| 1 | Tacor Resources Inc | Midland, TX 79705 | Oil & Gas Operator | Oct 2025 |
| 2 | Tahoe Energy, Inc. | Midland, TX 79703 | Oil & Gas Operator | Jul 1996 |
| 3 | Tamarack Petroleum Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 4 | Tandem Energy Corporation | Houston, TX 77056 | Oil & Gas Operator | Oct 2025 |
| 5 | Tanos Exploration II, LLC | Tyler, TX 75701 | Oil & Gas Operator | Sep 2023 |
| 6 | Tap Rock Operating, LLC | Denver, CO 80203 | Oil & Gas Operator | Oct 2025 |
| 7 | Tatanka Operating, LLC | Whitesboro, TX 76273 | Oil & Gas Operator | Oct 2025 |
| 8 | Taurus Exploration U.S.A., Inc. | Midland, TX 79705 | Oil & Gas Operator | Nov 1998 |
| 9 | Taylor, J. S. Inc. | Lewisville, TX 75057 | Oil & Gas Operator | Oct 2025 |
| 10 | Taylor-Link Operating Co. | Midland, TX 79702 | Oil & Gas Operator | Apr 2017 |
| 11 | TCF Energy, Inc. | Midland, TX 79704 | Oil & Gas Operator | Dec 2004 |
| 12 | TD Oil & Gas LLC | Duncan, OK 73533-1851 | Oil Operator | Apr 2023 |
| 13 | Teakwood Operating LLC | Midland, TX 79701 | Oil & Gas Operator | Nov 2019 |
| 14 | Teke Production LLC | Houston, TX 77269 | Oil Operator | Oct 2025 |
| 15 | Tekna Synergy Corporation | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 16 | Telesis Operating Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Oct 2025 |
| 17 | Tema Oil And Gas Company | Houston, TX 77084 | Oil & Gas Operator | Oct 2025 |
| 18 | Tema Oil And Gas, LLC | Houston, TX 77040 | Oil & Gas Operator | Apr 2000 |
| 19 | Tempo Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 20 | Terrace Petroleum Corporation | Midland, TX 79701 | Oil & Gas Operator | Jul 2013 |
| 21 | Texaco E & P Inc | Houston, TX 77099 | Oil & Gas Operator | Oct 2025 |
| 22 | Texakoma Oil & Gas Corp | Dallas, TX 75240 | Oil & Gas Operator | Sep 2014 |
| 23 | Texan Petroleum Corporation | Dallas, TX 75204 | Oil & Gas Operator | Oct 2004 |
| 24 | Texas Consolidated Pet. Corp. | Fort Worth, TX 76109 | Oil & Gas Operator | Oct 2025 |
| 25 | Texas Crude Operator, Inc. | Houston, TX 77098 | Oil & Gas Operator | Aug 2017 |
| 26 | Texas Investments | San Angelo, TX 76904 | Oil & Gas Operator | Mar 2008 |
| 27 | Texas Vanguard Oil Company | Austin, TX 78720 | Oil & Gas Operator | Jan 2014 |
| 28 | Texasgulf Inc. | Newgulf, TX 77462 | Oil & Gas Operator | Jul 1994 |
| 29 | Texcal Resources, Inc. | Plano, TX 75094 | Oil & Gas Operator | Apr 1994 |
| 30 | Thagard Trust | Rancho Santo, CA 92688 | Gas Operator | Oct 2025 |
| 31 | Thigpin Operating, LLC | Odessa, TX 79762 | Oil Operator | Oct 2025 |
| 32 | Thomas Exploration & Devel., Inc | Jourdanton, TX 78026 | Oil & Gas Operator | Oct 2025 |
| 33 | Thomas Oil And Gas Inc. | San Angelo, TX 76906 | Oil & Gas Operator | May 2019 |
| 34 | Thompson, J. Cleo | Dallas, TX 75201 | Oil & Gas Operator | May 2024 |
| 35 | Thorp Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Feb 2014 |
| 36 | Three Rivers Operating Co II LLC | Austin, TX 78735 | Oil & Gas Operator | Mar 2017 |
| 37 | Three Rivers Operating Co LLC | Austin, TX 78735 | Oil & Gas Operator | Mar 2017 |
| 38 | Three Span Oil & Gas, Inc. | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 39 | Three-B Oil Company, The | Monahans, TX 79756 | Oil & Gas Operator | Oct 2025 |
| 40 | Throne Delaware Resources, LLC | McKinney, TX 75072 | Oil & Gas Operator | Dec 2021 |
| 41 | Throne Petroleum Resources LLC | Houston, TX 77006 | Oil & Gas Operator | Aug 2021 |
| 42 | Thunder Resources LLC | Graham, TX 76450 | Oil Operator | Oct 2025 |
| 43 | Tidlow | Santa Fe, NM 87508 | Oil & Gas Operator | Dec 2007 |
| 44 | Tidwell Production Company | Sonora, TX 76950 | Oil & Gas Operator | Oct 2025 |
| 45 | Tindle Petroleum LLC | Midland, TX 79701 | Oil & Gas Operator | Jan 2023 |
| 46 | Tipperary Oil & Gas Corp | Denver, CO 80202 | Oil & Gas Operator | May 2014 |
| 47 | Titan Resources I, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jun 2000 |
| 48 | TMBR/Sharp Drilling, Inc. | Midland, TX 79703 | Oil & Gas Operator | Feb 2004 |
| 49 | Toc Energy Resources, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Oct 2025 |
| 50 | Topat Oil Corporation | Midland, TX 79701 | Oil & Gas Operator | Sep 2017 |
| 51 | Torch Energy Services, Inc. | Houston, TX 77010 | Oil & Gas Operator | Sep 2011 |
| 52 | TPC Exploration, LLC | May, TX 76857 | Oil & Gas Operator | Oct 2025 |
| 53 | Trace Operating, LLC | Fort Worth, TX 76116 | Oil & Gas Operator | Oct 2025 |
| 54 | Trackstar Energies LLC | Colorado Springs, CO 80919-3233 | Oil Operator | Mar 2023 |
| 55 | Tradition Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2014 |
| 56 | Tradition Resources Oper, LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2017 |
| 57 | Travers Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Oct 2025 |
| 58 | Treadaway Oil Co. | Balmorhea, TX 79718 | Oil & Gas Operator | Oct 2025 |
| 59 | Trek Oil & Gas, Inc | Houston, TX 77002 | Oil Operator | Mar 1998 |
| 60 | Tres Roughneckas WTX LLC | MC Camey, TX 79752 | Oil Operator | Oct 2025 |
| 61 | Trey Operating Company | MC Camey, TX 79752 | Oil Operator | Jan 2016 |
| 62 | Triag Energy Operating, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jun 2014 |
| 63 | Trilogy Operating, Inc. | Midland, TX 79708 | Oil & Gas Operator | Oct 2025 |
| 64 | Trinity Bay Oil & Gas, Inc. | Lubbock, TX 79416 | Oil & Gas Operator | Oct 2025 |
| 65 | Triple "N" Services, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 66 | Tripp & Sons, LLC | Odessa, TX 79768 | Oil & Gas Operator | Oct 2025 |
| 67 | Tristar Exploration, Inc | Pflugerville, TX 78660 | Oil & Gas Operator | Oct 2025 |
| 68 | Triumph Exploration, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 69 | Trout Oil Company, Inc. | Odessa, TX 79762 | Oil & Gas Operator | Oct 2025 |
| 70 | Tumbleweed Energy Limited | Midland, TX 79704 | Oil & Gas Operator | Dec 2022 |
| 71 | Twins Oil Co. | Monahans, TX 79756 | Oil & Gas Operator | Oct 2025 |
| 72 | Two Black Bears Oil, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2003 |