| 5901 | Toland & Johnston Inc | Edmond, OK 73034 | Oil & Gas Operator | Feb 2026 |
| 5902 | Tolson Gary | Seminole, OK 74868-3267 | Oil & Gas Operator | Jan 2026 |
| 5903 | Toma Explorations LLC | Shawnee, OK 74801-0512 | Oil & Gas Operator | Feb 2025 |
| 5904 | Tomar Petroleum Inc | Dallas, TX 75225 | Oil & Gas Operator | Mar 2001 |
| 5905 | Tomlinson Oil Co Inc | Great Bend, KS 67530 | Oil & Gas Operator | May 2025 |
| 5906 | Tomlinson W E | Comanche, OK 73529-9561 | Oil Operator | Aug 1996 |
| 5907 | Tomorrows Energy Exploration Inc | Okmulgee, OK 74447 | Oil & Gas Operator | Jan 2026 |
| 5908 | Tonkawa Saltwater Disposal LLC | Woodward, OK 73801 | Oil Operator | Dec 2015 |
| 5909 | Tonner Petroleum LLC | Dallas, TX 75248-3326 | Oil Operator | Feb 2011 |
| 5910 | Tony Oil Company | | Oil & Gas Operator | Dec 2025 |
| 5911 | Tony'S Disposal Service Inc | Yale, OK 74085 | Oil Operator | Aug 1997 |
| 5912 | Tonys Crude Oil Reclaiming Plant Inc | | Oil Operator | Jan 2026 |
| 5913 | Toomey Oil Company Inc | Tulsa, OK 74120 | Oil & Gas Operator | Jan 2026 |
| 5914 | Topco Inc | Tulsa, OK 74105 | Oil & Gas Operator | Nov 2005 |
| 5915 | Topsail Secondary Recovery LLC | Edmond, OK 73013 | Oil & Gas Operator | Feb 2025 |
| 5916 | Torch Operating Company | Houston, TX 77010 | Oil & Gas Operator | Mar 2015 |
| 5917 | Tornado Energy Corporation | Sugarland, TX 77479-7124 | Oil & Gas Operator | Nov 2014 |
| 5918 | Totah Production | Duncan, OK 73533-9406 | Oil Operator | Mar 2015 |
| 5919 | Total Minatome Corporation | Houston, TX 77210 | Oil & Gas Operator | Dec 1998 |
| 5920 | Totalfinaelf E&P USA Inc | Houston, TX 77024 | Oil & Gas Operator | Jul 2007 |
| 5921 | Tower Energy Corporation | Sapulpa, OK 74067-0837 | Oil & Gas Operator | Mar 2015 |
| 5922 | Tower Oil & Gas Company Inc | Englewood, CO 80111 | Oil & Gas Operator | May 2001 |
| 5923 | Tower Wanda L Nations | Oklahoma City, OK 73123 | Oil & Gas Operator | Aug 1996 |
| 5924 | Townsend Operating Company | | Oil & Gas Operator | Jan 2008 |
| 5925 | Townsend V E | Ada, OK 74820 | Oil & Gas Operator | May 2013 |
| 5926 | Tpet, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Mar 2008 |
| 5927 | Trace Oil & Gas LP | Cement, OK 73017 | Oil & Gas Operator | Jan 2026 |
| 5928 | Trace Operating Co & R Hudson | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2013 |
| 5929 | Tracer Energy, Inc. | Graham, TX 76450 | Oil & Gas Operator | Nov 1998 |
| 5930 | Trachtenberg Daniel S | Houston, TX 77071 | Oil Operator | Jan 2026 |
| 5931 | Trackstar Energies LLC | Colorado Springs, CO 80919-3233 | Oil Operator | Mar 2023 |
| 5932 | Tracy & Associates Inc | Ada, OK 74820 | Oil & Gas Operator | Apr 2014 |
| 5933 | Trafalgar House Oil & Gas Inc | Houston, TX 77002-7346 | Oil & Gas Operator | Jan 1992 |
| 5934 | Trail Ridge Energy Partners, LLC | Grapevine, TX 76051 | Oil & Gas Operator | Feb 2026 |
| 5935 | Trailblazer Energy LLC | Plano, TX 75075 | Oil & Gas Operator | Feb 2026 |
| 5936 | Trailhead Exploration, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2026 |
| 5937 | Trans Atlantic Resource Corp | Tulsa, OK 74136-5709 | Oil & Gas Operator | Nov 1998 |
| 5938 | Trans Pacific Oil Corporation | Wichita, KS 67202 | Oil & Gas Operator | Feb 2026 |
| 5939 | Trans-Western Exploration Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 1993 |
| 5940 | Transcoastal Operating LLC | Dallas, TX 75252-5646 | Oil & Gas Operator | Mar 2015 |
| 5941 | Transcontinental Company | Haltom City, TX 76148-4122 | Oil & Gas Operator | Dec 2025 |
| 5942 | Transfuel Resources Co | Houston, TX 77215 | Oil & Gas Operator | Aug 2013 |
| 5943 | Transoil, Inc. | Oklahoma City, OK 73129 | Oil & Gas Operator | May 2026 |
| 5944 | Transok LLC | Oklahoma City, OK 73124-0300 | Oil & Gas Operator | Jul 2020 |
| 5945 | Transpetco Transport Company | Shreveport, LA 71101-5370 | Oil Operator | Jun 2008 |
| 5946 | Travco Well Servicing LLC | Okmulgee, OK 74447 | Oil Operator | Dec 2025 |
| 5947 | Travis Peak Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 5948 | Traynor Oil & Gas Inc | Claremont, CA 91711-2837 | Oil & Gas Operator | Jan 2024 |
| 5949 | Treat Howard | Okmulgee, OK 74447 | Oil & Gas Operator | Oct 2014 |
| 5950 | Trek Resources, Inc. | Dallas, TX 75207 | Oil & Gas Operator | May 2026 |
| 5951 | Trenchco Inc | Shawnee, OK 74802-3577 | Oil & Gas Operator | Apr 2015 |
| 5952 | Trend Gas & Oil Inc | Jenks, OK 74037 | Oil & Gas Operator | Dec 2000 |
| 5953 | Trenon Oil & Gas Inc | Oklahoma City, OK 73112-4279 | Oil & Gas Operator | Sep 1996 |
| 5954 | Trepco Production Company Inc | Yukon, OK 73099 | Oil & Gas Operator | Feb 2026 |
| 5955 | Trepel Petroleum Exploration & | | Oil & Gas Operator | Apr 2014 |
| 5956 | Tresco Energy LLC | Enid, OK 73703-3002 | Oil & Gas Operator | Feb 2026 |
| 5957 | Trey Resources Inc. | Midland, TX 79710 | Oil & Gas Operator | Jan 2026 |
| 5958 | Tri Production Inc | Healdton, OK 73438 | Oil & Gas Operator | Feb 2026 |
| 5959 | Tri-C Resources, LLC | Houston, TX 77024 | Oil & Gas Operator | May 2026 |
| 5960 | Tri-City Energy Inc | Wilson, OK 73463-0196 | Oil Operator | Mar 2014 |
| 5961 | Tri-Ex Petroleum, L.P. | Amarillo, TX 79101 | Oil & Gas Operator | Jan 2013 |
| 5962 | Tri-State Pipeline Service Inc | Ninnekah, OK 73067-0189 | Oil & Gas Operator | Mar 2011 |
| 5963 | Tri-Unity Inc | Sand Springs, OK 74063-4401 | Oil & Gas Operator | Jun 2009 |
| 5964 | Triad Energy Corp Of Texas | Houston, TX 77057-2696 | Oil & Gas Operator | Sep 2014 |
| 5965 | Triad Energy, Inc. | Oklahoma City, OK 73105-1401 | Oil & Gas Operator | Feb 2026 |
| 5966 | Triad Resources Inc | Spring, TX 77389 | Oil & Gas Operator | Dec 2020 |
| 5967 | Triangle Interprises Inc | Justin, TX 76247-0598 | Oil & Gas Operator | Jun 2015 |
| 5968 | Triangle Three Resources L.L.C. | Dallas, TX 75240 | Oil & Gas Operator | May 2026 |
| 5969 | Tridon Oil Inc | Lafayette, LA 70505-2305 | Gas Operator | Dec 2013 |
| 5970 | Triexco Inc | Tulsa, OK 74119 | Oil & Gas Operator | Dec 2012 |
| 5971 | Trigg Drilling Company Inc | Oklahoma City, OK 73105 | Oil & Gas Operator | Jan 2013 |
| 5972 | Trigger'S Disposal LLC | Sayre, OK 73662-2913 | Oil Operator | Sep 2022 |
| 5973 | Trilliant Energy Texas LTD | Tulsa, OK 74135-0767 | Oil & Gas Operator | Jun 2020 |
| 5974 | Trilogy Natural Resources LLC | Edmond, OK 73025 | Oil & Gas Operator | Jan 2026 |
| 5975 | Trineha Inc | Ardmore, OK 73402-2478 | Oil & Gas Operator | Jun 2009 |
| 5976 | Trinity Bay Oil & Gas, Inc. | Lubbock, TX 79416 | Oil & Gas Operator | May 2026 |
| 5977 | Trinity Oil & Gas Inc | Pauls Valley, OK 73075 | Oil Operator | Jan 2026 |
| 5978 | Trinity Oil & Gas Producers LLC | Allen, OK 74825 | Oil & Gas Operator | Feb 2026 |
| 5979 | Trinity Operating (Usg), LLC | Houston, TX 77002 | Oil & Gas Operator | May 2026 |
| 5980 | Trinity Resources, Inc. | Houston, TX 77277 | Oil & Gas Operator | May 2020 |
| 5981 | Trio Consulting & Management,LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2026 |
| 5982 | Trio Operating Company, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2006 |
| 5983 | Triple "S" Gas, Inc. | Louisville, KY 40255 | Oil & Gas Operator | Jan 2026 |
| 5984 | Triple "S" Resources Inc | Sapulpa, OK 74066 | Oil & Gas Operator | Jun 1995 |
| 5985 | Triple 7 Energy Company Inc | Prague, OK 74864 | Oil Operator | Feb 1997 |
| 5986 | Triple B Resources | Barnsdall, OK 74002-9759 | Oil & Gas Operator | May 2014 |
| 5987 | Triple C Properties Inc | Seminole, OK 74818 | Oil & Gas Operator | Jan 2026 |
| 5988 | Triple Diamond Energy Operating LLC | Dallas, TX 75254-8352 | Oil & Gas Operator | Jun 2014 |
| 5989 | Triple G Well Service, Inc. | Muenster, TX 76252 | Oil & Gas Operator | May 2026 |
| 5990 | Triple H Operating | Tryon, OK 74875-6235 | Oil Operator | Apr 2022 |
| 5991 | Triple L Management Co Inc | Edmond, OK 73025-2908 | Oil & Gas Operator | Apr 2018 |
| 5992 | Triple S Drilling Company | Leonard, OK 74043 | Oil & Gas Operator | Feb 2012 |
| 5993 | Triple W Oil Inc | Chandler, OK 74834-0546 | Oil & Gas Operator | May 2013 |
| 5994 | Tripledee Drilling Co Inc | Ardmore, OK 73402-1888 | Oil & Gas Operator | Dec 2015 |
| 5995 | Tripledee Operating Company LLC | Ardmore, OK 73401 | Oil & Gas Operator | Nov 2022 |
| 5996 | Triplett Larry W | Oklahoma City, OK 73112-5325 | Oil & Gas Operator | Mar 2015 |
| 5997 | Tripower Resources LLC | Ardmore, OK 73402 | Oil & Gas Operator | May 2026 |
| 5998 | Tripower Resources, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2020 |
| 5999 | Trissell Alva Lee | Willow, OK 73673-9602 | Oil Operator | Apr 2020 |
| 6000 | Tritex Production Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Jan 2013 |