| 6101 | Torch Operating Company | Houston, TX 77010 | Oil & Gas Operator | Mar 2015 |
| 6102 | Tornado Energy Corporation | Sugarland, TX 77479-7124 | Oil & Gas Operator | Nov 2014 |
| 6103 | Totah Production | Duncan, OK 73533-9406 | Oil Operator | Mar 2015 |
| 6104 | Total Minatome Corporation | Houston, TX 77210 | Oil & Gas Operator | Dec 1998 |
| 6105 | Totalfinaelf E&P USA Inc | Houston, TX 77024 | Oil & Gas Operator | Jul 2007 |
| 6106 | Tower Energy Corporation | Sapulpa, OK 74067-0837 | Oil & Gas Operator | Mar 2015 |
| 6107 | Tower Oil & Gas Company Inc | Englewood, CO 80111 | Oil & Gas Operator | May 2001 |
| 6108 | Tower Wanda L Nations | Oklahoma City, OK 73123 | Oil & Gas Operator | Aug 1996 |
| 6109 | Townsend Operating Company | | Oil & Gas Operator | Jan 2008 |
| 6110 | Townsend V E | Ada, OK 74820 | Oil & Gas Operator | May 2013 |
| 6111 | Tpet, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Mar 2008 |
| 6112 | Trace Oil & Gas LP | Cement, OK 73017 | Oil & Gas Operator | Oct 2025 |
| 6113 | Trace Operating Co & R Hudson | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2013 |
| 6114 | Tracer Energy, Inc. | Graham, TX 76450 | Oil & Gas Operator | Nov 1998 |
| 6115 | Trachtenberg Daniel S | Houston, TX 77071 | Oil Operator | Oct 2025 |
| 6116 | Trackstar Energies LLC | Colorado Springs, CO 80919-3233 | Oil Operator | Mar 2023 |
| 6117 | Tracy & Associates Inc | Ada, OK 74820 | Oil & Gas Operator | Apr 2014 |
| 6118 | Trafalgar House Oil & Gas Inc | Houston, TX 77002-7346 | Oil & Gas Operator | Jan 1992 |
| 6119 | Trail Ridge Energy Partners, LLC | Grapevine, TX 76051 | Oil & Gas Operator | Nov 2025 |
| 6120 | Trailblazer Energy LLC | Plano, TX 75075 | Oil & Gas Operator | Nov 2025 |
| 6121 | Trailhead Exploration, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2025 |
| 6122 | Trans Atlantic Resource Corp | Tulsa, OK 74136-5709 | Oil & Gas Operator | Nov 1998 |
| 6123 | Trans Pacific Oil Corporation | Wichita, KS 67202 | Oil & Gas Operator | Nov 2025 |
| 6124 | Trans Terra Corp Int'L | Amarillo, TX 79159-0370 | Oil & Gas Operator | Jul 1993 |
| 6125 | Trans-Western Exploration Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 1993 |
| 6126 | Transamerican Energy LTD | Dallas, TX 75231-1075 | Oil & Gas Operator | Apr 2014 |
| 6127 | Transcoastal Operating LLC | Dallas, TX 75252-5646 | Oil & Gas Operator | Mar 2015 |
| 6128 | Transcontinental Company | Haltom City, TX 76148-4122 | Oil & Gas Operator | Oct 2025 |
| 6129 | Transfuel Resources Co | Houston, TX 77215 | Oil & Gas Operator | Aug 2013 |
| 6130 | Transoil, Inc. | Oklahoma City, OK 73129 | Oil & Gas Operator | Dec 2025 |
| 6131 | Transok LLC | Oklahoma City, OK 73124-0300 | Oil & Gas Operator | Jul 2020 |
| 6132 | Transpetco Transport Company | Shreveport, LA 71101-5370 | Oil Operator | Jun 2008 |
| 6133 | Travco Well Servicing LLC | Okmulgee, OK 74447 | Oil Operator | Oct 2025 |
| 6134 | Travis Peak Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2025 |
| 6135 | Traynor Oil & Gas Inc | Claremont, CA 91711-2837 | Oil & Gas Operator | Jan 2024 |
| 6136 | Treat Howard | Okmulgee, OK 74447 | Oil & Gas Operator | Oct 2014 |
| 6137 | Trek Resources, Inc. | Dallas, TX 75207 | Oil & Gas Operator | Dec 2025 |
| 6138 | Trenchco Inc | Shawnee, OK 74802-3577 | Oil & Gas Operator | Apr 2015 |
| 6139 | Trend Gas & Oil Inc | Jenks, OK 74037 | Oil & Gas Operator | Dec 2000 |
| 6140 | Trenon Oil & Gas Inc | Oklahoma City, OK 73112-4279 | Oil & Gas Operator | Sep 1996 |
| 6141 | Trepco Production Company Inc | Yukon, OK 73099 | Oil & Gas Operator | Oct 2025 |
| 6142 | Trepel Petroleum Exploration & | | Oil & Gas Operator | Apr 2014 |
| 6143 | Tresco Energy LLC | Enid, OK 73703-3002 | Oil & Gas Operator | Nov 2025 |
| 6144 | Trey Resources Inc. | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 6145 | Tri Production Inc | Healdton, OK 73438 | Oil & Gas Operator | Oct 2025 |
| 6146 | Tri-C Resources, LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2025 |
| 6147 | Tri-City Energy Inc | Wilson, OK 73463-0196 | Oil Operator | Mar 2014 |
| 6148 | Tri-Ex Petroleum, L.P. | Amarillo, TX 79101 | Oil & Gas Operator | Jan 2013 |
| 6149 | Tri-State Pipeline Service Inc | Ninnekah, OK 73067-0189 | Oil & Gas Operator | Mar 2011 |
| 6150 | Tri-Unity Inc | Sand Springs, OK 74063-4401 | Oil & Gas Operator | Jun 2009 |
| 6151 | Triad Energy Corp Of Texas | Houston, TX 77057-2696 | Oil & Gas Operator | Sep 2014 |
| 6152 | Triad Energy, Inc. | Oklahoma City, OK 73105-1401 | Oil & Gas Operator | Nov 2025 |
| 6153 | Triad Resources Inc | Spring, TX 77389 | Oil & Gas Operator | Dec 2020 |
| 6154 | Triangle Interprises Inc | Justin, TX 76247-0598 | Oil & Gas Operator | Jun 2015 |
| 6155 | Triangle Three Resources L.L.C. | Dallas, TX 75240 | Oil & Gas Operator | Oct 2024 |
| 6156 | Tridon Oil Inc | Lafayette, LA 70505-2305 | Gas Operator | Dec 2013 |
| 6157 | Triexco Inc | Tulsa, OK 74119 | Oil & Gas Operator | Dec 2012 |
| 6158 | Trigg Drilling Company Inc | Oklahoma City, OK 73105 | Oil & Gas Operator | Jan 2013 |
| 6159 | Trigger'S Disposal LLC | Sayre, OK 73662-2913 | Oil Operator | Sep 2022 |
| 6160 | Trilliant Energy Texas LTD | Tulsa, OK 74135-0767 | Oil & Gas Operator | Jun 2020 |
| 6161 | Trilogy Natural Resources LLC | Edmond, OK 73025 | Oil Operator | Oct 2025 |
| 6162 | Trineha Inc | Ardmore, OK 73402-2478 | Oil & Gas Operator | Jun 2009 |
| 6163 | Trinity Bay Oil & Gas, Inc. | Lubbock, TX 79416 | Oil & Gas Operator | Dec 2025 |
| 6164 | Trinity Oil & Gas Inc | Pauls Valley, OK 73075 | Oil Operator | Oct 2025 |
| 6165 | Trinity Oil & Gas Producers LLC | Allen, OK 74825 | Oil & Gas Operator | Nov 2025 |
| 6166 | Trinity Operating (Usg), LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2025 |
| 6167 | Trinity Resources, Inc. | Houston, TX 77277 | Oil & Gas Operator | May 2020 |
| 6168 | Trio Consulting & MGMT LLC | Wichita Falls, TX 76301 | Oil Operator | Oct 2025 |
| 6169 | Trio Operating Company, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2006 |
| 6170 | Triple "S" Gas, Inc. | Louisville, KY 40255 | Oil & Gas Operator | Dec 2025 |
| 6171 | Triple "S" Resources Inc | Sapulpa, OK 74066 | Oil & Gas Operator | Jun 1995 |
| 6172 | Triple 7 Energy Company Inc | Prague, OK 74864 | Oil Operator | Feb 1997 |
| 6173 | Triple B Resources | Barnsdall, OK 74002-9759 | Oil & Gas Operator | May 2014 |
| 6174 | Triple C Properties Inc | Seminole, OK 74818 | Oil & Gas Operator | Nov 2025 |
| 6175 | Triple Diamond Energy Operating LLC | Dallas, TX 75254-8352 | Oil & Gas Operator | Jun 2014 |
| 6176 | Triple G Well Service, Inc. | Muenster, TX 76252 | Oil & Gas Operator | Dec 2025 |
| 6177 | Triple H Operating | Tryon, OK 74875-6235 | Oil Operator | Apr 2022 |
| 6178 | Triple L Management Co Inc | Edmond, OK 73025-2908 | Oil & Gas Operator | Apr 2018 |
| 6179 | Triple S Drilling Company | Leonard, OK 74043 | Oil & Gas Operator | Feb 2012 |
| 6180 | Triple W Oil Inc | Chandler, OK 74834-0546 | Oil & Gas Operator | May 2013 |
| 6181 | Tripledee Drilling Co Inc | Ardmore, OK 73402-1888 | Oil & Gas Operator | Dec 2015 |
| 6182 | Tripledee Operating Company LLC | Ardmore, OK 73401 | Oil & Gas Operator | Nov 2022 |
| 6183 | Triplett Larry W | Oklahoma City, OK 73112-5325 | Oil & Gas Operator | Mar 2015 |
| 6184 | Tripower Resources LLC | Ardmore, OK 73402 | Oil & Gas Operator | Dec 2025 |
| 6185 | Tripower Resources, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2020 |
| 6186 | Trissell Alva Lee | Willow, OK 73673-9602 | Oil Operator | Apr 2020 |
| 6187 | Tritex Production Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Jan 2013 |
| 6188 | Triton Oil & Gas Corp. | Houston, TX 77002 | Oil & Gas Operator | Nov 2014 |
| 6189 | Triumph Energy Inc | Lafayette, LA 70505 | Oil & Gas Operator | Nov 2015 |
| 6190 | Triumph Energy Partners LLC | Oklahoma City, OK 73102-5804 | Oil & Gas Operator | Oct 2025 |
| 6191 | Triumph Resources Inc | Oklahoma City, OK 73114 | Oil & Gas Operator | Nov 2004 |
| 6192 | Trivestco Energy Company | Ponca City, OK 74601 | Oil & Gas Operator | Nov 2025 |
| 6193 | Trojan Resources LLC | Sapulpa, OK 74066-8095 | Oil Operator | Oct 2025 |
| 6194 | Trout Disposal Well Inc | Hammon, OK 73650 | Oil & Gas Operator | Jan 2025 |
| 6195 | Troy Energy Operating LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Nov 2025 |
| 6196 | Troyer Howard E | Tulsa, OK 74133-8016 | Oil & Gas Operator | Dec 2014 |
| 6197 | TRP Operating LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2025 |
| 6198 | TRP-Ok Properties LLC | Norman, OK 73072 | Oil & Gas Operator | Nov 2025 |
| 6199 | Tru Operating LLC | Denton, TX 76201 | Oil & Gas Operator | Apr 2023 |
| 6200 | Truckers Disposal Inc | Skiatook, OK 74070 | Oil & Gas Operator | Nov 2025 |