| 1701 | Trustar Operating Company Inc. | Austin, TX 78750 | Oil Operator | Dec 2025 |
| 1702 | Trutex Operating, LLC | Haltom City, TX 76117 | Oil & Gas Operator | Dec 2025 |
| 1703 | Tryall, Inc | Porter, TX 77365 | Oil & Gas Operator | Dec 2025 |
| 1704 | Tryco Exploration, LLC | Plano, TX 75026 | Oil & Gas Operator | Nov 2006 |
| 1705 | Tryma Operating | Borger, TX 79008 | Oil & Gas Operator | Dec 2025 |
| 1706 | Tryvest, Inc. | | Oil & Gas Operator | Sep 1991 |
| 1707 | TS & T Drilling, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2016 |
| 1708 | TS Leasing Operations Inc. | | Oil & Gas Operator | Sep 2025 |
| 1709 | TS Oil, LLC | Fort Worth, TX 76114 | Oil & Gas Operator | Dec 2025 |
| 1710 | Tsalta Corporation | Oklahoma City, OK 73116 | Oil & Gas Operator | Nov 1998 |
| 1711 | Tsar Energy, LLC | Dallas, TX 75205 | Oil & Gas Operator | Dec 2025 |
| 1712 | Tsar Operating Company | Fort Worth, TX 76116 | Oil & Gas Operator | Jul 2021 |
| 1713 | Tschoepe, Arthur J. | Leakey, TX 78873 | Oil & Gas Operator | Jun 2001 |
| 1714 | TSF Operating | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 1715 | Tsoco | Tuleta, TX 78162 | Oil & Gas Operator | Apr 2017 |
| 1716 | Tsoco & W. M. Null | Pettus, TX 78146 | Oil & Gas Operator | Aug 2002 |
| 1717 | TSW Oil & Gas, LLC | Abilene, TX 79602 | Oil & Gas Operator | Jan 2016 |
| 1718 | TSW Oil LLC | Dixon, KY 42409 | Oil Operator | Dec 2023 |
| 1719 | TT Operating, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2025 |
| 1720 | TTK Energy LLC | Kilgore, TX 75663 | Oil Operator | Dec 2025 |
| 1721 | TTL Energy Resources, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2013 |
| 1722 | Tubbs Patrick | Neodesha, KS 66757 | Oil Operator | Sep 2008 |
| 1723 | Tuckco Petroleum Corporation | Andrews, TX 79714 | Oil & Gas Operator | Dec 2025 |
| 1724 | Tucker Drilling Company, Inc. | San Angelo, TX 76903 | Oil & Gas Operator | Jul 1996 |
| 1725 | Tucker Gary & Deedee | Jennings, OK 74038 | Oil & Gas Operator | Jun 2025 |
| 1726 | Tucker Operating Co., Inc. | Victoria, TX 77903 | Oil & Gas Operator | Dec 2025 |
| 1727 | Tucker Petroleum, Inc. | Corpus Chrsti, TX 78468 | Oil & Gas Operator | Dec 2025 |
| 1728 | Tucker Resources, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 2003 |
| 1729 | Tucker Ron & Co | Norman, OK 73069-8511 | Gas Operator | Sep 2017 |
| 1730 | Tucker, Carl H., Jr. | Independence, KS 67301 | Oil Operator | Jul 1996 |
| 1731 | Tucker, Gene | | Oil & Gas Operator | Dec 2011 |
| 1732 | Tucker, Stephen A. | Independence, KS 67301 | Oil Operator | Feb 2009 |
| 1733 | Tucker, Timothy R | | Oil Operator | Aug 2025 |
| 1734 | Tucson Oil & Gas Inc | | Oil & Gas Operator | Aug 1994 |
| 1735 | Tudex Petroleum Inc | | Oil & Gas Operator | Sep 2019 |
| 1736 | Tug Fork Development | Catlettsburg, KY 41129 | Gas Operator | Dec 2021 |
| 1737 | Tug Hill Operating, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2021 |
| 1738 | Tug Oil & Gas, L.L.C. | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2025 |
| 1739 | Tularosa Operating Company | Kerrville, TX 78029 | Oil & Gas Operator | Mar 2024 |
| 1740 | Tuleta Energy Partners, LLC | Norman, OK 73072 | Oil & Gas Operator | Dec 2025 |
| 1741 | Tulip Industries, Inc. | | Oil & Gas Operator | Feb 2024 |
| 1742 | Tulsa Energy Inc | Tulsa, OK 74133 | Oil & Gas Operator | May 2013 |
| 1743 | Tulsa Energy Partners LLC | Tulsa, OK 74103-4461 | Oil & Gas Operator | Sep 2025 |
| 1744 | Tulsa Minerals Inc | Tulsa, OK 74136-1045 | Oil & Gas Operator | May 2013 |
| 1745 | Tulum Corporation | Oklahoma City, OK 73101-0125 | Oil & Gas Operator | Feb 2025 |
| 1746 | Tumble Weed Production Co. | Borger, TX 79008 | Oil & Gas Operator | Dec 1994 |
| 1747 | Tumbleweed Energy Limited | Midland, TX 79704 | Oil & Gas Operator | Dec 2022 |
| 1748 | Tundra Energy | | Oil Operator | Jan 2025 |
| 1749 | Tundra Operating LLC | Spring, TX 77386 | Oil Operator | May 2017 |
| 1750 | Turkey Run LLC | Arcade, NY 14009 | Gas Operator | Dec 2024 |
| 1751 | Turm Oil Inc | Butler, PA 16002-0471 | Oil & Gas Operator | Dec 2024 |
| 1752 | Turnbow Drilling Co. | Holliday, TX 76366 | Oil & Gas Operator | Jul 2025 |
| 1753 | Turnbow John R Company | Tulsa, OK 74120-2420 | Oil & Gas Operator | Aug 2006 |
| 1754 | Turnbull Gas, LLC | North Collins, NY 14111 | Gas Operator | Dec 2024 |
| 1755 | Turnco Drilling, Inc. | Portland, OR 97208 | Oil & Gas Operator | Dec 2009 |
| 1756 | Turner John O | Drumright, OK 74030-1216 | Oil & Gas Operator | Feb 1998 |
| 1757 | Turner Oil Company | Yale, OK 74085-0234 | Oil & Gas Operator | Nov 2014 |
| 1758 | Turner Petroleum Corp And Patrick Petroleum Corp | | Oil & Gas Operator | Mar 1991 |
| 1759 | Turner Production | Big Lake, TX 76932 | Oil & Gas Operator | Dec 2025 |
| 1760 | Turner Production Co | Dallas, TX 75206 | Oil & Gas Operator | Nov 2023 |
| 1761 | Turner Randall L | Duncan, OK 73533-4826 | Oil Operator | Jun 2025 |
| 1762 | Turner Resources Inc | Hennessey, OK 73742 | Oil & Gas Operator | Aug 2025 |
| 1763 | Turner Smith & Associates | Englewood, CO 80111 | Oil & Gas Operator | May 1994 |
| 1764 | Turner, D. Ann Garrett, Est. Of | Big Spring, TX 79721 | Oil & Gas Operator | Jan 1999 |
| 1765 | Turner, Greg | Cross Plains, TX 76443 | Oil & Gas Operator | Dec 2025 |
| 1766 | Turner, Jack L | Smackover, AR 71762 | Oil Operator | Jan 2025 |
| 1767 | Turner, M. O. | San Antonio, TX 78278 | Oil & Gas Operator | Apr 2003 |
| 1768 | Turner, Randy | Olney, TX 76374 | Oil & Gas Operator | Jan 2005 |
| 1769 | Turning Point Oil, Inc. | Eastland, TX 76448 | Oil & Gas Operator | Jan 2021 |
| 1770 | Turnkey E&P Corporation | | Oil & Gas Operator | Dec 2010 |
| 1771 | Turntable Energy Inc | Ponca City, OK 74604 | Oil & Gas Operator | Jul 2025 |
| 1772 | Turpin Ledon Production | Ada, OK 74820-0549 | Oil Operator | Aug 2025 |
| 1773 | Turquoise Bay Corporation | Odessa, TX 79760 | Oil & Gas Operator | Dec 2018 |
| 1774 | Turrentine Oil & Gas, Inc. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Oct 2019 |
| 1775 | Turrentine Oil And Gas | Levelland, TX 79336 | Oil & Gas Operator | Feb 1996 |
| 1776 | Turrill Sheldon L | Westerville, OH 43081 | Oil & Gas Operator | Dec 1984 |
| 1777 | Turtle Mountain Gas & Oil, Inc. | | Oil & Gas Operator | Oct 2006 |
| 1778 | Tuscany Deli & Meats, Inc. | Fredonia, NY 14063 | Gas Operator | Dec 2024 |
| 1779 | Tuscany Gas Limited Liability Company | | Gas Operator | Dec 2021 |
| 1780 | Tuscany Operating LLC | Oklahoma City, OK 73106 | Oil & Gas Operator | Sep 2014 |
| 1781 | Tuscola Energy Inc | | Oil & Gas Operator | Sep 2025 |
| 1782 | Tuskar (Texas), Inc. | Nichols Hill, OK 73116 | Oil & Gas Operator | Jan 2016 |
| 1783 | Tussel Clarence Jr | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2019 |
| 1784 | Tutcher, Dan C. | Houston, TX 77002 | Oil Operator | Dec 2004 |
| 1785 | Tuthill & Barbee | Amarillo, TX 79101 | Oil & Gas Operator | Nov 1994 |
| 1786 | Tuthill S Keith & Bill Barbee | Amarillo, TX 79101-1427 | Oil & Gas Operator | Dec 2004 |
| 1787 | Tuway Oil, Inc | | Oil & Gas Operator | Jun 2006 |
| 1788 | TW Oil LLC | Fordsville, KY 42343 | Oil & Gas Operator | Dec 2024 |
| 1789 | TW Phillips Gas Supply Corp | Butler, PA 16001-4904 | Oil & Gas Operator | Dec 2011 |
| 1790 | Twain Energy LLC | Ridgeland, MS 39157 | Gas Operator | Sep 2025 |
| 1791 | TWC Oil Company, Inc. | | Oil Operator | Jan 2025 |
| 1792 | Twenty First Century Res Inc | Lajolla, CA 92037-7044 | Oil & Gas Operator | Mar 2015 |
| 1793 | Twenty/Twenty Oil & Gas Inc | Hennessey, OK 73742 | Oil & Gas Operator | Sep 2025 |
| 1794 | Twilco Operating LLC | Holliday, TX 76366 | Oil Operator | Dec 2025 |
| 1795 | Twilight Energy LLC | Fort Worth, TX 76185 | Oil & Gas Operator | Dec 2025 |
| 1796 | Twin Arrow Inc | Rangely, CO 81648 | Oil & Gas Operator | Sep 2009 |
| 1797 | Twin City Gas | | Gas Operator | Nov 1997 |
| 1798 | Twin Eagle Petro | | Oil Operator | Aug 1990 |
| 1799 | Twin Eagle Petro Corp | | Gas Operator | Feb 1990 |
| 1800 | Twin Eagle Petroleum Corp | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2002 |