| 1701 | Tulsa Minerals Inc | Tulsa, OK 74136-1045 | Oil & Gas Operator | May 2013 |
| 1702 | Tulum Corporation | Oklahoma City, OK 73101-0125 | Oil & Gas Operator | Feb 2025 |
| 1703 | Tumble Weed Production Co. | Borger, TX 79008 | Oil & Gas Operator | Dec 1994 |
| 1704 | Tumbleweed Energy Limited | Midland, TX 79704 | Oil & Gas Operator | Dec 2022 |
| 1705 | Tundra Energy | | Oil Operator | Jan 2025 |
| 1706 | Tundra Operating LLC | Spring, TX 77386 | Oil Operator | May 2017 |
| 1707 | Turkey Run L.L.C. | Arcade, NY 14009 | Gas Operator | Dec 2025 |
| 1708 | Turm Oil Inc | | Oil & Gas Operator | Dec 2025 |
| 1709 | Turnbow Drilling Co. | Holliday, TX 76366 | Oil & Gas Operator | Jul 2025 |
| 1710 | Turnbow John R Company | Tulsa, OK 74120-2420 | Oil & Gas Operator | Aug 2006 |
| 1711 | Turnbull Gas, LLC | North Collins, NY 14111 | Gas Operator | Dec 2025 |
| 1712 | Turnco Drilling, Inc. | Portland, OR 97208 | Oil & Gas Operator | Dec 2009 |
| 1713 | Turner John O | Drumright, OK 74030-1216 | Oil & Gas Operator | Feb 1998 |
| 1714 | Turner Oil Company | Yale, OK 74085-0234 | Oil & Gas Operator | Nov 2014 |
| 1715 | Turner Petroleum Corp And Patrick Petroleum Corp | | Oil & Gas Operator | Mar 1991 |
| 1716 | Turner Production | Big Lake, TX 76932 | Oil & Gas Operator | Sep 2026 |
| 1717 | Turner Production Co | Dallas, TX 75206 | Oil & Gas Operator | Nov 2023 |
| 1718 | Turner Randall L | Duncan, OK 73533-4826 | Oil Operator | May 2026 |
| 1719 | Turner Resources Inc | Hennessey, OK 73742 | Oil & Gas Operator | May 2026 |
| 1720 | Turner Smith & Associates | Englewood, CO 80111 | Oil & Gas Operator | May 1994 |
| 1721 | Turner, D. Ann Garrett, Est. Of | Big Spring, TX 79721 | Oil & Gas Operator | Jan 1999 |
| 1722 | Turner, Greg | Cross Plains, TX 76443 | Oil & Gas Operator | Sep 2026 |
| 1723 | Turner, Jack L | El Dorado, AR 71730 | Oil Operator | Jan 2025 |
| 1724 | Turner, M. O. | San Antonio, TX 78278 | Oil & Gas Operator | Apr 2003 |
| 1725 | Turner, Randy | Olney, TX 76374 | Oil & Gas Operator | Jan 2005 |
| 1726 | Turnkey E&P Corporation | | Oil & Gas Operator | Dec 2010 |
| 1727 | Turntable Energy Inc | Ponca City, OK 74604 | Oil & Gas Operator | May 2026 |
| 1728 | Turpin Ledon Production | Ada, OK 74820-0549 | Oil Operator | May 2026 |
| 1729 | Turquoise Bay Corporation | Odessa, TX 79760 | Oil & Gas Operator | Dec 2018 |
| 1730 | Turrentine Oil & Gas, Inc. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Oct 2019 |
| 1731 | Turrentine Oil And Gas | Levelland, TX 79336 | Oil & Gas Operator | Feb 1996 |
| 1732 | Turrill Sheldon L | Westerville, OH 43081 | Oil & Gas Operator | Dec 1984 |
| 1733 | Turtle Mountain Gas & Oil, Inc. | | Oil & Gas Operator | Oct 2006 |
| 1734 | Tuscany Deli & Meats, Inc. | Fredonia, NY 14063 | Gas Operator | Dec 2025 |
| 1735 | Tuscany Gas Limited Liability Company | Buckhannon, WV 26201 | Gas Operator | Dec 2021 |
| 1736 | Tuscany Operating LLC | Oklahoma City, OK 73106 | Oil & Gas Operator | Sep 2014 |
| 1737 | Tuscola Energy Inc | | Oil & Gas Operator | Jun 2026 |
| 1738 | Tuskar (Texas), Inc. | Nichols Hill, OK 73116 | Oil & Gas Operator | Jan 2016 |
| 1739 | Tussel Clarence Jr | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2019 |
| 1740 | Tutcher, Dan C. | Houston, TX 77002 | Oil Operator | Dec 2004 |
| 1741 | Tuthill & Barbee | Amarillo, TX 79101 | Oil & Gas Operator | Nov 1994 |
| 1742 | Tuthill S Keith & Bill Barbee | Amarillo, TX 79101-1427 | Oil & Gas Operator | Dec 2004 |
| 1743 | Tuway Oil, Inc | | Oil & Gas Operator | Jun 2006 |
| 1744 | TW Phillips Gas Supply Corp | Butler, PA 16001-4904 | Oil & Gas Operator | Dec 2011 |
| 1745 | Twain Energy LLC | Tulsa, OK 74120 | Oil & Gas Operator | Jun 2026 |
| 1746 | TWC Oil Company, Inc. | | Oil Operator | Jan 2025 |
| 1747 | Twenty First Century Res Inc | Lajolla, CA 92037-7044 | Oil & Gas Operator | Mar 2015 |
| 1748 | Twenty/Twenty Oil & Gas Inc | Hennessey, OK 73742 | Oil & Gas Operator | Jun 2026 |
| 1749 | Twilco Operating LLC | Holliday, TX 76366 | Oil Operator | Sep 2026 |
| 1750 | Twilight Energy LLC | Fort Worth, TX 76185 | Oil & Gas Operator | Sep 2026 |
| 1751 | Twin Arrow Inc | Rangely, CO 81648 | Oil & Gas Operator | Sep 2009 |
| 1752 | Twin City Gas | | Gas Operator | Nov 1997 |
| 1753 | Twin Eagle Petro | | Oil Operator | Aug 1990 |
| 1754 | Twin Eagle Petroleum Corp | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2002 |
| 1755 | Twin M, Inc. | Kingman, KS 67068 | Oil & Gas Operator | Apr 2026 |
| 1756 | Twin Oaks Construction Company | Irving, TX 75063 | Oil & Gas Operator | Sep 2026 |
| 1757 | Twin Oil Partnership LLC | | Oil Operator | Dec 2025 |
| 1758 | Twin Star Petrol | | Oil & Gas Operator | Jan 1989 |
| 1759 | Twiner Oil & Gas Corporation | | Oil & Gas Operator | Oct 1988 |
| 1760 | Twinoaks Oil & Gas Co | Newark, OH 43058 | Oil & Gas Operator | Dec 2025 |
| 1761 | Twinoco | Caney, KS 67333 | Oil Operator | Nov 1996 |
| 1762 | Twins Oil Co. | Monahans, TX 79756 | Oil & Gas Operator | Sep 2026 |
| 1763 | Twisted Oak Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2026 |
| 1764 | Twisted Resources Inc | Blanchard, OK 73010-8463 | Oil & Gas Operator | Jun 2026 |
| 1765 | TWM Production Co., A General Partnership | Chanute, KS 66720 | Oil Operator | Apr 2026 |
| 1766 | Two Bay Petroleum | | Oil & Gas Operator | Dec 2010 |
| 1767 | Two Bayous, Inc. | | Oil & Gas Operator | Dec 2024 |
| 1768 | Two Bit Operating Company LLC | Fort Worth, TX 76110 | Oil & Gas Operator | Sep 2026 |
| 1769 | Two Black Bears Oil, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2003 |
| 1770 | Two Gems Company | McAlester, OK 74502-1996 | Oil & Gas Operator | Apr 2026 |
| 1771 | Two Oaks Operating Company, LLC. | Flower Mound, TX 75028 | Oil & Gas Operator | Mar 2008 |
| 1772 | Two P Partners, LLC | Houston, TX 77056 | Oil & Gas Operator | Sep 2026 |
| 1773 | Two Pines | Drumright, OK 74030-5502 | Oil & Gas Operator | Feb 2012 |
| 1774 | Twojo, Inc. | Longview, TX 75601 | Oil & Gas Operator | Nov 1996 |
| 1775 | TX Heat Of The Permian Basin Inc | Odessa, TX 79768 | Oil & Gas Operator | Dec 2021 |
| 1776 | TX Lone Star Operating Co, LLC | Sulphur SPGS, TX 75483 | Oil & Gas Operator | Sep 2026 |
| 1777 | TX Petroleum Company | Corpus Christ, TX 78412 | Oil & Gas Operator | Apr 1996 |
| 1778 | Txco Resources Inc. | San Antonio, TX 78280 | Oil & Gas Operator | Sep 2026 |
| 1779 | Txla Energy, Inc. | Houston, TX 77018 | Oil & Gas Operator | Sep 2026 |
| 1780 | Txo Prod Corp.-Arkla Expl. Co. | | Oil & Gas Operator | Dec 1990 |
| 1781 | Txo Production Corp. | Ganado, TX 77962 | Oil & Gas Operator | Aug 2022 |
| 1782 | Txo Production Corp/Amh O&G Co | | Oil & Gas Operator | Dec 1990 |
| 1783 | Txok Energy Resources Company | Tulsa, OK 74172-0140 | Oil & Gas Operator | Feb 2017 |
| 1784 | Txok Texas Energy Resources,L.P. | Dallas, TX 75251 | Oil & Gas Operator | Apr 2008 |
| 1785 | Txon Partners, LLC | Houston, TX 77057 | Oil & Gas Operator | Jun 2017 |
| 1786 | TXP Operating Co. | | Oil & Gas Operator | Jul 1992 |
| 1787 | TXP, Incorporated | San Angelo, TX 76906 | Oil & Gas Operator | Sep 2026 |
| 1788 | Txu Fuel Company | Dallas, TX 75201 | Oil & Gas Operator | May 2004 |
| 1789 | Txu Gas Company | Dallas, TX 75201 | Oil & Gas Operator | Sep 2004 |
| 1790 | Txu Lone Star Pipeline | Dallas, TX 75201 | Oil & Gas Operator | Oct 2003 |
| 1791 | TXX Operating LLC | Shreveport, LA 71133 | Oil & Gas Operator | Sep 2026 |
| 1792 | Ty-Tex Exploration, Inc. | Tyler, TX 75711 | Oil Operator | Dec 2000 |
| 1793 | Tyco Incorporate | | Oil & Gas Operator | Oct 1995 |
| 1794 | Tyco Oil Co. | | Oil Operator | Apr 2026 |
| 1795 | Tyco Operating Co. | Archer City, TX 76351 | Oil & Gas Operator | Sep 2026 |
| 1796 | Tygr Operating Company, LLC | | Oil & Gas Operator | Nov 2024 |
| 1797 | Tyl Oil | Canon City, CO 81212 | Gas Operator | May 1994 |
| 1798 | Tyler Enterprises Inc | Bristow, OK 74010-3192 | Oil & Gas Operator | Feb 2004 |
| 1799 | Tyler Oil & Gas Inc. | Tyler, TX 75702 | Oil & Gas Operator | Sep 2004 |
| 1800 | Tyler Oil Company | Billings, MT 59104-3203 | Oil & Gas Operator | Nov 2019 |