| 6101 | Tallgrass Energy, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2025 |
| 6102 | Tallgrass Petroleum Corp | Hominy, OK 74035 | Oil & Gas Operator | Feb 2012 |
| 6103 | Talus Inc | Graham, TX 76450-1210 | Oil & Gas Operator | Feb 2017 |
| 6104 | Tamarack Petroleum Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Mar 2025 |
| 6105 | Tamworth Resources LLC | Broken Arrow, OK 74012 | Oil & Gas Operator | Dec 2024 |
| 6106 | Tandem Oil Inc | Oklahoma City, OK 73139 | Oil & Gas Operator | Oct 1998 |
| 6107 | Tank Truck'S Inc | Sapulpa, OK 74066 | Oil Operator | Feb 2025 |
| 6108 | Tap Petroleum Inc | Cleveland, OK 74020-0054 | Oil & Gas Operator | Apr 2020 |
| 6109 | Tapoil Inc | Elmore City, OK 73433-9077 | Oil & Gas Operator | Jul 2021 |
| 6110 | Tapstone Energy LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Jan 2025 |
| 6111 | Targa Pipeline Mid-Continent LLC | Sulphur, LA 70665 | Oil & Gas Operator | Jun 2018 |
| 6112 | Tarka Energy LLC | Houston, TX 77056-1940 | Oil & Gas Operator | Mar 2022 |
| 6113 | Tarrant Tracy Dba Trace Oil | Crescent, OK 73028 | Oil & Gas Operator | Feb 2021 |
| 6114 | Tarwater Oil & Gas LLC | San Jose, CA 95128-4219 | Oil & Gas Operator | Dec 2023 |
| 6115 | Tat, Inc. | Oklahoma City, OK 73127 | Oil & Gas Operator | Feb 2023 |
| 6116 | Tate Exploration | Lakin, KS 67860 | Oil & Gas Operator | Sep 1994 |
| 6117 | Tau Ventures | Tulsa, OK 74105-1026 | Oil & Gas Operator | Dec 2024 |
| 6118 | Taubert & Steed | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 2001 |
| 6119 | Taurus Minerals, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2025 |
| 6120 | Taurus Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Mar 2025 |
| 6121 | Taylor Clifford E Dba White Palace Energy | Skiatook, OK 74070 | Oil & Gas Operator | Dec 2024 |
| 6122 | Taylor Energy Corporation | Amarillo, TX 79114 | Oil & Gas Operator | Feb 1999 |
| 6123 | Taylor International Inc | Drumright, OK 74030-1173 | Oil & Gas Operator | Mar 2020 |
| 6124 | Taylor James A | Pawhuska, OK 74056 | Oil & Gas Operator | Aug 2013 |
| 6125 | Taylor John A | | Oil & Gas Operator | Jan 2016 |
| 6126 | Taylor Oil Co. | Edmond, OK 73034 | Oil & Gas Operator | Nov 2024 |
| 6127 | Taylor Petroleum LLC | Crescent, OK 73028-0340 | Oil & Gas Operator | Dec 2016 |
| 6128 | Taylor Production Company | Collinsville, OK 74021 | Oil Operator | Nov 1998 |
| 6129 | Taylor R C Companies Inc | Oklahoma City, OK 73118-4015 | Oil & Gas Operator | May 2021 |
| 6130 | Taylor R Clark Exploration Inc | | Oil & Gas Operator | Aug 1992 |
| 6131 | Tbi Exploration Inc | Englewood, CO 801556525 | Oil & Gas Operator | Jun 2011 |
| 6132 | TC Energy LLC | Covington, OK 73730-2116 | Oil & Gas Operator | Sep 2014 |
| 6133 | TC Oil LLC | Duncan, OK 73533 | Oil Operator | Jan 2025 |
| 6134 | TC3 Operating Co. | Dallas, TX 75248 | Oil & Gas Operator | Jul 1996 |
| 6135 | Tcina Inc | Seminole, OK 74868 | Oil & Gas Operator | May 2023 |
| 6136 | TD Oil & Gas LLC | Duncan, OK 73533-1851 | Oil Operator | Apr 2023 |
| 6137 | TD Operating Inc | Hinton, OK 73047 | Oil & Gas Operator | Jan 2025 |
| 6138 | Te-Ray Energy, Inc. | Oklahoma City, OK 73108 | Oil & Gas Operator | Dec 2024 |
| 6139 | Te-Ray Resources, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Mar 2025 |
| 6140 | Teafatiller Limuel & Rita | Marietta, OK 73448-0321 | Oil & Gas Operator | Feb 2002 |
| 6141 | Teale F William | Tulsa, OK 74136-1017 | Oil & Gas Operator | Jun 2000 |
| 6142 | Tec Pipeline LLC | Tulsa, OK 74128 | Oil & Gas Operator | Mar 2015 |
| 6143 | Tec Resources, L.L.C. | Tulsa, OK 74128 | Oil & Gas Operator | May 2013 |
| 6144 | Technical Energy Services, Inc. | Norman, OK 73070 | Oil & Gas Operator | Dec 2024 |
| 6145 | Tecolote Energy Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Jan 2024 |
| 6146 | Tee Cee'S Inc | Drumright, OK 74030-3855 | Oil & Gas Operator | Dec 2024 |
| 6147 | Teepee Oil & Gas Inc | Yukon, OK 73085 | Oil Operator | Dec 2006 |
| 6148 | Tekenergy, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 6149 | Tema Oil And Gas Company | Houston, TX 77084 | Oil & Gas Operator | Mar 2025 |
| 6150 | Tema Oil Company | Amarillo, TX 79101 | Oil & Gas Operator | Jun 2009 |
| 6151 | Temex Energy, Inc. | Oklahoma City, OK 73101 | Oil & Gas Operator | Feb 2002 |
| 6152 | Templar Operating LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2024 |
| 6153 | Ten Grand Energy Company Inc | Nachogdoches, TX 75963-1880 | Oil Operator | Mar 2011 |
| 6154 | Tenaska Marketing Ventures | Omaha, NE 68154 | Oil & Gas Operator | Mar 2021 |
| 6155 | Tenison Oil Company | Abilene, TX 79605 | Oil & Gas Operator | Mar 2025 |
| 6156 | Tenneco Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Dec 2024 |
| 6157 | Tennessee Gas Pipeline Company | Houston, TX 77252 | Oil & Gas Operator | Dec 2011 |
| 6158 | Tennyson Jerry Dba Tennyson Oil & Gas | Muskogee, OK 74401 | Oil Operator | Dec 2024 |
| 6159 | Teocalli Exploration LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2025 |
| 6160 | Tepee Petroleum Company, Inc. | Houston, TX 77098 | Oil & Gas Operator | Feb 2014 |
| 6161 | Terhune Harry C | Bartlesville, OK 74003 | Oil Operator | Feb 1997 |
| 6162 | Terhune Opal S | Bartlesville, OK 74006-0472 | Oil Operator | Nov 2024 |
| 6163 | Terra Production Company | Okemah, OK 74859-5924 | Oil & Gas Operator | Apr 2020 |
| 6164 | Terrapet Corporation | | Oil & Gas Operator | Jun 2011 |
| 6165 | Terrapin Energy LLC | Okmulgee, OK 74447 | Oil Operator | Jan 2025 |
| 6166 | Terraquest Corporation | Edmond, OK 73034 | Oil & Gas Operator | Jul 1997 |
| 6167 | Territory Resources LLC | Stillwater, OK 74074-1869 | Oil & Gas Operator | Feb 2025 |
| 6168 | Terry Jack | Konawa, OK 74849-0337 | Oil Operator | Feb 2012 |
| 6169 | Terry John Trust | Aurora, CO 80012-5112 | Oil & Gas Operator | May 2016 |
| 6170 | Terry Production Co | Stroud, OK 74079-0475 | Oil & Gas Operator | Aug 2008 |
| 6171 | Terzan Energy II LLC | Chandler, OK 74834 | Oil & Gas Operator | Dec 2024 |
| 6172 | Tesoro Expl. & Prod. Company | San Antonio, TX 78216 | Gas Operator | Sep 2010 |
| 6173 | Tessera Energy LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Dec 2024 |
| 6174 | Testco Production Company | Watonga, OK 73772-0589 | Oil & Gas Operator | Aug 2013 |
| 6175 | Tetra Energy LLC | Fort Smith, AR 72917-0476 | Gas Operator | Jun 2019 |
| 6176 | Tex-Ok Energy LP | Cody, WY 82414 | Oil & Gas Operator | Jan 2025 |
| 6177 | Tex-Star Production | Dallas, TX 75206 | Oil & Gas Operator | Jan 2025 |
| 6178 | Tex/Con Oil & Gas Company | Houston, TX 77074 | Oil & Gas Operator | Feb 2001 |
| 6179 | Texaco Exploration And Production Inc | Houston, TX 77236 | Oil & Gas Operator | Nov 2024 |
| 6180 | Texaco Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Dec 2017 |
| 6181 | Texaco Oils, Inc. | Tulsa, OK 74102-2420 | Oil & Gas Operator | Jan 2003 |
| 6182 | Texakoma Exploration & Production LLC | Plano, TX 75024 | Oil & Gas Operator | Oct 2024 |
| 6183 | Texakoma Oil & Gas Corp | Dallas, TX 75240 | Oil & Gas Operator | Sep 2014 |
| 6184 | Texakoma Operating, L.P. | Plano, TX 75024 | Oil & Gas Operator | Jan 2025 |
| 6185 | Texas American Oil Corporation | Midland, TX 79701 | Oil & Gas Operator | Jan 2001 |
| 6186 | Texas Crude Exploration, Inc. | Fort Worth, TX 76116 | Oil & Gas Operator | Aug 1992 |
| 6187 | Texas Energies, Inc. | Pratt, KS 67124 | Oil & Gas Operator | Aug 1998 |
| 6188 | Texas Energy & Environmental | Houston, TX 77070 | Oil & Gas Operator | Nov 1998 |
| 6189 | Texas Energy Mutual LLC | Grapevine, TX 76051-8145 | Oil Operator | Jun 2018 |
| 6190 | Texas Energy Operations, LC | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2025 |
| 6191 | Texas Meridian Operating Co. Inc | Houston, TX 77079 | Oil & Gas Operator | Oct 1993 |
| 6192 | Texas Mineral Group | Midland, TX 79705 | Oil & Gas Operator | Aug 2013 |
| 6193 | Texas Moran Exploration Company | Houston, TX 77098 | Oil & Gas Operator | Jun 2023 |
| 6194 | Texas Oil & Gas Corporation | Dallas, TX 75201 | Oil & Gas Operator | Feb 2001 |
| 6195 | Texas Southwest Gas LLC | Tulsa, OK 74121 | Oil & Gas Operator | Oct 2022 |
| 6196 | Texas United Petroleum Inc | Dallas, TX 75243 | Oil & Gas Operator | Jun 2003 |
| 6197 | Texasgulf Inc. | Newgulf, TX 77462 | Oil & Gas Operator | Jul 1994 |
| 6198 | Texcal Oil Inc. | Vidor, TX 77662 | Oil & Gas Operator | Jun 1999 |
| 6199 | Texcel Exploration, Inc. | Colorado SPGS, CO 80960 | Oil & Gas Operator | Mar 2025 |
| 6200 | Texican Crude & Hydrocarbons LLC | Houston, TX 77002 | Oil Operator | Sep 2023 |