| 29801 | Tri-City Energy Inc | Wilson, OK 73463-0196 | Oil Operator | Mar 2014 |
| 29802 | Tri-County Oil & Gas, Inc. | Fairmont, WV 26555-0000 | Oil & Gas Operator | Dec 2019 |
| 29803 | Tri-Crude Oil & Gas | Harrisville, WV 26362-0000 | Oil & Gas Operator | Dec 2021 |
| 29804 | Tri-Dyne Resources, Inc. | Southern Pine, NC 28387 | Oil & Gas Operator | Feb 2000 |
| 29805 | Tri-Ex Corporation | | Oil & Gas Operator | Jan 1985 |
| 29806 | Tri-Ex Petroleum, L.P. | Amarillo, TX 79101 | Oil & Gas Operator | Jan 2013 |
| 29807 | Tri-Force Operating, L.L.C. | Royse City, TX 75189 | Oil & Gas Operator | Nov 2025 |
| 29808 | Tri-J Tubulars, Inc. | Wichita, KS 67202 | Oil Operator | Aug 1996 |
| 29809 | Tri-K Production Company, Inc. | Olney, TX 76374 | Oil & Gas Operator | Apr 1996 |
| 29810 | Tri-L Oil Co. | | Oil Operator | Sep 2015 |
| 29811 | Tri-Par Exploration, Inc. | | Oil Operator | Oct 2001 |
| 29812 | Tri-Production Company | | Oil Operator | Apr 1994 |
| 29813 | Tri-Quest Resources | | Oil & Gas Operator | Feb 1995 |
| 29814 | Tri-State Exploration & Prod Inc | Marshall, TX 75671 | Oil & Gas Operator | Aug 2003 |
| 29815 | Tri-State Pipeline Service Inc | Ninnekah, OK 73067-0189 | Oil & Gas Operator | Mar 2011 |
| 29816 | Tri-State Resources, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Sep 2012 |
| 29817 | Tri-State Sales & Production | Rodessa, LA 71069 | Oil & Gas Operator | Dec 2008 |
| 29818 | Tri-Tex Exploration LTD | Abilene, TX 79608 | Oil Operator | Apr 2019 |
| 29819 | Tri-Union Development Corp. | Houston, TX 77002 | Oil & Gas Operator | Nov 2025 |
| 29820 | Tri-Unity Inc | Sand Springs, OK 74063-4401 | Oil & Gas Operator | Jun 2009 |
| 29821 | Tri-Valley Oil & Gas Co. | | Oil & Gas Operator | Aug 2025 |
| 29822 | Tri-W Oil | Luling, TX 78648 | Oil Operator | Nov 2025 |
| 29823 | Tri-W Oil, Inc. | Luling, TX 78648 | Oil Operator | Apr 2007 |
| 29824 | Triad Energy Corp Of Texas | Houston, TX 77057-2696 | Oil & Gas Operator | Sep 2014 |
| 29825 | Triad Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Oct 2011 |
| 29826 | Triad Energy, Inc. | Oklahoma City, OK 73105-1401 | Oil & Gas Operator | Aug 2025 |
| 29827 | Triad Hunter, LLC | Spring, TX 77389 | Oil & Gas Operator | Dec 2021 |
| 29828 | Triad O&G, LLC | Dallas, TX 75225 | Oil & Gas Operator | Nov 2025 |
| 29829 | Triad Oil & Gas Co Inc | | Oil & Gas Operator | Jun 1994 |
| 29830 | Triad Resources Inc | Spring, TX 77389 | Oil & Gas Operator | Dec 2020 |
| 29831 | Triag Energy Operating, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jun 2014 |
| 29832 | Triana Energy LLC | Charleston, WV 25301-2815 | Gas Operator | Nov 2018 |
| 29833 | Triangle Development Co | Mahtomedi, MN 55115 | Gas Operator | Feb 1982 |
| 29834 | Triangle Energy Co. | Pampa, TX 79066 | Oil & Gas Operator | Nov 2000 |
| 29835 | Triangle Interprises Inc | Justin, TX 76247-0598 | Oil & Gas Operator | Jun 2015 |
| 29836 | Triangle J Oil Company | | Oil & Gas Operator | Mar 2007 |
| 29837 | Triangle Oil & G G Cornwell | | Oil & Gas Operator | Nov 1981 |
| 29838 | Triangle Oil Of Hosston | | Oil Operator | Jul 2014 |
| 29839 | Triangle Oil Producers Inc | | Oil & Gas Operator | Jun 1998 |
| 29840 | Triangle Operating Co., Inc. | | Gas Operator | Jan 2000 |
| 29841 | Triangle P Development Corp. | Bronte, TX 76933 | Oil & Gas Operator | Nov 2025 |
| 29842 | Triangle Three Resources L.L.C. | Dallas, TX 75240 | Oil & Gas Operator | Oct 2024 |
| 29843 | Triangle USA Petroleum Corporation | Denver, CO 80202 | Oil & Gas Operator | Jul 2021 |
| 29844 | Triax Energy LLC | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2018 |
| 29845 | Tribal Oil Company | | Oil & Gas Operator | Dec 1981 |
| 29846 | Tribar Resources LLC | | Oil & Gas Operator | Sep 2025 |
| 29847 | Tribune Resources, LLC | | Oil & Gas Operator | Dec 2021 |
| 29848 | Tricentrol Resources Inc | Englewood, CO 80111 | Oil & Gas Operator | Jun 1984 |
| 29849 | Trich Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Jan 2025 |
| 29850 | Trichel Contracting Company | | Oil & Gas Operator | Sep 1987 |
| 29851 | Trickle Down Oil, Inc. | | Oil & Gas Operator | Feb 2016 |
| 29852 | Trico Energy Corporation | | Oil Operator | May 1984 |
| 29853 | Trico Energy LLC | Hager Hill, KY 41222 | Oil Operator | Dec 2018 |
| 29854 | Trico Oil & Gas Inc. | Kilgore, TX 75662 | Oil & Gas Operator | Nov 2025 |
| 29855 | Trico Oil Co., Inc. | | Gas Operator | Nov 1978 |
| 29856 | Trico/Tiger Development LLC | | Gas Operator | Dec 2017 |
| 29857 | Trident Corporation | Woodsboro, TX 78393 | Oil & Gas Operator | Nov 2025 |
| 29858 | Trident Oil & Gas Corp. | | Oil & Gas Operator | Sep 2000 |
| 29859 | Tridon Oil Inc | Lafayette, LA 70505-2305 | Gas Operator | Dec 2013 |
| 29860 | Triesco, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 1996 |
| 29861 | Triexco Inc | Tulsa, OK 74119 | Oil & Gas Operator | Dec 2012 |
| 29862 | Triforce Energy LLC | Littleton, CO 80122 | Oil & Gas Operator | Nov 2025 |
| 29863 | Trigeo Energy, LLC | Addison, TX 75001 | Oil & Gas Operator | Nov 2025 |
| 29864 | Trigg Drilling Company Inc | Oklahoma City, OK 73105 | Oil & Gas Operator | Jan 2013 |
| 29865 | Trigg Exploratio | | Gas Operator | Feb 1992 |
| 29866 | Trigg Oil Mining Corporation | | Oil & Gas Operator | Dec 2007 |
| 29867 | Trigger'S Disposal LLC | Sayre, OK 73662-2913 | Oil Operator | Sep 2022 |
| 29868 | Trigo Oil And Gas, LLC | Amarillo, TX 79101 | Oil & Gas Operator | Mar 2022 |
| 29869 | Trigon Exploration, Inc. | | Oil & Gas Operator | Jan 1999 |
| 29870 | Triken Oil & Gas | | Oil & Gas Operator | Feb 1995 |
| 29871 | Trilliant Energy Texas LTD | Tulsa, OK 74135-0767 | Oil & Gas Operator | Jun 2020 |
| 29872 | Trilogy Natural Resources LLC | Edmond, OK 73025 | Oil Operator | Jul 2025 |
| 29873 | Trilogy Operating, Inc. | Midland, TX 79708 | Oil & Gas Operator | Nov 2025 |
| 29874 | Trimble & Maclaskey Oil LLC | Gridley, KS 66852 | Oil Operator | Jun 2025 |
| 29875 | Trimble, Don G Dba Trimble Production Company | Houston, TX 77066 | Oil Operator | Jan 2025 |
| 29876 | Trimble, IVal L. | Gridley, KS 66852 | Oil Operator | Dec 2019 |
| 29877 | Trimont Energy LLC | Pittsburgh, PA 15211-1205 | Oil & Gas Operator | Dec 2016 |
| 29878 | Trineha Inc | Ardmore, OK 73402-2478 | Oil & Gas Operator | Jun 2009 |
| 29879 | Trinidad Energy, LLC | Midland, TX 79708 | Oil & Gas Operator | Nov 2025 |
| 29880 | Trinidad Exploration, Inc. | Tyler, TX 75703 | Oil & Gas Operator | Mar 2008 |
| 29881 | Trinidad Petroleum Corporation | | Oil & Gas Operator | Apr 1990 |
| 29882 | Trinidad Petroleum, Inc. | Austin, TX 78711 | Oil & Gas Operator | Nov 2025 |
| 29883 | Trinidad Resources, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Nov 2025 |
| 29884 | Trinity Bay Oil & Gas, Inc. | Lubbock, TX 79416 | Oil & Gas Operator | Nov 2025 |
| 29885 | Trinity Energy Corp | Gibsonia, PA 15044-9106 | Oil & Gas Operator | Dec 2007 |
| 29886 | Trinity Eor, LLC | Midland, TX 79701 | Oil & Gas Operator | Jan 2019 |
| 29887 | Trinity Exploration Co | | Oil Operator | Dec 1998 |
| 29888 | Trinity Gas Corporation | Edmond, OK 73003 | Oil & Gas Operator | Nov 2025 |
| 29889 | Trinity Gas Storage, LLC | Flower Mound, TX 75028 | Oil & Gas Operator | Nov 2025 |
| 29890 | Trinity Group LLC | | Oil Operator | Dec 1997 |
| 29891 | Trinity Minerals&Operating Corp. | Abilene, TX 79605 | Oil & Gas Operator | Dec 1995 |
| 29892 | Trinity Oil & Gas Dev Inc | | Oil & Gas Operator | Jun 1994 |
| 29893 | Trinity Oil & Gas Inc | Pauls Valley, OK 73075 | Oil Operator | Jun 2025 |
| 29894 | Trinity Oil & Gas Producers LLC | Allen, OK 74825 | Oil & Gas Operator | Jun 2025 |
| 29895 | Trinity Operating & Prod., Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 29896 | Trinity Operating (Usg), LLC | Houston, TX 77002 | Oil & Gas Operator | Nov 2025 |
| 29897 | Trinity Resources, Inc. | Houston, TX 77277 | Oil & Gas Operator | May 2020 |
| 29898 | Trinity River Energy Oper, LLC | Houston, TX 77008 | Oil & Gas Operator | May 2018 |
| 29899 | Trinity River Energy, LLC | Houston, TX 77094 | Oil & Gas Operator | Aug 2015 |
| 29900 | Trinity River Operating Company | Oklahoma City, OK 73147 | Oil & Gas Operator | Nov 2025 |