| 29301 | Thomas Well Serv | | Oil Operator | Dec 1996 |
| 29302 | Thomas Well Service, Inc. | Easton, KS 66020 | Oil Operator | Mar 2025 |
| 29303 | Thomas, B. K. | Plano, TX 75093 | Oil & Gas Operator | Jan 2008 |
| 29304 | Thomas, Ellis W | | Oil & Gas Operator | Apr 2025 |
| 29305 | Thomas, M.A. Oil Associates | Nocona, TX 76255 | Oil & Gas Operator | Jul 2025 |
| 29306 | Thomas, Mike | Nixon, TX 78140 | Oil Operator | Jul 2025 |
| 29307 | Thomas, R. W. Inc. | Norman, OK 73070 | Oil & Gas Operator | Apr 2015 |
| 29308 | Thomas, T. N. Oil Company | Aiken, SC 29801 | Oil & Gas Operator | Jul 2025 |
| 29309 | Thomas, Vernon C. | Gardner, KS 66030 | Oil Operator | Jun 2015 |
| 29310 | Thomason Oil Com | | Oil Operator | Oct 1984 |
| 29311 | Thomason Petroleum, Inc | Hays, KS 67601 | Oil Operator | Mar 2025 |
| 29312 | Thomasson Petroleum Enterprises, Inc | Bremen, KY 42325 | Oil Operator | Dec 2018 |
| 29313 | Thompson & James Cleo Thompson, Jr.* & J Cleo | | Oil & Gas Operator | Jan 2010 |
| 29314 | Thompson Consumer Electronics | Indianapolis, IN 46290 | Oil & Gas Operator | Dec 1998 |
| 29315 | Thompson Drilling Company, Inc. | Independence, KS 67301 | Oil Operator | Sep 2001 |
| 29316 | Thompson Energy Resources LLC | | Oil & Gas Operator | May 2025 |
| 29317 | Thompson Engr & Prod Corp | Farmington, NM 87402 | Oil & Gas Operator | Apr 2019 |
| 29318 | Thompson Felton | Dewey, OK 74029 | Oil Operator | Jul 1999 |
| 29319 | Thompson Floyd Oil Co Inc | Boca Raton, FL 44328 | Oil & Gas Operator | Dec 1988 |
| 29320 | Thompson James R | Okmulgee, OK 74447 | Oil & Gas Operator | Apr 2025 |
| 29321 | Thompson Oil Co. | Corsicana, TX 75151 | Oil & Gas Operator | Apr 2025 |
| 29322 | Thompson Operating Co. | Abernathy, TX 79311 | Oil & Gas Operator | Aug 1994 |
| 29323 | Thompson Roy G | Bartlesville, OK 74006 | Oil & Gas Operator | Feb 1993 |
| 29324 | Thompson, Diana & Glenn | Fredonia, NY 14063 | Gas Operator | Dec 2024 |
| 29325 | Thompson, Don W | Herington, KS 67449 | Oil Operator | Jul 2003 |
| 29326 | Thompson, J C | Denver, CO 80237-2843 | Oil & Gas Operator | Jul 2005 |
| 29327 | Thompson, J. Cleo | Dallas, TX 75201 | Oil & Gas Operator | May 2024 |
| 29328 | Thompson, Joe L., Inc. | Oklahoma City, OK 73132 | Oil & Gas Operator | Oct 2005 |
| 29329 | Thompson, Kenneth L | Clarence Center, NY 14032 | Gas Operator | Dec 2024 |
| 29330 | Thompson, Larry N. Revocable Trust, Uid 5-20, 1997 | Elkhart, KS 67950 | Gas Operator | Sep 2006 |
| 29331 | Thompson, Mark P. | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 29332 | Thompson, Mark V. | South Dayton, NY 14138 | Gas Operator | Dec 2024 |
| 29333 | Thompson, Richard W. Inc. | Plano, TX 75024 | Oil & Gas Operator | Jul 2025 |
| 29334 | Thompson, Timothy G. | Delevan, NY 14042 | Gas Operator | Dec 2024 |
| 29335 | Thomsen Brothers Co., LLC | Lamont, KS 66855 | Oil Operator | Mar 2025 |
| 29336 | Thor Operating Company | Tyler, TX 75710 | Oil & Gas Operator | Dec 1995 |
| 29337 | Thor Production Co. | | Oil Operator | May 1997 |
| 29338 | Thor-Max Operating, Inc. | Plano, TX 75025 | Oil & Gas Operator | Jul 2025 |
| 29339 | Thornberry Family Partnership LTD. | New Waverly, TX 77358 | Oil Operator | Mar 2025 |
| 29340 | Thornberry Oilfield Service, Inc | Conroe, TX 77302 | Oil & Gas Operator | Aug 2003 |
| 29341 | Thorne Harold & | | Oil Operator | May 1994 |
| 29342 | Thornton & Brooks, Inc. | | Oil & Gas Operator | Oct 1990 |
| 29343 | Thornton Drilling Company Ptrnship | Eureka, KS 67045 | Oil Operator | Jun 2010 |
| 29344 | Thornton Minerals, LLC | Jacksboro, TX 76458 | Gas Operator | Jul 2025 |
| 29345 | Thornton Oil Co. | Abilene, TX 79603 | Oil & Gas Operator | Aug 2003 |
| 29346 | Thornton Operating Corporation | Fort Worth, TX 76162 | Oil & Gas Operator | Jul 2014 |
| 29347 | Thornton Page Natural Gas | | Oil & Gas Operator | Dec 2024 |
| 29348 | Thornton, Michael D. | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 1995 |
| 29349 | Thorofare Resources, Inc | | Oil & Gas Operator | May 2011 |
| 29350 | Thoroughbred Associates L.L.C. | Wichita, KS 67226 | Oil & Gas Operator | Mar 2025 |
| 29351 | Thorp Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Feb 2014 |
| 29352 | THP Operating LLC | Santa Anna, TX 76878 | Oil & Gas Operator | Jul 2025 |
| 29353 | THR Oil | Konawa, OK 74849 | Oil & Gas Operator | Jan 2014 |
| 29354 | Thrall Operating Company, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jul 2025 |
| 29355 | Thrall Texas Oil, LLC | | Oil & Gas Operator | Jan 2025 |
| 29356 | Thrash, Afton | Kilgore, TX 75663 | Oil & Gas Operator | Apr 1996 |
| 29357 | Three "N" One Production | | Oil & Gas Operator | Dec 2011 |
| 29358 | Three B Corporation | Fort Worth, TX 76179 | Gas Operator | Jun 2009 |
| 29359 | Three B Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 29360 | Three B, LP | Fort Worth, TX 76179 | Gas Operator | Jul 2025 |
| 29361 | Three Bros. Energy, Inc. | Ponca City, OK 74601 | Gas Operator | Dec 2013 |
| 29362 | Three C Exploration, LLC | Hebbronville, TX 78361 | Oil & Gas Operator | Jul 2025 |
| 29363 | Three D Oil Comp | | Oil & Gas Operator | Jan 1988 |
| 29364 | Three D Petroleum LLC | | Oil Operator | Dec 2024 |
| 29365 | Three D Submersible Pumps, Inc. | Heavener, OK 74937 | Oil & Gas Operator | Aug 2003 |
| 29366 | Three Forks Operating Co, LLC | Flatonia, TX 78941 | Oil & Gas Operator | Jul 2025 |
| 29367 | Three Forks Resources LLC | Wheat Ridge, CO 80033 | Oil & Gas Operator | Jul 2025 |
| 29368 | Three G Inc | Cody, WY 82414 | Oil & Gas Operator | Dec 1999 |
| 29369 | Three J Energy, Inc. | Seguin, TX 78155 | Oil & Gas Operator | Jul 2025 |
| 29370 | Three J Operating Company, Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 2025 |
| 29371 | Three J'S Petroleum, Inc. | Lubbock, TX 79423 | Oil & Gas Operator | Jul 2025 |
| 29372 | Three MG Family Inc | Holdenville, OK 74848 | Oil & Gas Operator | May 2013 |
| 29373 | Three Mile Joint Venture | Houston, TX 77027 | Oil & Gas Operator | Jul 1995 |
| 29374 | Three P Operating Co.,GP, L.L.C. | Newcastle, TX 76372 | Oil & Gas Operator | Jul 2025 |
| 29375 | Three P Operating Company | Newcastle, TX 76372 | Oil & Gas Operator | Nov 2007 |
| 29376 | Three R Oil Company | Post, TX 79356 | Oil & Gas Operator | Jul 2025 |
| 29377 | Three Rivers Exploration LLC | Olpe, KS 66865 | Oil Operator | Sep 2023 |
| 29378 | Three Rivers Oper Co III LLC | Austin, TX 78735 | Oil & Gas Operator | Nov 2017 |
| 29379 | Three Rivers Operating Co II LLC | Austin, TX 78735 | Oil & Gas Operator | Mar 2017 |
| 29380 | Three Rivers Operating Co LLC | Austin, TX 78735 | Oil & Gas Operator | Mar 2017 |
| 29381 | Three S & T Oil Co., Inc. | | Oil & Gas Operator | May 1985 |
| 29382 | Three Sands Investment Company | Waukomis, OK 73773 | Oil & Gas Operator | Apr 2025 |
| 29383 | Three Sands Oil Inc | Perry, OK 73077 | Oil & Gas Operator | May 2023 |
| 29384 | Three Sisters Investments, LTD | | Oil & Gas Operator | Oct 1989 |
| 29385 | Three Sisters LLC | Cheyenne, WY 82001 | Oil Operator | Jun 2025 |
| 29386 | Three Sisters Petroleum, Inc. | Oil City, LA 71061 | Oil & Gas Operator | Jan 2025 |
| 29387 | Three Span Oil & Gas, Inc. | Midland, TX 79710 | Oil & Gas Operator | Jul 2025 |
| 29388 | Three Star Energy Inc | | Gas Operator | Nov 1997 |
| 29389 | Three States Natural Gas | | Oil & Gas Operator | Mar 1976 |
| 29390 | Three Summits Operating LLC | Grapevine, TX 76051 | Oil & Gas Operator | Jul 2025 |
| 29391 | Three-B Oil Company, The | Monahans, TX 79756 | Oil & Gas Operator | Jul 2025 |
| 29392 | Three-C Oil And Gas | Hebbronville, TX 78361 | Oil & Gas Operator | Jul 2025 |
| 29393 | Three-C Production Company | Temple, TX 76502 | Oil Operator | Jul 2025 |
| 29394 | Three-D Resources, Inc. | Liberal, KS 67905 | Oil & Gas Operator | Mar 2025 |
| 29395 | Three-N-One | | Oil Operator | Oct 2020 |
| 29396 | Threet David Allen | Sand Springs, OK 74063-4035 | Oil & Gas Operator | Apr 2025 |
| 29397 | Threeway Drilling Company | Midland, TX 79701 | Oil & Gas Operator | Jul 2025 |
| 29398 | Thresher Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Jul 2025 |
| 29399 | Threshold Development Company | Fort Worth, TX 76109 | Oil & Gas Operator | Aug 2016 |
| 29400 | Threshold Exploration, Inc. | College Sta, TX 77842 | Oil & Gas Operator | Oct 2015 |