| 29501 | Trenon Oil & Gas Inc | Oklahoma City, OK 73112-4279 | Oil & Gas Operator | Sep 1996 |
| 29502 | Trepco Production Company Inc | Yukon, OK 73099 | Oil & Gas Operator | Apr 2026 |
| 29503 | Trepel Petroleum Exploration & | | Oil & Gas Operator | Apr 2014 |
| 29504 | Tres Azores Oil & Gas, Inc. | Fort Worth, TX 76185 | Oil & Gas Operator | Aug 2003 |
| 29505 | Tres Operating Co., LLC | Katy, TX 77494 | Oil Operator | Jul 2026 |
| 29506 | Tres Piedras, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 1999 |
| 29507 | Tres Roughneckas WTX LLC | MC Camey, TX 79752 | Oil Operator | Jul 2026 |
| 29508 | Tresami, Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 2026 |
| 29509 | Tresco Energy LLC | Enid, OK 73703-3002 | Oil & Gas Operator | Apr 2026 |
| 29510 | Tresor Petroleum | | Oil & Gas Operator | Sep 1987 |
| 29511 | Tressler John R & IVa M | | Oil Operator | Apr 1989 |
| 29512 | Trestle Creek Properties, LLC | Manchaca, TX 78652 | Oil & Gas Operator | Jul 2026 |
| 29513 | Trey Exploration, Inc. | San Angelo, TX 76901 | Oil & Gas Operator | Dec 2019 |
| 29514 | Trey Operating Company | MC Camey, TX 79752 | Oil Operator | Jan 2016 |
| 29515 | Trey Resources Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2026 |
| 29516 | Trey Services, Inc. | Midland, TX 79711 | Oil & Gas Operator | Dec 1996 |
| 29517 | Tri "M" Oil & Gas | Muenster, TX 76252 | Oil & Gas Operator | Jul 2026 |
| 29518 | Tri City Oil Co., LLC | Winnie, TX 77665 | Oil Operator | Jul 2026 |
| 29519 | Tri Energy Resources, Inc. | Norman, OK 73070 | Oil Operator | Jul 2026 |
| 29520 | Tri Family Oil Co | | Oil Operator | Dec 2025 |
| 29521 | Tri Investment Company | | Oil Operator | Mar 1980 |
| 29522 | Tri Production Inc | Healdton, OK 73438 | Oil & Gas Operator | Apr 2026 |
| 29523 | Tri Sportsmen Energy, Inc. | Austin, TX 78746 | Oil & Gas Operator | Jul 2026 |
| 29524 | Tri Star Operating, Inc. | Arlington, TX 76012 | Oil & Gas Operator | Jan 2002 |
| 29525 | Tri United, Inc | Hays, KS 67601 | Oil Operator | Mar 2026 |
| 29526 | Tri-Am Operating Company | Frankston, TX 75763 | Oil & Gas Operator | Jul 2026 |
| 29527 | Tri-C Resources Partners I, LLC | Houston, TX 77024 | Oil & Gas Operator | Jul 2026 |
| 29528 | Tri-C Resources, Inc. | Houston, TX 77024 | Oil & Gas Operator | Aug 2009 |
| 29529 | Tri-C Resources, LLC | Houston, TX 77024 | Oil & Gas Operator | Jul 2026 |
| 29530 | Tri-City Drilling Joint Venture | Belpre, OH 45714 | Oil & Gas Operator | Dec 2024 |
| 29531 | Tri-City Energy Inc | Wilson, OK 73463-0196 | Oil Operator | Mar 2014 |
| 29532 | Tri-County Oil & Gas, Inc. | Fairmont, WV 26555-0000 | Oil & Gas Operator | Dec 2019 |
| 29533 | Tri-Dyne Resources, Inc. | Southern Pine, NC 28387 | Oil & Gas Operator | Feb 2000 |
| 29534 | Tri-Ex Corporation | | Oil & Gas Operator | Jan 1985 |
| 29535 | Tri-Ex Petroleum, L.P. | Amarillo, TX 79101 | Oil & Gas Operator | Jan 2013 |
| 29536 | Tri-Force Operating, L.L.C. | Royse City, TX 75189 | Oil & Gas Operator | Jul 2026 |
| 29537 | Tri-J Tubulars, Inc. | Wichita, KS 67202 | Oil Operator | Aug 1996 |
| 29538 | Tri-K Production Company, Inc. | Olney, TX 76374 | Oil & Gas Operator | Apr 1996 |
| 29539 | Tri-L Oil Co. | | Oil Operator | Sep 2015 |
| 29540 | Tri-Par Exploration, Inc. | | Oil Operator | Oct 2001 |
| 29541 | Tri-Production Company | | Oil Operator | Apr 1994 |
| 29542 | Tri-Quest Resources | | Oil & Gas Operator | Feb 1995 |
| 29543 | Tri-State Exploration & Prod Inc | Marshall, TX 75671 | Oil & Gas Operator | Aug 2003 |
| 29544 | Tri-State Pipeline Service Inc | Ninnekah, OK 73067-0189 | Oil & Gas Operator | Mar 2011 |
| 29545 | Tri-State Resources, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Sep 2012 |
| 29546 | Tri-State Sales & Production | Rodessa, LA 71069 | Oil & Gas Operator | Dec 2008 |
| 29547 | Tri-Tex Exploration LTD | Abilene, TX 79608 | Oil Operator | Apr 2019 |
| 29548 | Tri-Union Development Corp. | Houston, TX 77002 | Oil & Gas Operator | Jul 2026 |
| 29549 | Tri-Unity Inc | Sand Springs, OK 74063-4401 | Oil & Gas Operator | Jun 2009 |
| 29550 | Tri-Valley Oil & Gas Co. | | Oil & Gas Operator | Dec 2025 |
| 29551 | Tri-W Oil | Luling, TX 78648 | Oil Operator | Jul 2026 |
| 29552 | Tri-W Oil, Inc. | Luling, TX 78648 | Oil Operator | Apr 2007 |
| 29553 | Triad Energy Corp Of Texas | Houston, TX 77057-2696 | Oil & Gas Operator | Sep 2014 |
| 29554 | Triad Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Oct 2011 |
| 29555 | Triad Energy, Inc. | Oklahoma City, OK 73105-1401 | Oil & Gas Operator | May 2026 |
| 29556 | Triad Hunter, LLC | Spring, TX 77389 | Oil & Gas Operator | Dec 2021 |
| 29557 | Triad O&G, LLC | Dallas, TX 75225 | Oil & Gas Operator | Jul 2026 |
| 29558 | Triad Oil & Gas Co Inc | | Oil & Gas Operator | Jun 1994 |
| 29559 | Triad Resources Inc | Spring, TX 77389 | Oil & Gas Operator | Dec 2020 |
| 29560 | Triag Energy Operating, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jun 2014 |
| 29561 | Triana Energy LLC | Charleston, WV 25301-2815 | Gas Operator | Nov 2018 |
| 29562 | Triangle Development Co | Mahtomedi, MN 55115 | Gas Operator | Feb 1982 |
| 29563 | Triangle Energy Co. | Pampa, TX 79066 | Oil & Gas Operator | Nov 2000 |
| 29564 | Triangle Interprises Inc | Justin, TX 76247-0598 | Oil & Gas Operator | Jun 2015 |
| 29565 | Triangle J Oil Company | | Oil & Gas Operator | Mar 2007 |
| 29566 | Triangle Oil & G G Cornwell | | Oil & Gas Operator | Nov 1981 |
| 29567 | Triangle Oil Of Hosston | | Oil Operator | Jul 2014 |
| 29568 | Triangle Oil Producers Inc | | Oil & Gas Operator | Jun 1998 |
| 29569 | Triangle Operating Co., Inc. | | Gas Operator | Jan 2000 |
| 29570 | Triangle P Development Corp. | Bronte, TX 76933 | Oil & Gas Operator | Jul 2026 |
| 29571 | Triangle Three Resources L.L.C. | Dallas, TX 75248 | Oil & Gas Operator | Jul 2026 |
| 29572 | Triangle USA Petroleum Corporation | Denver, CO 80202 | Oil & Gas Operator | Jul 2021 |
| 29573 | Triax Energy LLC | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2018 |
| 29574 | Tribal Oil Company | | Oil & Gas Operator | Dec 1981 |
| 29575 | Tribar Resources LLC | | Oil & Gas Operator | Jun 2026 |
| 29576 | Tribune Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 29577 | Tricentrol Resources Inc | Englewood, CO 80111 | Oil & Gas Operator | Jun 1984 |
| 29578 | Trich Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Jan 2025 |
| 29579 | Trichel Contracting Company | | Oil & Gas Operator | Sep 1987 |
| 29580 | Trickle Down Oil, Inc. | | Oil & Gas Operator | Feb 2016 |
| 29581 | Trico Energy Corporation | | Oil Operator | May 1984 |
| 29582 | Trico Energy LLC | Hager Hill, KY 41222 | Oil Operator | Dec 2018 |
| 29583 | Trico Oil & Gas Inc. | Kilgore, TX 75662 | Oil & Gas Operator | Jul 2026 |
| 29584 | Trico/Tiger Development LLC | | Oil & Gas Operator | Dec 2020 |
| 29585 | Trident Corporation | Woodsboro, TX 78393 | Oil & Gas Operator | Jul 2026 |
| 29586 | Trident Oil & Gas Corp. | | Oil & Gas Operator | Sep 2000 |
| 29587 | Tridon Oil Inc | Lafayette, LA 70505-2305 | Gas Operator | Dec 2013 |
| 29588 | Triesco, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 1996 |
| 29589 | Triexco Inc | Tulsa, OK 74119 | Oil & Gas Operator | Dec 2012 |
| 29590 | Triforce Energy LLC | Littleton, CO 80122 | Oil & Gas Operator | Jul 2026 |
| 29591 | Trigeo Energy, LLC | Addison, TX 75001 | Oil & Gas Operator | Jul 2026 |
| 29592 | Trigg Drilling Company Inc | Oklahoma City, OK 73105 | Oil & Gas Operator | Jan 2013 |
| 29593 | Trigg Exploratio | | Gas Operator | Feb 1992 |
| 29594 | Trigg Oil Mining Corporation | | Oil & Gas Operator | Dec 2007 |
| 29595 | Trigger'S Disposal LLC | Sayre, OK 73662-2913 | Oil Operator | Sep 2022 |
| 29596 | Trigo Oil And Gas, LLC | Amarillo, TX 79101 | Oil & Gas Operator | Jul 2026 |
| 29597 | Trigon Exploration, Inc. | | Oil & Gas Operator | Jan 1999 |
| 29598 | Trilliant Energy Texas LTD | Tulsa, OK 74135-0767 | Oil & Gas Operator | Jun 2020 |
| 29599 | Trilogy Natural Resources LLC | Edmond, OK 73025 | Oil & Gas Operator | Apr 2026 |
| 29600 | Trilogy Operating, Inc. | Midland, TX 79708 | Oil & Gas Operator | Jul 2026 |