| 1001 | Thunderbird Operating, L.L.C. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 1002 | Thunderbird Resources LP | | Oil & Gas Operator | Apr 2019 |
| 1003 | Thunderbolt Construction Corp. | Louisburg, KS 66053 | Oil Operator | Oct 2024 |
| 1004 | Thunderbolt Oil & Gas, Inc. | Abilene, TX 79605 | Oil & Gas Operator | Feb 2004 |
| 1005 | Thunderbolt Petroleum Co. LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2011 |
| 1006 | Thunderbolt Petroleum, LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2013 |
| 1007 | Thunderstone Exploration, Inc. | | Oil & Gas Operator | Oct 2006 |
| 1008 | Thurber, Gueydon | Horseshoe Bay, TX 78657 | Oil Operator | May 2001 |
| 1009 | Thurner Energy Corporation | | Oil & Gas Operator | Dec 2001 |
| 1010 | Thurston Energy Operating | Vernal, UT 84078 | Oil & Gas Operator | Dec 2015 |
| 1011 | Thurston Texas Operating Co LLC | Dallas, TX 75219 | Oil Operator | Feb 2026 |
| 1012 | Tiara Resources, Inc. | Fort Worth, TX 76179 | Oil & Gas Operator | Apr 1998 |
| 1013 | Tiburon Oil & Gas, Inc. | Midland, TX 79701 | Oil & Gas Operator | Aug 2000 |
| 1014 | Tice, Robin Alejandrina | Gordon, TX 76453 | Gas Operator | Feb 2026 |
| 1015 | Tickel Jim & Cindy | Blackwell, OK 74631-6015 | Oil Operator | Jan 2013 |
| 1016 | Ticony Inc | | Oil & Gas Operator | Dec 1989 |
| 1017 | Tidal Petroleum, Inc. | Schertz, TX 78154 | Oil & Gas Operator | Feb 2026 |
| 1018 | Tidal Wave Energy, Inc. | New Castle, PA 16105 | Oil & Gas Operator | Jun 2022 |
| 1019 | Tidd, Frankie | Neosho Falls, KS 66758 | Oil Operator | Nov 1996 |
| 1020 | Tidd, Gary D. | Piqua, KS 66761 | Oil Operator | May 2016 |
| 1021 | Tide Energy, Inc. | Dallas, TX 75206 | Gas Operator | Oct 1994 |
| 1022 | Tide West Oil Company | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2021 |
| 1023 | Tideland Industries, Inc. | | Oil & Gas Operator | Dec 1989 |
| 1024 | Tidelands Gas Corporation | Flower Mound, TX 75028 | Oil & Gas Operator | Sep 2000 |
| 1025 | Tidelands Oil Corporation | Crystal City, TX 78839 | Oil & Gas Operator | Aug 2003 |
| 1026 | Tidelands Oil Production Co. | | Oil & Gas Operator | Dec 2025 |
| 1027 | Tidelands Resources, Inc. | | Gas Operator | Oct 1990 |
| 1028 | Tidemark Exploration | Tulsa, OK 74170 | Oil & Gas Operator | May 2005 |
| 1029 | Tidemark Exploration Inc | Tulsa, OK 74120 | Oil & Gas Operator | Apr 2019 |
| 1030 | Tidemark Petroleum, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2002 |
| 1031 | Tidewater Co | | Oil & Gas Operator | Sep 1967 |
| 1032 | Tidewater Minerals Corporation | Orange Grove, TX 78372 | Oil & Gas Operator | Feb 2026 |
| 1033 | Tidewater Operating Co Inc | Tulsa, OK 74136-6308 | Oil & Gas Operator | Nov 2025 |
| 1034 | Tidewater Resources Corporation | Memphis, TN 38138 | Gas Operator | Feb 2025 |
| 1035 | Tideway Oil Programs, Inc. | | Oil & Gas Operator | Oct 1980 |
| 1036 | Tidlow | Santa Fe, NM 87508 | Oil & Gas Operator | Dec 2007 |
| 1037 | Tidmore, Ann | Albany, TX 76430 | Oil & Gas Operator | Feb 2026 |
| 1038 | Tidwell Oil LLC | Roff, OK 74865 | Oil Operator | Feb 2022 |
| 1039 | Tidwell Production Company | Sonora, TX 76950 | Oil & Gas Operator | Feb 2026 |
| 1040 | Tierra Mineral Development, L.C. | Dallas, TX 75244 | Oil & Gas Operator | Oct 1994 |
| 1041 | Tierra Petroleum Corp. | | Oil & Gas Operator | Jun 1987 |
| 1042 | Tiffany Gas Co | Farmington, NM 87499 | Oil Operator | Jan 2010 |
| 1043 | Tigco Oil & Gas Co., Inc. | | Oil & Gas Operator | Nov 2014 |
| 1044 | Tiger Development LLC | | Oil & Gas Operator | Aug 2019 |
| 1045 | Tiger Energy Operating, LLC | Los Angeles, CA 90025 | Oil & Gas Operator | Jan 2026 |
| 1046 | Tiger Eye Resources LLC | Hockley, TX 77447-6911 | Oil Operator | Oct 2012 |
| 1047 | Tiger Mountain Gas & Oil | Oklahoma City, OK 73118 | Gas Operator | Sep 1999 |
| 1048 | Tiger Oil Company | Dallas, TX 75221 | Oil & Gas Operator | May 2007 |
| 1049 | Tiger Oil International, Inc | | Oil & Gas Operator | Dec 1978 |
| 1050 | Tiger Oil, Inc. | Canal Wincheste, OH 43110 | Oil & Gas Operator | Dec 2007 |
| 1051 | Tiger Petroleum | | Oil Operator | Sep 2002 |
| 1052 | Tiger Production Company, LLC | | Oil & Gas Operator | Aug 2021 |
| 1053 | Tiger Resources, L.L.C. | Houston, TX 77070 | Oil & Gas Operator | Feb 2004 |
| 1054 | Tiger Trucks Inc | Seminole, OK 74868 | Oil & Gas Operator | Dec 2025 |
| 1055 | Tigges Oil LLC | | Oil & Gas Operator | Dec 2022 |
| 1056 | Tightrock Enterprises, Inc. | Trinidad, TX 75163 | Oil Operator | Feb 2026 |
| 1057 | Tigner Walker | | Oil & Gas Operator | Dec 2021 |
| 1058 | Tigner Walker Et Al | | Oil & Gas Operator | Aug 2000 |
| 1059 | Tigrett, Robert L. Oil & Gas Co. | Pampa, TX 79065 | Oil & Gas Operator | Dec 2013 |
| 1060 | Tigrett, Terry A. Jr. | | Oil & Gas Operator | Oct 1980 |
| 1061 | Tiki Oil & Gas, LLC | Cisco, TX 76437 | Oil & Gas Operator | Feb 2026 |
| 1062 | Tilden Marcellus LLC | Houston, TX 77024-1358 | Gas Operator | May 2022 |
| 1063 | Tilford Pinson Exploration LLC | Edmond, OK 73003 | Oil & Gas Operator | Nov 2025 |
| 1064 | Tilghman Operating, LLC. | | Oil & Gas Operator | Dec 2025 |
| 1065 | Tilley Matt Dba Tilley Oil Co | Skiatook, OK 74070 | Oil & Gas Operator | Nov 2025 |
| 1066 | Tilley Oil & Gas, Inc. | Oklahoma City, OK 73172 | Oil & Gas Operator | Feb 2026 |
| 1067 | Tilley Oil Inc | Velma, OK 73491 | Oil & Gas Operator | Dec 2025 |
| 1068 | Tillman A. Rousse | | Oil Operator | Jan 1990 |
| 1069 | Tillman A. Rousse, Inc. | | Oil Operator | Apr 2001 |
| 1070 | Tillman Consulting LLC Dba B & C Operating | Mustang, OK 73064-8195 | Oil Operator | Jan 2022 |
| 1071 | Tillman J. McIntyre | | Oil Operator | Dec 1987 |
| 1072 | Tillman, Jack Equipment Co. | Holliday, TX 76366 | Oil & Gas Operator | Sep 2004 |
| 1073 | Tilmon Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Sep 2012 |
| 1074 | Tilton Oil & Gas | Lowell, OH 45744 | Oil & Gas Operator | Dec 2024 |
| 1075 | Tim Brookover | | Oil & Gas Operator | Dec 2005 |
| 1076 | Timber Hill Energy | Pawhuska, OK 74056 | Oil & Gas Operator | Jun 2011 |
| 1077 | Timber River Dev Corp | Mayport, PA 16240-2613 | Oil & Gas Operator | Dec 2025 |
| 1078 | Timbercreek Oil Company LLC | Healdton, OK 73438 | Oil Operator | Oct 2025 |
| 1079 | Timberlake Energy Corporation | Cypress, TX 77429 | Oil Operator | Nov 2013 |
| 1080 | Timberline Energy Inc | Franklin, PA 16323-0269 | Oil & Gas Operator | Dec 2025 |
| 1081 | Timberline Oil & | | Oil & Gas Operator | Jul 1995 |
| 1082 | Timberline Oil & Gas | | Oil & Gas Operator | Sep 1995 |
| 1083 | Timberline Oil & Gas Corporation | Rapid City, SD 57702 | Oil & Gas Operator | Sep 2025 |
| 1084 | Timberline Oil & Gas, LLC | Seminole, TX 79360 | Oil Operator | Mar 2025 |
| 1085 | Timberline Oil Co | Billings, MT 59103 | Oil & Gas Operator | Dec 1993 |
| 1086 | Timberline Production Company LLC | Casper, WY 82601 | Oil & Gas Operator | Oct 2020 |
| 1087 | Timberwolf Energy, Inc. | Houston, TX 77042 | Oil & Gas Operator | Feb 2026 |
| 1088 | Timbuck Resources LLC | Fredericktown, OH 43019-0117 | Oil & Gas Operator | Dec 2005 |
| 1089 | Timco Oil Co. | | Oil & Gas Operator | Dec 1987 |
| 1090 | Time Energy, L.L.C. | | Oil & Gas Operator | Nov 2020 |
| 1091 | Timka Resources, LTD | | Oil & Gas Operator | Jan 2026 |
| 1092 | Timn Oil Co. | Lubbock, TX 79424 | Oil & Gas Operator | Aug 1997 |
| 1093 | Timothy Chambers | Punxsutawney, PA 15767-1821 | Gas Operator | Dec 2025 |
| 1094 | Tindall Operating Company | Englewood, CO 80112 | Oil & Gas Operator | Jan 2025 |
| 1095 | Tindle Petroleum LLC | Midland, TX 79701 | Oil & Gas Operator | Jan 2023 |
| 1096 | Tindol Jr Robert | Ryan, OK 73565 | Oil Operator | Oct 2009 |
| 1097 | Tingue, Jeffrey L. | Delevan, NY 14042 | Gas Operator | Dec 2024 |
| 1098 | Tinsmon, J. Corry | Wichita, KS 67226 | Oil Operator | Dec 2009 |
| 1099 | Tipco | Shreveport, LA 71104-3047 | Oil & Gas Operator | May 1988 |
| 1100 | Tipco Operating Co. | Marshall, TX 75671 | Oil & Gas Operator | Feb 2026 |