| 28701 | Thornton Page Natural Gas | | Oil & Gas Operator | Dec 2024 |
| 28702 | Thornton, Michael D. | Breckenridge, TX 76424 | Oil & Gas Operator | Nov 1995 |
| 28703 | Thoroughbred Associates LLC | Wichita, KS 67226 | Oil & Gas Operator | Jan 2026 |
| 28704 | Thorp Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Feb 2014 |
| 28705 | THP Operating LLC | Santa Anna, TX 76878 | Oil & Gas Operator | May 2026 |
| 28706 | Thrall Operating Company, Inc. | Dallas, TX 75240 | Oil & Gas Operator | May 2026 |
| 28707 | Thrall Texas Oil, LLC | | Oil & Gas Operator | Jan 2025 |
| 28708 | Thrash, Afton | Kilgore, TX 75663 | Oil & Gas Operator | Apr 1996 |
| 28709 | Three "N" One Production | | Oil & Gas Operator | Dec 2011 |
| 28710 | Three B Corporation | Fort Worth, TX 76179 | Gas Operator | Jun 2009 |
| 28711 | Three B Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2026 |
| 28712 | Three B, LP | Fort Worth, TX 76179 | Gas Operator | May 2026 |
| 28713 | Three Bros. Energy, Inc. | Ponca City, OK 74601 | Gas Operator | Dec 2013 |
| 28714 | Three C Exploration, LLC | Hebbronville, TX 78361 | Oil & Gas Operator | May 2026 |
| 28715 | Three D Oil Comp | | Oil & Gas Operator | Jan 1988 |
| 28716 | Three D Petroleum LLC | | Oil Operator | Dec 2024 |
| 28717 | Three D Resources Inc | Liberal, KS 67905 | Oil & Gas Operator | Jan 2026 |
| 28718 | Three D Submersible Pumps, Inc. | Heavener, OK 74937 | Oil & Gas Operator | Aug 2003 |
| 28719 | Three Forks Operating Co, LLC | Flatonia, TX 78941 | Oil & Gas Operator | May 2026 |
| 28720 | Three Forks Resources, LLC | Wheat Ridge, CO 80033 | Oil & Gas Operator | May 2026 |
| 28721 | Three G Inc | Cody, WY 82414 | Oil & Gas Operator | Dec 1999 |
| 28722 | Three G Oil Co | Baird, TX 79504 | Oil & Gas Operator | Jun 2004 |
| 28723 | Three J Energy, Inc. | Seguin, TX 78155 | Oil & Gas Operator | May 2026 |
| 28724 | Three J Operating Company, Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | May 2026 |
| 28725 | Three J'S Petroleum, Inc. | Lubbock, TX 79423 | Oil & Gas Operator | May 2026 |
| 28726 | Three MG Family Inc | Holdenville, OK 74848 | Oil & Gas Operator | May 2013 |
| 28727 | Three Mile Joint Venture | Houston, TX 77027 | Oil & Gas Operator | Jul 1995 |
| 28728 | Three P Operating Co.,GP, L.L.C. | Newcastle, TX 76372 | Oil & Gas Operator | May 2026 |
| 28729 | Three P Operating Company | Newcastle, TX 76372 | Oil & Gas Operator | Nov 2007 |
| 28730 | Three Point Energy L.L.C. | Atlanta, TX 75551 | Oil Operator | May 2026 |
| 28731 | Three R Oil Company | Post, TX 79356 | Oil & Gas Operator | May 2026 |
| 28732 | Three Rivers Exploration LLC | Olpe, KS 66865 | Oil Operator | Sep 2023 |
| 28733 | Three Rivers Oper Co III LLC | Austin, TX 78735 | Oil & Gas Operator | Nov 2017 |
| 28734 | Three Rivers Operating Co II LLC | Austin, TX 78735 | Oil & Gas Operator | Mar 2017 |
| 28735 | Three Rivers Operating Co LLC | Austin, TX 78735 | Oil & Gas Operator | Mar 2017 |
| 28736 | Three S & T Oil Co., Inc. | | Oil & Gas Operator | May 1985 |
| 28737 | Three Sands Investment Company | Waukomis, OK 73773 | Oil & Gas Operator | Feb 2026 |
| 28738 | Three Sands Oil Inc | Perry, OK 73077 | Oil & Gas Operator | May 2023 |
| 28739 | Three Sisters Investments, LTD | | Oil & Gas Operator | Oct 1989 |
| 28740 | Three Sisters LLC | Cheyenne, WY 82001 | Oil Operator | Nov 2025 |
| 28741 | Three Sisters Petroleum, Inc. | Oil City, LA 71061 | Oil & Gas Operator | Jan 2025 |
| 28742 | Three Span Oil & Gas, Inc. | Midland, TX 79710 | Oil & Gas Operator | May 2026 |
| 28743 | Three Star Energy Inc | | Gas Operator | Nov 1997 |
| 28744 | Three States Natural Gas | | Oil & Gas Operator | Mar 1976 |
| 28745 | Three Summits Operating LLC | Grapevine, TX 76051 | Oil & Gas Operator | May 2026 |
| 28746 | Three-B Oil Company, The | Monahans, TX 79756 | Oil & Gas Operator | May 2026 |
| 28747 | Three-C Oil And Gas | Hebbronville, TX 78361 | Oil & Gas Operator | May 2026 |
| 28748 | Three-C Production Company | Temple, TX 76502 | Oil Operator | May 2026 |
| 28749 | Three-N-One | | Oil Operator | Oct 2020 |
| 28750 | Threet David Allen | Sand Springs, OK 74063-4035 | Oil & Gas Operator | Mar 2026 |
| 28751 | Threeway Drilling Company | Midland, TX 79701 | Oil & Gas Operator | Jun 2025 |
| 28752 | Thresher Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | May 2026 |
| 28753 | Threshold Development Company | Fort Worth, TX 76109 | Oil & Gas Operator | Aug 2016 |
| 28754 | Threshold Exploration, Inc. | College Sta, TX 77842 | Oil & Gas Operator | Oct 2015 |
| 28755 | Thriftway Company | Farmington, NM 87401 | Oil & Gas Operator | Dec 1996 |
| 28756 | Thriftway Marketing Corp | Farmington, NM 87401 | Gas Operator | Apr 2000 |
| 28757 | Thrifty Well Service | Rice, TX 75155 | Oil & Gas Operator | Jun 2009 |
| 28758 | Throckmorton Oil, Inc. | Throckmorton, TX 76483 | Oil & Gas Operator | Mar 2008 |
| 28759 | Throne Delaware Resources, LLC | McKinney, TX 75072 | Oil & Gas Operator | Dec 2021 |
| 28760 | Throne Petroleum Resources LLC | Houston, TX 77006 | Oil & Gas Operator | Aug 2021 |
| 28761 | Thropp, Kevin F D/B/A Marilyns Motors | | Oil & Gas Operator | Dec 2020 |
| 28762 | THT Covenant Holdings, LLC | Henrietta, TX 76365 | Oil Operator | May 2026 |
| 28763 | THT Operating Company | | Oil & Gas Operator | Jul 1990 |
| 28764 | Thums Long Beach Co. | | Oil & Gas Operator | Feb 2026 |
| 28765 | Thunder Basin Resources LLC | Denver, CO 80203 | Oil & Gas Operator | Jul 2023 |
| 28766 | Thunder Corp | Marietta, OH 45750 | Oil & Gas Operator | Dec 2014 |
| 28767 | Thunder Oil & Gas, LLC | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2026 |
| 28768 | Thunder Oil, LLC | | Oil & Gas Operator | Oct 1998 |
| 28769 | Thunder Petroleum LLC | Owasso, OK 74055-1563 | Oil Operator | Mar 2026 |
| 28770 | Thunder Resources LLC | Graham, TX 76450 | Oil Operator | May 2026 |
| 28771 | Thunderbird (Texas) Resources LP | Edmond, OK 73025 | Oil & Gas Operator | Apr 2019 |
| 28772 | Thunderbird Dril | | Oil & Gas Operator | Nov 1995 |
| 28773 | Thunderbird Drilling, Inc. | Wichita, KS 67207 | Oil Operator | Oct 2008 |
| 28774 | Thunderbird Energy, Inc. | Norman, OK 73069 | Oil & Gas Operator | May 2026 |
| 28775 | Thunderbird Oil | | Oil Operator | Oct 1991 |
| 28776 | Thunderbird Operating, L.L.C. | Graham, TX 76450 | Oil & Gas Operator | May 2026 |
| 28777 | Thunderbird Resources LP | | Oil & Gas Operator | Apr 2019 |
| 28778 | Thunderbolt Construction Corp. | Louisburg, KS 66053 | Oil Operator | Oct 2024 |
| 28779 | Thunderbolt Oil & Gas, Inc. | Abilene, TX 79605 | Oil & Gas Operator | Feb 2004 |
| 28780 | Thunderbolt Petroleum Co. LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2011 |
| 28781 | Thunderbolt Petroleum, LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2013 |
| 28782 | Thurber, Gueydon | Horseshoe Bay, TX 78657 | Oil Operator | May 2001 |
| 28783 | Thurner Energy Corporation | | Oil & Gas Operator | Dec 2001 |
| 28784 | Thurston Energy Operating | Vernal, UT 84078 | Oil & Gas Operator | Dec 2015 |
| 28785 | Thurston Texas Operating Co LLC | Dallas, TX 75219 | Oil Operator | May 2026 |
| 28786 | Tiara Resources, Inc. | Fort Worth, TX 76179 | Oil & Gas Operator | Apr 1998 |
| 28787 | Tiburon Oil & Gas Ohio, LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 2025 |
| 28788 | Tiburon Oil & Gas, Inc. | Midland, TX 79701 | Oil & Gas Operator | Aug 2000 |
| 28789 | Tice, Robin Alejandrina | Gordon, TX 76453 | Gas Operator | May 2026 |
| 28790 | Tickel Jim & Cindy | Blackwell, OK 74631-6015 | Oil Operator | Jan 2013 |
| 28791 | Ticklegrass Exploration, LLC | Elmore City, OK 73433 | Oil Operator | Feb 2026 |
| 28792 | Ticony Inc | | Oil & Gas Operator | Dec 1989 |
| 28793 | Tidal Petroleum, Inc. | Schertz, TX 78154 | Oil & Gas Operator | May 2026 |
| 28794 | Tidal Wave Energy, Inc. | New Castle, PA 16105 | Oil & Gas Operator | Jun 2022 |
| 28795 | Tidd, Frankie | Neosho Falls, KS 66758 | Oil Operator | Nov 1996 |
| 28796 | Tidd, Gary D. | Piqua, KS 66761 | Oil Operator | May 2016 |
| 28797 | Tide Energy, Inc. | Dallas, TX 75206 | Gas Operator | Oct 1994 |
| 28798 | Tide West Oil Company | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2021 |
| 28799 | Tideland Industries, Inc. | | Oil & Gas Operator | Dec 1989 |
| 28800 | Tidelands Oil Corporation | Crystal City, TX 78839 | Oil & Gas Operator | Aug 2003 |