| 5901 | T & M Oil Company | Midlothian, TX 76065 | Oil & Gas Operator | Nov 2024 |
| 5902 | T & O Gas Co | | Oil Operator | May 2001 |
| 5903 | T & P Exploration | Addison, TX 75006 | Oil & Gas Operator | Aug 1993 |
| 5904 | T & S Mud Disposal LLC | Lindsay, OK 73052-0754 | Oil Operator | Mar 2013 |
| 5905 | T & W Ward Oil LLC | Blackwell, OK 74631 | Oil Operator | Sep 2024 |
| 5906 | T And L Oil Inc | Tonkawa, OK 74653-4530 | Oil & Gas Operator | Aug 2024 |
| 5907 | T B C Inc | Coweta, OK 74429 | Oil & Gas Operator | Apr 2020 |
| 5908 | T B K Energy Company | New Braunfels, TX 78130 | Oil & Gas Operator | Sep 2024 |
| 5909 | T Bar M Energy Resources LLC | Mounds, OK 74047 | Oil & Gas Operator | Aug 2024 |
| 5910 | T C Craighead & Company LLC | Ardmore, OK 73401 | Oil & Gas Operator | Aug 2019 |
| 5911 | T C M LLC | | Gas Operator | Jun 2009 |
| 5912 | T D Energy Company Inc | Broken Arrow, OK 74011-3953 | Oil & Gas Operator | Feb 2015 |
| 5913 | T E F Inc | Madill, OK 73446-6656 | Oil & Gas Operator | Jul 2023 |
| 5914 | T E L Oil & Gas Corporation | Guymon, OK 73941 | Gas Operator | Aug 2024 |
| 5915 | T G & S Oil | Marietta, OK 73448 | Oil & Gas Operator | Aug 2024 |
| 5916 | T Investments Inc | Oklahoma City, OK 73118-1401 | Oil & Gas Operator | Mar 2011 |
| 5917 | T L C Oil Inc | Seminole, OK 74868 | Oil & Gas Operator | Aug 2024 |
| 5918 | T S B T Oil & Gas Properties | Moore, OK 73160-8126 | Oil & Gas Operator | Jan 2018 |
| 5919 | T T & T Inc | Shawnee, OK 74802-3694 | Oil & Gas Operator | Jan 1994 |
| 5920 | T W Law LLC | Muskogee, OK 74403-6736 | Oil Operator | Aug 2024 |
| 5921 | T-D Oil Inc | Cement, OK 73017-0065 | Oil & Gas Operator | May 2020 |
| 5922 | T-K Exploration Company | Oklahoma City, OK 73102-7029 | Oil & Gas Operator | Mar 2015 |
| 5923 | T-Y Development Corp | Perryton, TX 79070 | Oil & Gas Operator | Nov 2024 |
| 5924 | T.C. Harris Pumping LLC | Hennessey, OK 73742 | Gas Operator | Aug 2024 |
| 5925 | T2 Operating Corporation | Denver, CO 80202 | Oil & Gas Operator | Nov 2024 |
| 5926 | Taber Oil Co | | Oil Operator | Sep 2018 |
| 5927 | Tack Operating LLC | Oklahoma City, OK 73172-1492 | Oil & Gas Operator | Aug 2021 |
| 5928 | Tag Oil Co LLC | Ringling, OK 73456 | Oil & Gas Operator | Sep 2024 |
| 5929 | Tag Operating Company, Inc. | Houston, TX 77092 | Oil & Gas Operator | Nov 2024 |
| 5930 | Tag Petroleum Inc | Stillwater, OK 74076 | Oil & Gas Operator | Jan 2021 |
| 5931 | Tag Team Resources LLC | Eufaula, OK 74432 | Oil & Gas Operator | Sep 2024 |
| 5932 | Tahoe Exploration Inc. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2016 |
| 5933 | Talbert, Eugene Operating Co,Inc | Tyler, TX 75702 | Oil & Gas Operator | Dec 1997 |
| 5934 | Tallgrass Energy, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2024 |
| 5935 | Tallgrass Petroleum Corp | Hominy, OK 74035 | Oil & Gas Operator | Feb 2012 |
| 5936 | Talus Inc | Graham, TX 76450-1210 | Oil & Gas Operator | Feb 2017 |
| 5937 | Tamarack Petroleum Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Nov 2024 |
| 5938 | Tamworth Resources LLC | Broken Arrow, OK 74012 | Oil & Gas Operator | Aug 2024 |
| 5939 | Tandem Oil Inc | Oklahoma City, OK 73139 | Oil & Gas Operator | Oct 1998 |
| 5940 | Tank Truck'S Inc | Sapulpa, OK 74066 | Oil Operator | Sep 2024 |
| 5941 | Tap Petroleum Inc | Cleveland, OK 74020-0054 | Oil & Gas Operator | Apr 2020 |
| 5942 | Tapoil Inc | Elmore City, OK 73433-9077 | Oil & Gas Operator | Jul 2021 |
| 5943 | Tapstone Energy LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Sep 2024 |
| 5944 | Targa Pipeline Mid-Continent LLC | Sulphur, LA 70665 | Oil & Gas Operator | Jun 2018 |
| 5945 | Tarka Energy LLC | Houston, TX 77056-1940 | Oil & Gas Operator | Mar 2022 |
| 5946 | Tarrant Tracy Dba Trace Oil | Crescent, OK 73028 | Oil & Gas Operator | Feb 2021 |
| 5947 | Tarwater Oil & Gas LLC | San Jose, CA 95128-4219 | Oil & Gas Operator | Dec 2023 |
| 5948 | Tat, Inc. | Oklahoma City, OK 73127 | Oil & Gas Operator | Feb 2023 |
| 5949 | Tau Ventures | Tulsa, OK 74105-1026 | Oil & Gas Operator | Aug 2024 |
| 5950 | Taubert & Steed | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 2001 |
| 5951 | Taurus Minerals, Inc. | Midland, TX 79702 | Oil & Gas Operator | Nov 2024 |
| 5952 | Taurus Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Nov 2024 |
| 5953 | Taylor Clifford E Dba White Palace Energy | Skiatook, OK 74070 | Oil & Gas Operator | Sep 2024 |
| 5954 | Taylor Energy Corporation | Amarillo, TX 79114 | Oil & Gas Operator | Feb 1999 |
| 5955 | Taylor International Inc | Drumright, OK 74030-1173 | Oil & Gas Operator | Mar 2020 |
| 5956 | Taylor James A | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2013 |
| 5957 | Taylor John A | | Oil & Gas Operator | Jan 2016 |
| 5958 | Taylor Oil Co. | Edmond, OK 73034 | Oil & Gas Operator | Jul 2024 |
| 5959 | Taylor Petroleum LLC | Crescent, OK 73028-0340 | Oil & Gas Operator | Dec 2016 |
| 5960 | Taylor Production Company | Collinsville, OK 74021 | Oil Operator | Nov 1998 |
| 5961 | Taylor R C Companies Inc | Oklahoma City, OK 73118-4015 | Oil & Gas Operator | May 2021 |
| 5962 | Taylor R Clark Exploration Inc | | Oil & Gas Operator | Aug 1992 |
| 5963 | Tbi Exploration Inc | Englewood, CO 801556525 | Oil & Gas Operator | Jun 2011 |
| 5964 | TC Energy LLC | Covington, OK 73730-2116 | Oil & Gas Operator | Sep 2014 |
| 5965 | TC Oil LLC | Duncan, OK 73533 | Oil Operator | Jul 2024 |
| 5966 | TC3 Operating Co. | Dallas, TX 75248 | Oil & Gas Operator | Jul 1996 |
| 5967 | Tcina Inc | Seminole, OK 74868 | Oil & Gas Operator | May 2023 |
| 5968 | TD Oil & Gas LLC | Duncan, OK 73533-1851 | Oil Operator | Apr 2023 |
| 5969 | TD Operating Inc | Hinton, OK 73047 | Oil & Gas Operator | Sep 2024 |
| 5970 | Te-Ray Energy, Inc. | Oklahoma City, OK 73108 | Oil & Gas Operator | Aug 2024 |
| 5971 | Te-Ray Resources, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Nov 2024 |
| 5972 | Teafatiller Limuel & Rita | Marietta, OK 73448-0321 | Oil & Gas Operator | Feb 2002 |
| 5973 | Teale F William | Tulsa, OK 74136-1017 | Oil & Gas Operator | Jun 2000 |
| 5974 | Tec Pipeline LLC | Tulsa, OK 74128 | Oil & Gas Operator | Mar 2015 |
| 5975 | Tec Resources LLC | Tulsa, OK 74128 | Oil & Gas Operator | May 2013 |
| 5976 | Technical Energy Services, Inc. | Norman, OK 73070 | Oil & Gas Operator | Aug 2024 |
| 5977 | Tecolote Energy Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Jan 2024 |
| 5978 | Tee Cee'S Inc | Drumright, OK 74030-3855 | Oil & Gas Operator | Sep 2024 |
| 5979 | Teepee Oil & Gas Inc | Yukon, OK 73085 | Oil Operator | Dec 2006 |
| 5980 | Tekenergy, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 5981 | Tema Oil And Gas Company | Houston, TX 77084 | Oil & Gas Operator | Nov 2024 |
| 5982 | Tema Oil Company | Amarillo, TX 79101 | Oil & Gas Operator | Jun 2009 |
| 5983 | Temex Energy, Inc. | Oklahoma City, OK 73101 | Oil & Gas Operator | Feb 2002 |
| 5984 | Templar Operating LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Sep 2024 |
| 5985 | Ten Grand Energy Company Inc | Nachogdoches, TX 75963-1880 | Oil Operator | Mar 2011 |
| 5986 | Tenaska Marketing Ventures | Omaha, NE 68154 | Oil & Gas Operator | Mar 2021 |
| 5987 | Tenison Oil Company | Abilene, TX 79605 | Oil & Gas Operator | Nov 2024 |
| 5988 | Tenneco Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Aug 2024 |
| 5989 | Tennessee Gas Pipeline Company | Houston, TX 77252 | Oil & Gas Operator | Dec 2011 |
| 5990 | Tennyson Jerry Dba Tennyson Oil & Gas | Muskogee, OK 74401 | Oil Operator | Aug 2024 |
| 5991 | Teocalli Exploration LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Sep 2024 |
| 5992 | Tepee Petroleum Company, Inc. | Houston, TX 77098 | Oil & Gas Operator | Feb 2014 |
| 5993 | Terhune Harry C | Bartlesville, OK 74003 | Oil Operator | Feb 1997 |
| 5994 | Terhune Opal S | Bartlesville, OK 74006-0472 | Oil Operator | Sep 2024 |
| 5995 | Terra Production Company | Okemah, OK 74859-5924 | Oil & Gas Operator | Apr 2020 |
| 5996 | Terrapet Corporation | | Oil & Gas Operator | Jun 2011 |
| 5997 | Terrapin Energy LLC | Okmulgee, OK 74447 | Oil Operator | Sep 2024 |
| 5998 | Terraquest Corporation | Edmond, OK 73034 | Oil & Gas Operator | Jul 1997 |
| 5999 | Territory Resources LLC | Stillwater, OK 74074-1869 | Oil & Gas Operator | Oct 2024 |
| 6000 | Terry Jack | Konawa, OK 74849-0337 | Oil Operator | Feb 2012 |