| 4301 | Thunder Oil & Gas, LLC | Ardmore, OK 73402 | Oil & Gas Operator | Apr 2025 |
| 4302 | Thunderbird Dril | | Oil & Gas Operator | Nov 1995 |
| 4303 | Thunderbird Drilling, Inc. | Wichita, KS 67207 | Oil Operator | Oct 2008 |
| 4304 | Thunderbird Oil | | Oil Operator | Oct 1991 |
| 4305 | Thunderbolt Construction Corp. | Louisburg, KS 66053 | Oil Operator | Oct 2024 |
| 4306 | Thurber, Gueydon | Horseshoe Bay, TX 78657 | Oil Operator | May 2001 |
| 4307 | Tidal Wave Energy, Inc. | New Castle, PA 16105 | Oil & Gas Operator | Jun 2022 |
| 4308 | Tidd, Frankie | Neosho Falls, KS 66758 | Oil Operator | Nov 1996 |
| 4309 | Tidd, Gary D. | Piqua, KS 66761 | Oil Operator | May 2016 |
| 4310 | Timberlake Energy Corporation | Cypress, TX 77429 | Oil Operator | Nov 2013 |
| 4311 | Timberline Oil & | | Oil & Gas Operator | Jul 1995 |
| 4312 | Timberline Oil & Gas | | Oil & Gas Operator | Sep 1995 |
| 4313 | Timberline Oil & Gas Corporation | Rapid City, SD 57702 | Oil & Gas Operator | Mar 2025 |
| 4314 | Tinsmon, J. Corry | Wichita, KS 67226 | Oil Operator | Dec 2009 |
| 4315 | Titan Energy Corp | Thomasville, AL 36784 | Oil & Gas Operator | Aug 2009 |
| 4316 | TK Electric & Oilfield Service, LLC | Plainville, KS 67663 | Oil Operator | Mar 2025 |
| 4317 | Tko Investments, Inc. | Dodge City, KS 67801 | Oil & Gas Operator | Mar 2025 |
| 4318 | TM Enterprises, Inc. | Wichita, KS 67278 | Oil Operator | Jan 2025 |
| 4319 | TMM Investments LTD. | Tyler, TX 75703 | Oil Operator | Dec 2024 |
| 4320 | TNT Energy LLC | Paola, KS 66071 | Oil Operator | Dec 2009 |
| 4321 | TNT Well Servicing, Inc. | Pratt, KS 67124 | Oil Operator | Jun 2006 |
| 4322 | Todd C H Incorpo | | Oil & Gas Operator | Feb 1994 |
| 4323 | Todd, Marc E | Wichita, KS 67203 | Oil Operator | Mar 2025 |
| 4324 | Toil Inc. | Neodesha, KS 66757 | Oil & Gas Operator | Mar 2025 |
| 4325 | Tom Brown Construction, Inc. | Astor, FL 32102 | Oil Operator | Mar 2025 |
| 4326 | Tom'S Oil | | Oil Operator | Feb 2025 |
| 4327 | Tomco Oil Incorp | | Oil Operator | Nov 1989 |
| 4328 | Tomco Oil, Inc. | Atlanta, KS 67008 | Oil & Gas Operator | Mar 2025 |
| 4329 | Tomkat Limited | | Oil & Gas Operator | Jul 1995 |
| 4330 | Tomkat, LTD. | Wichita, KS 67278 | Oil & Gas Operator | Oct 2009 |
| 4331 | Tomlinson Oil Co. Inc. | Great Bend, KS 67530 | Oil & Gas Operator | Jan 2025 |
| 4332 | Tomlinson Operating, LLC | Ketchum, ID 83340 | Oil & Gas Operator | Oct 2014 |
| 4333 | Tomlinson, Sid | Hays, KS 67601 | Oil & Gas Operator | Sep 2002 |
| 4334 | Tonda Oil Company | Independence, KS 67301 | Oil & Gas Operator | Jul 1996 |
| 4335 | Tontol, LLC | Scottsdale, AZ 85250 | Oil Operator | Feb 2025 |
| 4336 | Topat Oil Corporation | Midland, TX 79701 | Oil & Gas Operator | Sep 2017 |
| 4337 | Toshic Dynamics, LLC | Scottsdale, AZ 85251 | Oil Operator | Nov 2006 |
| 4338 | Toto Energy, LLC | Spring, TX 77380 | Oil & Gas Operator | Dec 2019 |
| 4339 | Totten Resources | | Oil Operator | Sep 2007 |
| 4340 | Touchstone Trading & Transportation Inc | | Oil Operator | Mar 2025 |
| 4341 | Tower Oil & Gas Company, Inc. | Englewood, CO 80111 | Oil & Gas Operator | May 2001 |
| 4342 | Town Oil Company | Paola, KS 66071 | Oil & Gas Operator | Feb 2025 |
| 4343 | Townes, Don | Clarksville, TX 75426 | Oil & Gas Operator | Jul 2025 |
| 4344 | TR Crude LLC | Independence, KS 67301 | Oil Operator | Aug 2024 |
| 4345 | Trans Pacific Oi | | Oil & Gas Operator | May 1995 |
| 4346 | Trans Pacific Oil Corporation | Wichita, KS 67202 | Oil & Gas Operator | May 2025 |
| 4347 | Trans Resource D | | Oil Operator | May 1991 |
| 4348 | Trans-Western Operating Company | Golden, CO 80402 | Oil Operator | Mar 2025 |
| 4349 | Transamerica Oil | | Oil & Gas Operator | Sep 1992 |
| 4350 | Transamerica Oil Corporation | Hutchinson, KS 67504 | Gas Operator | Mar 2025 |
| 4351 | Trapp Oil Oper - | | Oil Operator | Aug 1989 |
| 4352 | Trees Oil Compan | | Oil Operator | Jan 1995 |
| 4353 | Trek Aec, LLC | Wichita, KS 67202 | Oil & Gas Operator | Mar 2025 |
| 4354 | Trek Resources, Inc. | Dallas, TX 75207 | Oil & Gas Operator | Jul 2025 |
| 4355 | Tremo Corporation | Toronto, KS 66777 | Oil Operator | May 1998 |
| 4356 | Trepco Production Company, Inc. | Yukon, OK 73099 | Oil & Gas Operator | Apr 2025 |
| 4357 | Tri United, Inc | Hays, KS 67601 | Oil Operator | Mar 2025 |
| 4358 | Tri-J Tubulars, Inc. | Wichita, KS 67202 | Oil Operator | Aug 1996 |
| 4359 | Tri-L Oil Co. | | Oil Operator | Sep 2015 |
| 4360 | Trich Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Jan 2025 |
| 4361 | Trigg Exploratio | | Gas Operator | Feb 1992 |
| 4362 | Triken Oil & Gas | | Oil & Gas Operator | Feb 1995 |
| 4363 | Trimble & Maclaskey Oil LLC | Gridley, KS 66852 | Oil Operator | Mar 2025 |
| 4364 | Trimble, IVal L. | Gridley, KS 66852 | Oil Operator | Dec 2019 |
| 4365 | Trinity Bay Oil & Gas, Inc. | Lubbock, TX 79416 | Oil & Gas Operator | Jul 2025 |
| 4366 | Trinity Resources, Inc. | Houston, TX 77277 | Oil & Gas Operator | May 2020 |
| 4367 | Triple "S" Well Service, Inc. | Eureka, KS 67045 | Oil Operator | Feb 2025 |
| 4368 | Triple 'H' Oil O | | Oil Operator | Apr 1992 |
| 4369 | Triple - I, Inc. | Kansas City, MO 64114 | Gas Operator | Oct 2000 |
| 4370 | Triple B Crude, LLC | Colony, KS 66015 | Oil Operator | Mar 2025 |
| 4371 | Triple C Petroleum LLC | Colony, KS 66015 | Oil Operator | Nov 2019 |
| 4372 | Triple Crown Operating LLC | Tulsa, OK 74114 | Oil Operator | Mar 2025 |
| 4373 | Triple E Drillin | | Oil Operator | Jun 1992 |
| 4374 | Triple E Oil | Sterling, KS 67579 | Oil & Gas Operator | Mar 1999 |
| 4375 | Triple G Oilfiel | | Oil & Gas Operator | Dec 1985 |
| 4376 | Triple J L.L.C. | Coffeyville, KS 67336 | Oil Operator | Mar 1999 |
| 4377 | Triple J Prod In | | Oil Operator | Sep 1989 |
| 4378 | Triple K | | Oil Operator | Jun 2007 |
| 4379 | Triple S Construction | Blue Mound, KS 66010 | Gas Operator | Mar 2025 |
| 4380 | Triple S Well Se | | Oil Operator | Dec 1996 |
| 4381 | Triple Seven, Inc. | Oklahoma City, OK 73132 | Oil & Gas Operator | Nov 1997 |
| 4382 | Triple T Oil, LLC | Louisburg, KS 66053 | Oil Operator | Dec 2024 |
| 4383 | Triple T Pipelines, Inc. | Frontenac, KS 66763 | Oil & Gas Operator | Sep 2023 |
| 4384 | Triple T Resources, LP | Dallas, TX 75205 | Oil & Gas Operator | Mar 2025 |
| 4385 | Triple-T Pipelin | | Oil & Gas Operator | Oct 1995 |
| 4386 | Tripower Resources LLC | Ardmore, OK 73402 | Oil & Gas Operator | Jul 2025 |
| 4387 | Tripower Resources, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2020 |
| 4388 | Tritex Resc Inco | | Oil Operator | Dec 1985 |
| 4389 | Triton Oil & Gas Corp. | Houston, TX 77002 | Oil & Gas Operator | Nov 2014 |
| 4390 | Triunited Investors, LLC | Monte Sereno, CA 95030 | Oil Operator | May 2012 |
| 4391 | Troy Jaco, Inc. | Sherman, TX 75091 | Oil Operator | Dec 2018 |
| 4392 | Troy Resources C | | Oil Operator | Jun 1990 |
| 4393 | Troyer, Wayne A. | Galva, KS 67443 | Oil Operator | Jun 1997 |
| 4394 | True Oil Company | Casper, WY 82602 | Oil & Gas Operator | Aug 2003 |
| 4395 | Trumart Oil Comp | | Oil Operator | May 1990 |
| 4396 | Trumart Oil Company | Ellis, KS 67637 | Oil Operator | Dec 2000 |
| 4397 | Tubbs Patrick | Neodesha, KS 66757 | Oil Operator | Sep 2008 |
| 4398 | Tucker, Carl H., Jr. | Independence, KS 67301 | Oil Operator | Jul 1996 |
| 4399 | Tucker, Stephen A. | Independence, KS 67301 | Oil Operator | Feb 2009 |
| 4400 | Turnco Drilling, Inc. | Portland, OR 97208 | Oil & Gas Operator | Dec 2009 |