| 5801 | T & J Operating | Ada, OK 74821-1547 | Oil Operator | Feb 2012 |
| 5802 | T & K Oil Inc | Stephens, AR 71764 | Oil Operator | Jan 2025 |
| 5803 | T & M Oil & Royalty | Ada, OK 74820 | Oil & Gas Operator | Sep 2025 |
| 5804 | T & M Oil Company | Midlothian, TX 76065 | Oil & Gas Operator | Dec 2025 |
| 5805 | T & O Gas Co | | Oil Operator | May 2001 |
| 5806 | T & P Exploration | Addison, TX 75006 | Oil & Gas Operator | Aug 1993 |
| 5807 | T & W Ward Oil LLC | Blackwell, OK 74631 | Oil Operator | Aug 2025 |
| 5808 | T And L Oil Inc | Tonkawa, OK 74653-4530 | Oil & Gas Operator | Aug 2025 |
| 5809 | T B C Inc | Coweta, OK 74429 | Oil & Gas Operator | Apr 2020 |
| 5810 | T B K Energy Company | Brenham, TX 77833 | Oil & Gas Operator | Aug 2025 |
| 5811 | T Bar M Energy Resources LLC | Mounds, OK 74047 | Oil & Gas Operator | Aug 2025 |
| 5812 | T C Craighead & Company LLC | Ardmore, OK 73401 | Oil & Gas Operator | Aug 2019 |
| 5813 | T D Cox Oil Corporation | | Oil & Gas Operator | Aug 2025 |
| 5814 | T D Energy Company Inc | Broken Arrow, OK 74011-3953 | Oil & Gas Operator | Feb 2015 |
| 5815 | T E F Inc | Madill, OK 73446-6656 | Oil & Gas Operator | Jul 2023 |
| 5816 | T E L Oil & Gas Corporation | Guymon, OK 73941 | Gas Operator | Aug 2025 |
| 5817 | T G & S Oil | Marietta, OK 73448 | Oil & Gas Operator | Apr 2025 |
| 5818 | T G T Petroleum Corporation | Wichita, KS 67275 | Oil & Gas Operator | Jun 2025 |
| 5819 | T Investments Inc | Oklahoma City, OK 73118-1401 | Oil & Gas Operator | Mar 2011 |
| 5820 | T L C Oil Inc | Seminole, OK 74868 | Oil & Gas Operator | Aug 2025 |
| 5821 | T S B T Oil & Gas Properties | Moore, OK 73160-8126 | Oil & Gas Operator | Jan 2018 |
| 5822 | T T & T Inc | Shawnee, OK 74802-3694 | Oil & Gas Operator | Jan 1994 |
| 5823 | T W Law LLC | Muskogee, OK 74403-6736 | Oil Operator | Aug 2025 |
| 5824 | T Willoughby, LLC | Ada, OK 74820 | Oil Operator | Aug 2025 |
| 5825 | T-D Oil Inc | Cement, OK 73017-0065 | Oil & Gas Operator | May 2020 |
| 5826 | T-K Exploration Company | Oklahoma City, OK 73102-7029 | Oil & Gas Operator | Mar 2015 |
| 5827 | T-Y Development Corp | Perryton, TX 79070 | Oil & Gas Operator | Dec 2025 |
| 5828 | T.C. Harris Pumping LLC | Hennessey, OK 73742 | Gas Operator | Aug 2025 |
| 5829 | T2 Operating Corporation | Denver, CO 80202 | Oil & Gas Operator | Dec 2025 |
| 5830 | Taber Oil Co | | Oil Operator | Sep 2018 |
| 5831 | Tack Operating LLC | Oklahoma City, OK 73172-1492 | Oil & Gas Operator | Aug 2021 |
| 5832 | Tag Oil Co LLC | Ringling, OK 73456 | Oil & Gas Operator | Jul 2025 |
| 5833 | Tag Operating Company, Inc. | Houston, TX 77092 | Oil & Gas Operator | Dec 2025 |
| 5834 | Tag Petroleum Inc | Stillwater, OK 74076 | Oil & Gas Operator | Jan 2021 |
| 5835 | Tag Team Resources LLC | Eufaula, OK 74432 | Oil & Gas Operator | Aug 2025 |
| 5836 | Tahoe Exploration Inc. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2016 |
| 5837 | Talbert, Eugene Operating Co,Inc | Tyler, TX 75702 | Oil & Gas Operator | Dec 1997 |
| 5838 | Tallgrass Energy, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Dec 2025 |
| 5839 | Tallgrass Petroleum Corporation | | Oil & Gas Operator | Feb 2012 |
| 5840 | Talus Inc | Graham, TX 76450-1210 | Oil & Gas Operator | Feb 2017 |
| 5841 | Tamarack Petroleum Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 5842 | Tamworth Resources LLC | Broken Arrow, OK 74012-0005 | Oil & Gas Operator | Aug 2025 |
| 5843 | Tandem Oil Inc | Oklahoma City, OK 73139 | Oil & Gas Operator | Oct 1998 |
| 5844 | Tank Truck'S Inc | Sapulpa, OK 74066 | Oil Operator | Oct 2025 |
| 5845 | Tap Petroleum Inc | Cleveland, OK 74020-0054 | Oil & Gas Operator | Apr 2020 |
| 5846 | Tapoil Inc | Elmore City, OK 73433-9077 | Oil & Gas Operator | Jul 2021 |
| 5847 | Tapstone Energy LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Sep 2025 |
| 5848 | Targa Pipeline Mid-Continent LLC | Sulphur, LA 70665 | Oil & Gas Operator | Jun 2018 |
| 5849 | Tarka Energy LLC | Houston, TX 77056-1940 | Oil & Gas Operator | Mar 2022 |
| 5850 | Tarrant Tracy Dba Trace Oil | Crescent, OK 73028 | Oil & Gas Operator | Feb 2021 |
| 5851 | Tarwater Oil & Gas LLC | San Jose, CA 95128-4219 | Oil & Gas Operator | Dec 2023 |
| 5852 | Tat, Inc. | Oklahoma City, OK 73127 | Oil & Gas Operator | Feb 2023 |
| 5853 | Tate Exploration | Lakin, KS 67860 | Oil & Gas Operator | Sep 1994 |
| 5854 | Tau Ventures | Tulsa, OK 74105-1026 | Oil & Gas Operator | Aug 2025 |
| 5855 | Taubert & Steed | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 2001 |
| 5856 | Taurus Minerals Inc /Osage Only | | Oil Operator | Aug 2013 |
| 5857 | Taurus Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 2025 |
| 5858 | Taylor Cliff | | Oil & Gas Operator | Aug 2025 |
| 5859 | Taylor Energy Corporation | Amarillo, TX 79114 | Oil & Gas Operator | Feb 1999 |
| 5860 | Taylor International Inc | Drumright, OK 74030-1173 | Oil & Gas Operator | Mar 2020 |
| 5861 | Taylor James A | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2013 |
| 5862 | Taylor Oil Company | Edmond, OK 73034 | Oil & Gas Operator | Jun 2025 |
| 5863 | Taylor Petroleum LLC | Crescent, OK 73028-0340 | Oil & Gas Operator | Dec 2016 |
| 5864 | Taylor Production Company | Collinsville, OK 74021 | Oil Operator | Nov 1998 |
| 5865 | Taylor R C Companies Inc | Oklahoma City, OK 73118-4015 | Oil & Gas Operator | May 2021 |
| 5866 | Taylor R Clark Exploration Inc | | Oil & Gas Operator | Aug 1992 |
| 5867 | Tbi Exploration Inc | Englewood, CO 801556525 | Oil & Gas Operator | Jun 2011 |
| 5868 | TC Energy LLC | Covington, OK 73730-2116 | Oil & Gas Operator | Sep 2014 |
| 5869 | TC Oil LLC | Duncan, OK 73533 | Oil Operator | Aug 2025 |
| 5870 | TC3 Operating Company | Dallas, TX 75248 | Oil & Gas Operator | Jul 1996 |
| 5871 | Tcina Inc | Seminole, OK 74868 | Oil & Gas Operator | May 2023 |
| 5872 | TD Oil & Gas LLC | Duncan, OK 73533-1851 | Oil Operator | Apr 2023 |
| 5873 | TD Operating Inc | Hinton, OK 73047 | Oil & Gas Operator | Sep 2025 |
| 5874 | Te-Ray Energy Inc | Oklahoma City, OK 73108 | Oil & Gas Operator | Aug 2025 |
| 5875 | Te-Ray Resources, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2025 |
| 5876 | Teafatiller Limuel & Rita | Marietta, OK 73448-0321 | Oil & Gas Operator | Feb 2002 |
| 5877 | Teale F William | Tulsa, OK 74136-1017 | Oil & Gas Operator | Jun 2000 |
| 5878 | Tec Resources LLC | Tulsa, OK 74128 | Oil & Gas Operator | May 2013 |
| 5879 | Technical Energy Services, Inc. | Norman, OK 73070 | Oil & Gas Operator | Aug 2025 |
| 5880 | Tecolote Energy Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Jan 2024 |
| 5881 | Tee Cee'S Inc | Drumright, OK 74030 | Oil & Gas Operator | Sep 2025 |
| 5882 | Teepee Oil & Gas Inc | Yukon, OK 73085 | Oil Operator | Dec 2006 |
| 5883 | Tekenergy Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 5884 | Tema Oil And Gas Company | Houston, TX 77084 | Oil & Gas Operator | Dec 2025 |
| 5885 | Tema Oil Company | Amarillo, TX 79101 | Oil & Gas Operator | Jun 2009 |
| 5886 | Temex Energy Inc | Oklahoma City, OK 73101 | Oil & Gas Operator | Feb 2002 |
| 5887 | Templar Operating LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Aug 2025 |
| 5888 | Ten Grand Energy Company Inc | Nachogdoches, TX 75963-1880 | Oil Operator | Mar 2011 |
| 5889 | Tenison Oil Company | Abilene, TX 79605 | Oil & Gas Operator | Aug 2025 |
| 5890 | Tenneco Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Aug 2025 |
| 5891 | Tennyson Oil & Gas | Muskogee, OK 74401 | Oil Operator | Aug 2025 |
| 5892 | Teocalli Exploration LLC | Kingfisher, OK 73750 | Oil & Gas Operator | Sep 2025 |
| 5893 | Tepee Petroleum Company, Inc. | Houston, TX 77098 | Oil & Gas Operator | Feb 2014 |
| 5894 | Terhune Harry C | Bartlesville, OK 74003 | Oil Operator | Feb 1997 |
| 5895 | Terhune Opal S | Bartlesville, OK 74006-0472 | Oil Operator | Apr 2025 |
| 5896 | Terra Production Company | Okemah, OK 74859-5924 | Oil & Gas Operator | Apr 2020 |
| 5897 | Terrapet Corporation | | Oil & Gas Operator | Jun 2011 |
| 5898 | Terrapin Energy LLC | Okmulgee, OK 74447 | Oil Operator | Sep 2025 |
| 5899 | Terraquest Corporation | Edmond, OK 73034 | Oil & Gas Operator | Jul 1997 |
| 5900 | Territory Resources LLC | Stillwater, OK 74074-1869 | Oil & Gas Operator | Oct 2025 |