| 5801 | T W Law LLC | Muskogee, OK 74403-6736 | Oil Operator | Mar 2026 |
| 5802 | T Willoughby, LLC | Ada, OK 74820 | Oil Operator | Apr 2026 |
| 5803 | T-D Oil Inc | Cement, OK 73017-0065 | Oil & Gas Operator | May 2020 |
| 5804 | T-K Exploration Company | Oklahoma City, OK 73102-7029 | Oil & Gas Operator | Mar 2015 |
| 5805 | T-Y Development Corp | Perryton, TX 79070 | Oil & Gas Operator | Jul 2026 |
| 5806 | T.C. Harris Pumping LLC | Hennessey, OK 73742 | Gas Operator | Apr 2026 |
| 5807 | T2 Operating Corporation | Denver, CO 80202 | Oil & Gas Operator | May 2026 |
| 5808 | Taber Oil Co | | Oil Operator | Sep 2018 |
| 5809 | Tack Operating LLC | Oklahoma City, OK 73172-1492 | Oil & Gas Operator | Aug 2021 |
| 5810 | Tag Oil Co LLC | Ringling, OK 73456 | Oil & Gas Operator | Apr 2026 |
| 5811 | Tag Operating Company, Inc. | Houston, TX 77092 | Oil & Gas Operator | Jul 2026 |
| 5812 | Tag Petroleum Inc | Stillwater, OK 74076 | Oil & Gas Operator | Jan 2021 |
| 5813 | Tag Team Resources LLC | Eufaula, OK 74432 | Oil & Gas Operator | Apr 2026 |
| 5814 | Tahoe Exploration Inc. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2016 |
| 5815 | Talbert, Eugene Operating Co,Inc | Tyler, TX 75702 | Oil & Gas Operator | Dec 1997 |
| 5816 | Tallgrass Energy, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Jul 2026 |
| 5817 | Tallgrass Petroleum Corporation | | Oil & Gas Operator | Feb 2012 |
| 5818 | Talus Inc | Graham, TX 76450-1210 | Oil & Gas Operator | Feb 2017 |
| 5819 | Tamarack Petroleum Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jul 2026 |
| 5820 | Tamworth Resources LLC | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2026 |
| 5821 | Tandem Oil Inc | Oklahoma City, OK 73139 | Oil & Gas Operator | Oct 1998 |
| 5822 | Tank Truck'S Inc | Sapulpa, OK 74066 | Oil Operator | Jun 2026 |
| 5823 | Tap Petroleum Inc | Cleveland, OK 74020-0054 | Oil & Gas Operator | Apr 2020 |
| 5824 | Tapoil Inc | Elmore City, OK 73433-9077 | Oil & Gas Operator | Jul 2021 |
| 5825 | Tapstone Energy LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | May 2026 |
| 5826 | Targa Pipeline Mid-Continent LLC | Sulphur, LA 70665 | Oil & Gas Operator | Jun 2018 |
| 5827 | Tarka Energy LLC | Houston, TX 77056-1940 | Oil & Gas Operator | Mar 2022 |
| 5828 | Tarrant Tracy Dba Trace Oil | Crescent, OK 73028 | Oil & Gas Operator | Feb 2021 |
| 5829 | Tarwater Oil & Gas LLC | San Jose, CA 95128-4219 | Oil & Gas Operator | Dec 2023 |
| 5830 | Tat, Inc. | Oklahoma City, OK 73127 | Oil & Gas Operator | Feb 2023 |
| 5831 | Tau Ventures | Tulsa, OK 74105-1026 | Oil & Gas Operator | Apr 2026 |
| 5832 | Taubert & Steed | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 2001 |
| 5833 | Taurus Minerals Inc /Osage Only | | Oil Operator | Aug 2013 |
| 5834 | Taurus Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Jul 2026 |
| 5835 | Taylor Cliff | | Oil & Gas Operator | Apr 2026 |
| 5836 | Taylor Energy Corporation | Amarillo, TX 79114 | Oil & Gas Operator | Feb 1999 |
| 5837 | Taylor International Inc | Drumright, OK 74030-1173 | Oil & Gas Operator | Mar 2020 |
| 5838 | Taylor James A | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2013 |
| 5839 | Taylor Oil Company | Edmond, OK 73034 | Oil & Gas Operator | Mar 2026 |
| 5840 | Taylor Petroleum LLC | Crescent, OK 73028-0340 | Oil & Gas Operator | Dec 2016 |
| 5841 | Taylor Production Company | Collinsville, OK 74021 | Oil Operator | Nov 1998 |
| 5842 | Taylor R C Companies Inc | Oklahoma City, OK 73118-4015 | Oil & Gas Operator | May 2021 |
| 5843 | Taylor R Clark Exploration Inc | | Oil & Gas Operator | Aug 1992 |
| 5844 | Tbi Exploration Inc | Englewood, CO 801556525 | Oil & Gas Operator | Jun 2011 |
| 5845 | TC Energy LLC | Covington, OK 73730-2116 | Oil & Gas Operator | Sep 2014 |
| 5846 | TC Oil LLC | Duncan, OK 73533 | Oil Operator | May 2026 |
| 5847 | TC3 Operating Company | Dallas, TX 75248 | Oil & Gas Operator | Jul 1996 |
| 5848 | Tcina Inc | Seminole, OK 74868 | Oil & Gas Operator | May 2023 |
| 5849 | TD Oil & Gas LLC | Duncan, OK 73533-1851 | Oil Operator | Apr 2023 |
| 5850 | TD Operating Inc | Hinton, OK 73047 | Oil & Gas Operator | May 2026 |
| 5851 | Te-Ray Energy Inc | Oklahoma City, OK 73108 | Oil & Gas Operator | Apr 2026 |
| 5852 | Te-Ray Resources, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Jul 2026 |
| 5853 | Teafatiller Limuel & Rita | Marietta, OK 73448-0321 | Oil & Gas Operator | Feb 2002 |
| 5854 | Teale F William | Tulsa, OK 74136-1017 | Oil & Gas Operator | Jun 2000 |
| 5855 | Tec Resources LLC | Tulsa, OK 74128 | Oil & Gas Operator | May 2013 |
| 5856 | Technical Energy Services, Inc. | Norman, OK 73070 | Oil & Gas Operator | Apr 2026 |
| 5857 | Tecolote Energy Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Jan 2024 |
| 5858 | Tee Cee'S Inc | Drumright, OK 74030 | Oil & Gas Operator | May 2026 |
| 5859 | Teepee Oil & Gas Inc | Yukon, OK 73085 | Oil Operator | Dec 2006 |
| 5860 | Tekenergy Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 5861 | Tema Oil And Gas Company | Houston, TX 77084 | Oil & Gas Operator | Jul 2026 |
| 5862 | Tema Oil Company | Amarillo, TX 79101 | Oil & Gas Operator | Jun 2009 |
| 5863 | Temex Energy Inc | Oklahoma City, OK 73101 | Oil & Gas Operator | Feb 2002 |
| 5864 | Templar Operating LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Apr 2026 |
| 5865 | Ten Grand Energy Company Inc | Nachogdoches, TX 75963-1880 | Oil Operator | Mar 2011 |
| 5866 | Tenison Oil Company | Abilene, TX 79605 | Oil & Gas Operator | Apr 2026 |
| 5867 | Tenneco Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Dec 2025 |
| 5868 | Tennyson Oil & Gas | Muskogee, OK 74401 | Oil Operator | Apr 2026 |
| 5869 | Teocalli Exploration LLC | Kingfisher, OK 73750 | Oil & Gas Operator | May 2026 |
| 5870 | Tepee Petroleum Company, Inc. | Houston, TX 77098 | Oil & Gas Operator | Feb 2014 |
| 5871 | Terhune Harry C | Bartlesville, OK 74003 | Oil Operator | Feb 1997 |
| 5872 | Terhune Opal S | Bartlesville, OK 74006-0472 | Oil Operator | Apr 2025 |
| 5873 | Terra Production Company | Okemah, OK 74859-5924 | Oil & Gas Operator | Apr 2020 |
| 5874 | Terrapet Corporation | | Oil & Gas Operator | Jun 2011 |
| 5875 | Terrapin Energy LLC | Okmulgee, OK 74447 | Oil Operator | May 2026 |
| 5876 | Terraquest Corporation | Edmond, OK 73034 | Oil & Gas Operator | Jul 1997 |
| 5877 | Territory Resources LLC | Stillwater, OK 74074-1869 | Oil & Gas Operator | Jun 2026 |
| 5878 | Terry Jack | Konawa, OK 74849-0337 | Oil Operator | Feb 2012 |
| 5879 | Terry John Trust | Aurora, CO 80012-5112 | Oil & Gas Operator | May 2016 |
| 5880 | Terry Production Co | Stroud, OK 74079-0475 | Oil & Gas Operator | Aug 2008 |
| 5881 | Terzan Energy II LLC | Chandler, OK 74834 | Oil & Gas Operator | May 2026 |
| 5882 | Tesoro Expl. & Prod. Company | San Antonio, TX 78216 | Gas Operator | Sep 2010 |
| 5883 | Tessera Energy LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Apr 2026 |
| 5884 | Testco Production Company | Watonga, OK 73772-0589 | Oil & Gas Operator | Aug 2013 |
| 5885 | Tex-Ok Energy, Limited Partnership | Cody, WY 82414 | Oil & Gas Operator | May 2026 |
| 5886 | Tex-Star Production | Dallas, TX 75206 | Oil & Gas Operator | May 2026 |
| 5887 | Tex/Con Oil & Gas Company | Houston, TX 77074 | Oil & Gas Operator | Feb 2001 |
| 5888 | Texaco Exploration & Prod Inc | Houston, TX 77236 | Oil & Gas Operator | Mar 2026 |
| 5889 | Texaco Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Dec 2017 |
| 5890 | Texaco Oils Inc | Tulsa, OK 74102-2420 | Oil & Gas Operator | Jan 2003 |
| 5891 | Texakoma Exploration & Production LLC | Plano, TX 75024 | Oil & Gas Operator | May 2026 |
| 5892 | Texakoma Oil & Gas Corp | Dallas, TX 75240 | Oil & Gas Operator | Sep 2014 |
| 5893 | Texakoma Operating, L.P. | Plano, TX 75024 | Oil & Gas Operator | Mar 2025 |
| 5894 | Texas American Oil Corporation | Midland, TX 79701 | Oil & Gas Operator | Jan 2001 |
| 5895 | Texas Crude Exploration Inc | Fort Worth, TX 76116 | Oil & Gas Operator | Aug 1992 |
| 5896 | Texas Energies Inc | Pratt, KS 67124 | Oil & Gas Operator | Aug 1998 |
| 5897 | Texas Energy Mutual LLC | Grapevine, TX 76051-8145 | Oil Operator | Jun 2018 |
| 5898 | Texas Energy Operations, LC | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 2026 |
| 5899 | Texas Meridian Operating Co. Inc | Houston, TX 77079 | Oil & Gas Operator | Oct 1993 |
| 5900 | Texas Mineral Group | Midland, TX 79705 | Oil & Gas Operator | Aug 2013 |