| 29401 | Tri-State Exploration & Prod Inc | Marshall, TX 75671 | Oil & Gas Operator | Aug 2003 |
| 29402 | Tri-State Pipeline Service Inc | Ninnekah, OK 73067-0189 | Oil & Gas Operator | Mar 2011 |
| 29403 | Tri-State Resources, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Sep 2012 |
| 29404 | Tri-State Sales & Production | Rodessa, LA 71069 | Oil & Gas Operator | Dec 2008 |
| 29405 | Tri-Tex Exploration LTD | Abilene, TX 79608 | Oil Operator | Apr 2019 |
| 29406 | Tri-Union Development Corp. | Houston, TX 77002 | Oil & Gas Operator | Apr 2026 |
| 29407 | Tri-Unity Inc | Sand Springs, OK 74063-4401 | Oil & Gas Operator | Jun 2009 |
| 29408 | Tri-Valley Oil & Gas Co. | | Oil & Gas Operator | Dec 2025 |
| 29409 | Tri-W Oil | Luling, TX 78648 | Oil Operator | Apr 2026 |
| 29410 | Tri-W Oil, Inc. | Luling, TX 78648 | Oil Operator | Apr 2007 |
| 29411 | Triad Energy Corp Of Texas | Houston, TX 77057-2696 | Oil & Gas Operator | Sep 2014 |
| 29412 | Triad Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Oct 2011 |
| 29413 | Triad Energy, Inc. | Oklahoma City, OK 73105-1401 | Oil & Gas Operator | Jan 2026 |
| 29414 | Triad Hunter, LLC | Spring, TX 77389 | Oil & Gas Operator | Dec 2021 |
| 29415 | Triad O&G, LLC | Dallas, TX 75225 | Oil & Gas Operator | Apr 2026 |
| 29416 | Triad Oil & Gas Co Inc | | Oil & Gas Operator | Jun 1994 |
| 29417 | Triad Resources Inc | Spring, TX 77389 | Oil & Gas Operator | Dec 2020 |
| 29418 | Triag Energy Operating, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jun 2014 |
| 29419 | Triana Energy LLC | Charleston, WV 25301-2815 | Gas Operator | Nov 2018 |
| 29420 | Triangle Development Co | Mahtomedi, MN 55115 | Gas Operator | Feb 1982 |
| 29421 | Triangle Energy Co. | Pampa, TX 79066 | Oil & Gas Operator | Nov 2000 |
| 29422 | Triangle Interprises Inc | Justin, TX 76247-0598 | Oil & Gas Operator | Jun 2015 |
| 29423 | Triangle J Oil Company | | Oil & Gas Operator | Mar 2007 |
| 29424 | Triangle Oil & G G Cornwell | | Oil & Gas Operator | Nov 1981 |
| 29425 | Triangle Oil Of Hosston | | Oil Operator | Jul 2014 |
| 29426 | Triangle Oil Producers Inc | | Oil & Gas Operator | Jun 1998 |
| 29427 | Triangle Operating Co., Inc. | | Gas Operator | Jan 2000 |
| 29428 | Triangle P Development Corp. | Bronte, TX 76933 | Oil & Gas Operator | Apr 2026 |
| 29429 | Triangle Three Resources L.L.C. | Dallas, TX 75240 | Oil & Gas Operator | Oct 2024 |
| 29430 | Triangle USA Petroleum Corporation | Denver, CO 80202 | Oil & Gas Operator | Jul 2021 |
| 29431 | Triax Energy LLC | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2018 |
| 29432 | Tribal Oil Company | | Oil & Gas Operator | Dec 1981 |
| 29433 | Tribar Resources LLC | | Oil & Gas Operator | Feb 2026 |
| 29434 | Tribune Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 29435 | Tricentrol Resources Inc | Englewood, CO 80111 | Oil & Gas Operator | Jun 1984 |
| 29436 | Trich Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Jan 2025 |
| 29437 | Trichel Contracting Company | | Oil & Gas Operator | Sep 1987 |
| 29438 | Trickle Down Oil, Inc. | | Oil & Gas Operator | Feb 2016 |
| 29439 | Trico Energy Corporation | | Oil Operator | May 1984 |
| 29440 | Trico Energy LLC | Hager Hill, KY 41222 | Oil Operator | Dec 2018 |
| 29441 | Trico Oil & Gas Inc. | Kilgore, TX 75662 | Oil & Gas Operator | Apr 2026 |
| 29442 | Trico/Tiger Development LLC | | Oil & Gas Operator | Dec 2020 |
| 29443 | Trident Corporation | Woodsboro, TX 78393 | Oil & Gas Operator | Apr 2026 |
| 29444 | Trident Oil & Gas Corp. | | Oil & Gas Operator | Sep 2000 |
| 29445 | Tridon Oil Inc | Lafayette, LA 70505-2305 | Gas Operator | Dec 2013 |
| 29446 | Triesco, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 1996 |
| 29447 | Triexco Inc | Tulsa, OK 74119 | Oil & Gas Operator | Dec 2012 |
| 29448 | Triforce Energy LLC | Littleton, CO 80122 | Oil & Gas Operator | Apr 2026 |
| 29449 | Trigeo Energy, LLC | Addison, TX 75001 | Oil & Gas Operator | Apr 2026 |
| 29450 | Trigg Drilling Company Inc | Oklahoma City, OK 73105 | Oil & Gas Operator | Jan 2013 |
| 29451 | Trigg Exploratio | | Gas Operator | Feb 1992 |
| 29452 | Trigg Oil Mining Corporation | | Oil & Gas Operator | Dec 2007 |
| 29453 | Trigger'S Disposal LLC | Sayre, OK 73662-2913 | Oil Operator | Sep 2022 |
| 29454 | Trigo Oil And Gas, LLC | Amarillo, TX 79101 | Oil & Gas Operator | Mar 2022 |
| 29455 | Trigon Exploration, Inc. | | Oil & Gas Operator | Jan 1999 |
| 29456 | Trilliant Energy Texas LTD | Tulsa, OK 74135-0767 | Oil & Gas Operator | Jun 2020 |
| 29457 | Trilogy Natural Resources LLC | Edmond, OK 73025 | Oil & Gas Operator | Dec 2025 |
| 29458 | Trilogy Operating, Inc. | Midland, TX 79708 | Oil & Gas Operator | Apr 2026 |
| 29459 | Trimble & Maclaskey Oil LLC | Gridley, KS 66852 | Oil Operator | Dec 2025 |
| 29460 | Trimble, Don G Dba Trimble Production Company | Houston, TX 77066 | Oil Operator | Jan 2025 |
| 29461 | Trimble, IVal L. | Gridley, KS 66852 | Oil Operator | Dec 2019 |
| 29462 | Trimont Energy LLC | Pittsburgh, PA 15211-1205 | Oil & Gas Operator | Dec 2016 |
| 29463 | Trineha Inc | Ardmore, OK 73402-2478 | Oil & Gas Operator | Jun 2009 |
| 29464 | Trinidad Energy, LLC | Midland, TX 79708 | Oil & Gas Operator | Apr 2026 |
| 29465 | Trinidad Exploration, Inc. | Tyler, TX 75703 | Oil & Gas Operator | Mar 2008 |
| 29466 | Trinidad Petroleum Corporation | | Oil & Gas Operator | Apr 1990 |
| 29467 | Trinidad Petroleum, Inc. | Austin, TX 78711 | Oil & Gas Operator | Apr 2026 |
| 29468 | Trinidad Resources, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Apr 2026 |
| 29469 | Trinity Bay Oil & Gas, Inc. | Lubbock, TX 79416 | Oil & Gas Operator | Apr 2026 |
| 29470 | Trinity Energy Corp | Gibsonia, PA 15044-9106 | Oil & Gas Operator | Dec 2007 |
| 29471 | Trinity Eor, LLC | Midland, TX 79701 | Oil & Gas Operator | Jan 2019 |
| 29472 | Trinity Exploration Co | | Oil Operator | Dec 1998 |
| 29473 | Trinity Gas Corporation | Edmond, OK 73003 | Oil & Gas Operator | Apr 2026 |
| 29474 | Trinity Gas Storage, LLC | Flower Mound, TX 75028 | Oil & Gas Operator | Apr 2026 |
| 29475 | Trinity Group LLC | | Oil Operator | Dec 1997 |
| 29476 | Trinity Mineral Partners LLC | Pittsburgh, PA 15238-2718 | Oil & Gas Operator | Dec 2025 |
| 29477 | Trinity Minerals&Operating Corp. | Abilene, TX 79605 | Oil & Gas Operator | Dec 1995 |
| 29478 | Trinity Oil & Gas Dev Inc | | Oil & Gas Operator | Jun 1994 |
| 29479 | Trinity Oil & Gas Inc | Pauls Valley, OK 73075 | Oil Operator | Dec 2025 |
| 29480 | Trinity Oil & Gas Producers LLC | Allen, OK 74825 | Oil & Gas Operator | Jan 2026 |
| 29481 | Trinity Operating & Prod., Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 29482 | Trinity Operating (Usg), LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2026 |
| 29483 | Trinity Resources, Inc. | Houston, TX 77277 | Oil & Gas Operator | May 2020 |
| 29484 | Trinity River Energy Oper, LLC | Houston, TX 77008 | Oil & Gas Operator | May 2018 |
| 29485 | Trinity River Energy, LLC | Houston, TX 77094 | Oil & Gas Operator | Aug 2015 |
| 29486 | Trinity River Operating Company | Oklahoma City, OK 73147 | Oil & Gas Operator | Apr 2026 |
| 29487 | Trinity University & Closuit | Loco Hills, NM 88255 | Oil & Gas Operator | Dec 2002 |
| 29488 | Trio Consulting & Management,LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2026 |
| 29489 | Trio Oil And Gas Company | Salem, WV 26426 | Oil & Gas Operator | Nov 2021 |
| 29490 | Trio Oil Co | Hobbs, NM 88240 | Oil & Gas Operator | Feb 2004 |
| 29491 | Trio Operating Company, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2006 |
| 29492 | Trio Petroleum Corp. | Glenville, WV 26351-0880 | Oil & Gas Operator | Jul 2016 |
| 29493 | Trio Petroleum LLC | | Oil & Gas Operator | Dec 2025 |
| 29494 | Trio Production Company, LLC | Stephens, AR 71764 | Oil Operator | Jan 2025 |
| 29495 | Triple "B" Production DRLG Inc | Poynor, TX 75782 | Oil & Gas Operator | Sep 2022 |
| 29496 | Triple "G" Oil Company | Clyde, TX 79510 | Oil & Gas Operator | Apr 1999 |
| 29497 | Triple "N" Services, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 29498 | Triple "S" Gas, Inc. | Louisville, KY 40255 | Oil & Gas Operator | Jan 2026 |
| 29499 | Triple "S" Resources Inc | Sapulpa, OK 74066 | Oil & Gas Operator | Jun 1995 |
| 29500 | Triple "S" Well Service, Inc. | Eureka, KS 67045 | Oil Operator | Nov 2025 |