| 29501 | T L C Oil Inc | Seminole, OK 74868 | Oil & Gas Operator | Nov 2025 |
| 29502 | T M Hopkins Operating Co | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2002 |
| 29503 | T P Production Co | Denver, CO 80202 | Oil & Gas Operator | Nov 1996 |
| 29504 | T S B T Oil & Gas Properties | Moore, OK 73160-8126 | Oil & Gas Operator | Jan 2018 |
| 29505 | T T & T Inc | Shawnee, OK 74802-3694 | Oil & Gas Operator | Jan 1994 |
| 29506 | T W Clemons Operating Co., LLC | Minden, LA 71055 | Oil & Gas Operator | Feb 2026 |
| 29507 | T W Law LLC | Muskogee, OK 74403-6736 | Oil Operator | Nov 2025 |
| 29508 | T Willoughby, LLC | Ada, OK 74820 | Oil Operator | Nov 2025 |
| 29509 | T X P Inc Formerly Petrotech Inc | | Oil Operator | Jul 1992 |
| 29510 | T&R Energy Services | Pampa, TX 79065 | Oil & Gas Operator | Feb 2026 |
| 29511 | T&T Energy LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 29512 | T, F & B Oil Company, LLC | | Oil Operator | Jan 2013 |
| 29513 | T-5 Leasing, LLC | | Oil Operator | Dec 2013 |
| 29514 | T-Bar Exploration, Inc. | Sterling, KS 67579 | Oil Operator | Apr 1998 |
| 29515 | T-Bar-X Limited Company | Houston, TX 77057 | Oil & Gas Operator | Dec 2005 |
| 29516 | T-Boc Inc. | | Oil & Gas Operator | Apr 2016 |
| 29517 | T-C Oil Company, LLC | Refugio, TX 78377 | Oil & Gas Operator | Feb 2026 |
| 29518 | T-D Oil Inc | Cement, OK 73017-0065 | Oil & Gas Operator | May 2020 |
| 29519 | T-K Exploration Company | Oklahoma City, OK 73102-7029 | Oil & Gas Operator | Mar 2015 |
| 29520 | T-M Well Service | Jefferson, TX 75657 | Oil & Gas Operator | Sep 2004 |
| 29521 | T-M Well Service, L.L.C. | Jefferson, TX 75657 | Oil & Gas Operator | Dec 2024 |
| 29522 | T-N-T Engineering, Inc. | Fort Worth, TX 76107 | Oil & Gas Operator | Feb 2026 |
| 29523 | T-R Oil | Mapleton, KS 66754 | Oil & Gas Operator | May 2018 |
| 29524 | T-Rex Oil Inc | Broomfield, CO 80021 | Oil Operator | Feb 2011 |
| 29525 | T-Square Petroleum | Rising Star, TX 76471 | Oil & Gas Operator | Feb 2026 |
| 29526 | T-Square Petroleum Co. | Rising Star, TX 76471 | Oil & Gas Operator | Feb 2026 |
| 29527 | T-Y Development Corp | Perryton, TX 79070 | Oil & Gas Operator | Feb 2026 |
| 29528 | T. A. Atkinson Opr. | | Gas Operator | Dec 1997 |
| 29529 | T. A. W. Company | Kingsbury, TX 78638 | Oil & Gas Operator | Feb 2026 |
| 29530 | T. And M. Production | Oil City, LA 71061 | Oil & Gas Operator | Feb 2026 |
| 29531 | T. C. Morrow Oil Co. | | Oil & Gas Operator | Apr 1991 |
| 29532 | T. D. Tedder | | Oil Operator | Dec 1991 |
| 29533 | T. E. Adams Petroleum Corp. | | Oil & Gas Operator | Nov 2025 |
| 29534 | T. J. Guido | | Oil & Gas Operator | Oct 1998 |
| 29535 | T. J. Lundy | | Oil Operator | Jan 2025 |
| 29536 | T. J. Oil And Gas, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2002 |
| 29537 | T. J. Operating Co., Inc. | | Oil & Gas Operator | Aug 1998 |
| 29538 | T. K. Stanley, Inc. | | Oil & Gas Operator | Jul 1982 |
| 29539 | T. L. J. Incorporated | Big Lake, TX 76932 | Oil & Gas Operator | Dec 1998 |
| 29540 | T. L. James & Co., Inc. | | Oil & Gas Operator | Oct 1992 |
| 29541 | T. M. Hopkins | | Oil & Gas Operator | Aug 2007 |
| 29542 | T. N. T. Energy Co. | Belcher, LA 71004 | Oil Operator | May 1991 |
| 29543 | T. N. T. Inc. | | Oil & Gas Operator | Jan 1987 |
| 29544 | T. N. T. Tribal - Luffey | | Gas Operator | Oct 1994 |
| 29545 | T. O. Kimbrell, LLC | | Oil & Gas Operator | Dec 2025 |
| 29546 | T. R. Production, Inc. | Pilot Point, TX 76258 | Oil & Gas Operator | Jul 2021 |
| 29547 | T. T. Production, Inc. | Haviland, KS 67059 | Oil & Gas Operator | Feb 2008 |
| 29548 | T. W. Drilling Co. | Abilene, TX 79601 | Oil & Gas Operator | Aug 2002 |
| 29549 | T. W. McGuire & Associates, Inc. | | Oil & Gas Operator | Nov 2018 |
| 29550 | T. West Bullock, SR. | | Oil & Gas Operator | Mar 1989 |
| 29551 | T.B. Lanford Et Al | | Oil Operator | Apr 1987 |
| 29552 | T.C.G. Oil Co. | Iola, KS 66749 | Oil Operator | Sep 2009 |
| 29553 | T.C.G. Oil Co., A General Partnership | Laharpe, KS 66755 | Oil Operator | Aug 2009 |
| 29554 | T.D. Operating Company, Inc. | New Braunfels, TX 78130 | Oil & Gas Operator | Nov 1999 |
| 29555 | T.F. Well Service, L.L.C. | Iowa Park, TX 76367 | Oil Operator | Feb 2026 |
| 29556 | T.G. Energy Co. | Abilene, TX 79602 | Oil & Gas Operator | Mar 2008 |
| 29557 | T.G.B., Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 29558 | T.J. Oil | | Oil Operator | Sep 2025 |
| 29559 | T.L.S. Oil Co. | Hawley, TX 79525 | Oil & Gas Operator | Feb 2026 |
| 29560 | T.O. Greer Productions | | Oil & Gas Operator | Aug 2013 |
| 29561 | T.O.F., Inc. | | Oil & Gas Operator | Dec 2002 |
| 29562 | T.O.I. | Midland, TX 79710 | Oil & Gas Operator | Mar 2001 |
| 29563 | T.W.O. (Taylor Well Operating) | Missoula, MT 59803 | Oil & Gas Operator | Dec 2025 |
| 29564 | T2 Operating Corporation | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 29565 | Tab Operating, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 29566 | Tabbs Bay Production Company | Houston, TX 77019 | Oil Operator | Feb 2026 |
| 29567 | Tabco Exploration Inc. | New Orleans, LA 70131 | Oil & Gas Operator | Dec 1998 |
| 29568 | Tabco Producing Co. | | Oil & Gas Operator | Jan 1998 |
| 29569 | Taber Oil Co | | Oil Operator | Sep 2018 |
| 29570 | Taber, Alan R. | La Vernia, TX 78121 | Oil Operator | Feb 2026 |
| 29571 | Taber, Grover E. Jr. | Cocoa, FL 32926 | Gas Operator | Dec 2024 |
| 29572 | Tabor Creek Oil Company | Albany, TX 76430 | Oil & Gas Operator | Feb 2026 |
| 29573 | Tabor, Danny | Scottsville, KY 42164 | Oil Operator | Dec 2023 |
| 29574 | Tabula Rasa Energy, LLC | Allen, TX 75013 | Oil & Gas Operator | Dec 2020 |
| 29575 | Tacitus, LLC | Farmington, NM 87401 | Oil & Gas Operator | Dec 2025 |
| 29576 | Tack Operating LLC | Oklahoma City, OK 73172-1492 | Oil & Gas Operator | Aug 2021 |
| 29577 | Tackett & Sons DRLG Contractors, Inc | Salyersville, , K 41465 | Oil & Gas Operator | Dec 2023 |
| 29578 | Tacor Resources Inc | Midland, TX 79705 | Oil & Gas Operator | Feb 2026 |
| 29579 | Tactical Oil & Gas, LLC | Odessa, TX 79768 | Oil & Gas Operator | Feb 2026 |
| 29580 | Tactical Operating Company, LLC | Houston, TX 77042 | Oil & Gas Operator | Feb 2026 |
| 29581 | Tadlock Properites | | Oil & Gas Operator | Jan 1994 |
| 29582 | Taft Investment Co., Inc. | Taft, TX 78390 | Oil Operator | Feb 2026 |
| 29583 | Taft Oil And Gas LLC | Bonham, TX 75418 | Oil & Gas Operator | Dec 2018 |
| 29584 | Tag Enterprises Inc | Shelocta, PA 15774-0310 | Gas Operator | Dec 2016 |
| 29585 | Tag Oil | La Vernia, TX 78121 | Oil Operator | Feb 2026 |
| 29586 | Tag Oil Co LLC | Ringling, OK 73456 | Oil & Gas Operator | Nov 2025 |
| 29587 | Tag Operating Company, Inc. | Houston, TX 77092 | Oil & Gas Operator | Feb 2026 |
| 29588 | Tag Petroleum Inc | Stillwater, OK 74076 | Oil & Gas Operator | Jan 2021 |
| 29589 | Tag Team Resources LLC | Eufaula, OK 74432 | Oil & Gas Operator | Nov 2025 |
| 29590 | Taggart Oil Co., Inc. | | Oil Operator | Oct 1992 |
| 29591 | Tahiti PTRS Enrgy Solutions Corp | Long Beach, CA 90807 | Oil Operator | Feb 2026 |
| 29592 | Tahoe Corporation | | Gas Operator | Feb 2023 |
| 29593 | Tahoe Energy, Inc. | Midland, TX 79703 | Oil & Gas Operator | Jul 1996 |
| 29594 | Tahoe Exploration Inc. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2016 |
| 29595 | Tailwater, Inc. | Oklahoma City, OK 73154 | Oil Operator | Aug 2024 |
| 29596 | Takacs, Ray W. | North Huntington, PA 15642 | Gas Operator | Dec 2024 |
| 29597 | Tal-Con, Inc. | Houston, TX 77279 | Oil & Gas Operator | Feb 2026 |
| 29598 | Tala Energy LLC | College Sta, TX 77842 | Oil & Gas Operator | Feb 2026 |
| 29599 | Talaria Oil & Gas LLC | Denver, CO 80203 | Oil Operator | Feb 2026 |
| 29600 | Talbert, Eugene Operating Co,Inc | Tyler, TX 75702 | Oil & Gas Operator | Dec 1997 |