| 1701 | Tuskar (Texas), Inc. | Oklahoma City, OK 73116 | Oil & Gas Operator | Jan 2016 |
| 1702 | Tussel Clarence Jr | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2019 |
| 1703 | Tutcher, Dan C. | Houston, TX 77002 | Oil Operator | Dec 2004 |
| 1704 | Tuthill & Barbee | Amarillo, TX 79101 | Oil & Gas Operator | Nov 1994 |
| 1705 | Tuthill S Keith & Bill Barbee | Amarillo, TX 79101-1427 | Oil & Gas Operator | Dec 2004 |
| 1706 | Tuway Oil, Inc | | Oil & Gas Operator | Jun 2006 |
| 1707 | TW Phillips Gas Supply Corp | Butler, PA 16001-4904 | Oil & Gas Operator | Dec 2011 |
| 1708 | TWC Oil Company | | Oil Operator | Jan 2024 |
| 1709 | TWCS Operating Co., LLC | MC Gregor, TX 76657 | Oil Operator | Apr 2024 |
| 1710 | Twenty First Century Res Inc | Lajolla, CA 92037-7044 | Oil & Gas Operator | Mar 2015 |
| 1711 | Twenty/Twenty Oil & Gas Inc | Hennessey, OK 73742-0247 | Oil & Gas Operator | Feb 2024 |
| 1712 | Twilco Operating LLC | Holliday, TX 76366 | Oil Operator | Apr 2024 |
| 1713 | Twilight Energy LLC | Fort Worth, TX 76185 | Oil & Gas Operator | Apr 2024 |
| 1714 | Twin Arrow Inc | Rangely, CO 81648 | Oil & Gas Operator | Sep 2009 |
| 1715 | Twin City Gas | | Gas Operator | Nov 1997 |
| 1716 | Twin Eagle Petro | | Oil Operator | Aug 1990 |
| 1717 | Twin Eagle Petroleum Corp | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2002 |
| 1718 | Twin M, Inc. | Kingman, KS 67068 | Oil & Gas Operator | Dec 2023 |
| 1719 | Twin Oaks Construction Company | Irving, TX 75063 | Oil & Gas Operator | Apr 2024 |
| 1720 | Twin Oil Partnership LLC | | Oil Operator | Dec 2023 |
| 1721 | Twin Star Petrol | | Oil & Gas Operator | Jan 1989 |
| 1722 | Twiner Oil & Gas Corporation | | Oil & Gas Operator | Oct 1988 |
| 1723 | Twinoaks Oil & Gas Co | Newark, OH 43058-0764-0764 | Oil & Gas Operator | Dec 2023 |
| 1724 | Twinoco | Caney, KS 67333 | Oil Operator | Nov 1996 |
| 1725 | Twins Oil Co. | Monahans, TX 79756 | Oil & Gas Operator | Apr 2024 |
| 1726 | Twisted Oak Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2024 |
| 1727 | Twisted Resources Inc | | Oil & Gas Operator | Feb 2024 |
| 1728 | TWM Production Co., A General Partnership | Chanute, KS 66720 | Oil Operator | Dec 2023 |
| 1729 | Two Bay Petroleum | | Oil & Gas Operator | Dec 2010 |
| 1730 | Two Bayous, Inc. | | Oil & Gas Operator | Nov 2023 |
| 1731 | Two Bit Operating Company LLC | Fort Worth, TX 76110 | Oil & Gas Operator | Apr 2024 |
| 1732 | Two Black Bears Oil, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2003 |
| 1733 | Two Gems Company | McAlester, OK 74502-1996 | Oil & Gas Operator | Jan 2024 |
| 1734 | Two Oaks Operating Company, LLC. | Flower Mound, TX 75028 | Oil & Gas Operator | Mar 2008 |
| 1735 | Two P Partners, LLC | Golden, CO 80401 | Oil & Gas Operator | Apr 2024 |
| 1736 | Two Pines | Drumright, OK 74030-5502 | Oil & Gas Operator | Feb 2012 |
| 1737 | Twojo, Inc. | Longview, TX 75601 | Oil & Gas Operator | Nov 1996 |
| 1738 | TX Heat Of The Permian Basin Inc | Odessa, TX 79768 | Oil & Gas Operator | Dec 2021 |
| 1739 | TX Lone Star Operating Co, LLC | Sulphur SPGS, TX 75483 | Oil & Gas Operator | Apr 2024 |
| 1740 | TX Petroleum Company | Corpus Chrsti, TX 78412 | Oil & Gas Operator | Apr 1996 |
| 1741 | Txco Resources Inc. | San Antonio, TX 78280 | Oil & Gas Operator | Apr 2024 |
| 1742 | Txla Energy, Inc. | Houston, TX 77018 | Oil & Gas Operator | Apr 2024 |
| 1743 | Txo Prod Corp.-Arkla Expl. Co. | | Oil & Gas Operator | Dec 1990 |
| 1744 | Txo Production Corp. | Ganado, TX 77962 | Oil & Gas Operator | Aug 2022 |
| 1745 | Txo Production Corp/Amh O&G Co | | Oil & Gas Operator | Dec 1990 |
| 1746 | Txok Energy Resources Company | Tulsa, OK 74172-0140 | Oil & Gas Operator | Feb 2017 |
| 1747 | Txok Texas Energy Resources,L.P. | Dallas, TX 75251 | Oil & Gas Operator | Apr 2008 |
| 1748 | Txon Partners, LLC | Houston, TX 77057 | Oil & Gas Operator | Jun 2017 |
| 1749 | TXP Operating Company | | Oil & Gas Operator | Jul 1992 |
| 1750 | TXP, Incorporated | San Angelo, TX 76906 | Oil & Gas Operator | Apr 2024 |
| 1751 | Txu Fuel Company | Dallas, TX 75201 | Oil & Gas Operator | May 2004 |
| 1752 | Txu Gas Company | Dallas, TX 75201 | Oil & Gas Operator | Sep 2004 |
| 1753 | Txu Lone Star Pipeline | Dallas, TX 75201 | Oil & Gas Operator | Oct 2003 |
| 1754 | TXX Operating LLC | Shreveport, LA 71133 | Oil & Gas Operator | Apr 2024 |
| 1755 | Ty-Tex Exploration, Inc. | Tyler, TX 75711 | Oil Operator | Dec 2000 |
| 1756 | Tyco Incorporate | | Oil & Gas Operator | Oct 1995 |
| 1757 | Tyco Oil Co. | | Oil Operator | Oct 2023 |
| 1758 | Tyco Operating Co. | Throckmorton, TX 76483 | Oil & Gas Operator | Apr 2024 |
| 1759 | Tygr Operating Company, LLC | | Oil & Gas Operator | Nov 2023 |
| 1760 | Tyl Oil | Canon City, CO 81212 | Gas Operator | May 1994 |
| 1761 | Tyler Enterprises Inc | Bristow, OK 74010-3192 | Oil & Gas Operator | Feb 2004 |
| 1762 | Tyler Oil & Gas Inc. | Tyler, TX 75702 | Oil & Gas Operator | Sep 2004 |
| 1763 | Tyler Oil Company | Billings, MT 59104-3203 | Oil & Gas Operator | Nov 2019 |
| 1764 | Tyler Production, LLC | | Oil & Gas Operator | Jul 2013 |
| 1765 | Tyler Rockies Exploration LTD | Tyler, TX 75710-0119 | Oil & Gas Operator | Feb 2024 |
| 1766 | Tyluka Operations, LLC | Hays, KS 67601 | Oil Operator | Nov 2023 |
| 1767 | Tyner Texas Operating Company | Dallas, TX 75248 | Oil & Gas Operator | Apr 2024 |
| 1768 | Tyrex Oil Company | Casper, WY 82602 | Oil & Gas Operator | May 1997 |
| 1769 | Tyro Oil Develop | | Oil Operator | Jul 1991 |
| 1770 | Tyrok | | Oil & Gas Operator | Nov 2010 |
| 1771 | Tysco Oil And Gas Corp. | | Oil & Gas Operator | Jan 2024 |
| 1772 | Tyson Gary | Hobart, OK 73651-6413 | Oil & Gas Operator | Mar 2018 |
| 1773 | Tyson Oil Co. | | Oil Operator | Jan 2024 |
| 1774 | Tyson Olan | Hobart, OK 73651-6413 | Oil & Gas Operator | Apr 2015 |