Operator | Nov 1997 |
| 30368 | Twin Eagle Petro | | Oil Operator | Aug 1990 |
| 30369 | Twin Eagle Petroleum Corp | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2002 |
| 30370 | Twin M, Inc. | Kingman, KS 67068 | Oil & Gas Operator | Feb 2025 |
| 30371 | Twin Oaks Construction Company | Irving, TX 75063 | Oil & Gas Operator | Jun 2025 |
| 30372 | Twin Oil Partnership LLC | | Oil Operator | Dec 2024 |
| 30373 | Twin Star Petrol | | Oil & Gas Operator | Jan 1989 |
| 30374 | Twin Star Petroleum, Inc. | Tulsa, OK 74146 | Gas Operator | Feb 1998 |
| 30375 | Twiner Oil & Gas Corporation | | Oil & Gas Operator | Oct 1988 |
| 30376 | Twinoaks Oil & Gas Co | Newark, OH 43058-0764-0764 | Oil & Gas Operator | Dec 2024 |
| 30377 | Twinoco | Caney, KS 67333 | Oil Operator | Nov 1996 |
| 30378 | Twins Oil Co. | Monahans, TX 79756 | Oil & Gas Operator | Jun 2025 |
| 30379 | Twisted Oak Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Apr 2025 |
| 30380 | Twisted Resources Inc | Blanchard, OK 73010-8463 | Oil & Gas Operator | Apr 2025 |
| 30381 | TWM Production Co., A General Partnership | Chanute, KS 66720 | Oil Operator | Dec 2024 |
| 30382 | Two Bay Petroleum | | Oil & Gas Operator | Dec 2010 |
| 30383 | Two Bayous, Inc. | | Oil & Gas Operator | Dec 2024 |
| 30384 | Two Bit Operating Company LLC | Fort Worth, TX 76110 | Oil & Gas Operator | Jun 2025 |
| 30385 | Two Black Bears Oil, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2003 |
| 30386 | Two Gems Company | McAlester, OK 74502-1996 | Oil & Gas Operator | Mar 2025 |
| 30387 | Two Oaks Operating Company, LLC. | Flower Mound, TX 75028 | Oil & Gas Operator | Mar 2008 |
| 30388 | Two P Partners, LLC | Denver, CO 80226 | Oil & Gas Operator | Jun 2025 |
| 30389 | Two Pines | Drumright, OK 74030-5502 | Oil & Gas Operator | Feb 2012 |
| 30390 | Twojo, Inc. | Longview, TX 75601 | Oil & Gas Operator | Nov 1996 |
| 30391 | TX Heat Of The Permian Basin Inc | Odessa, TX 79768 | Oil & Gas Operator | Dec 2021 |
| 30392 | TX Lone Star Operating Co, LLC | Sulphur SPGS, TX 75483 | Oil & Gas Operator | Jun 2025 |
| 30393 | TX Petroleum Company | Corpus Chrsti, TX 78412 | Oil & Gas Operator | Apr 1996 |
| 30394 | Txco Resources Inc. | San Antonio, TX 78280 | Oil & Gas Operator | Jun 2025 |
| 30395 | Txla Energy, Inc. | Houston, TX 77018 | Oil & Gas Operator | Jun 2025 |
| 30396 | Txo Prod Corp.-Arkla Expl. Co. | | Oil & Gas Operator | Dec 1990 |
| 30397 | Txo Production Corp. | Ganado, TX 77962 | Oil & Gas Operator | Aug 2022 |
| 30398 | Txo Production Corp/Amh O&G Co | | Oil & Gas Operator | Dec 1990 |
| 30399 | Txok Energy Resources Company | Tulsa, OK 74172-0140 | Oil & Gas Operator | Feb 2017 |
| 30400 | Txok Texas Energy Resources,L.P. | Dallas, TX 75251 | Oil & Gas Operator | Apr 2008 |