| 28901 | Three Bros. Energy, Inc. | Ponca City, OK 74601 | Gas Operator | Dec 2013 |
| 28902 | Three C Exploration, LLC | Hebbronville, TX 78361 | Oil & Gas Operator | Sep 2026 |
| 28903 | Three D Oil Comp | | Oil & Gas Operator | Jan 1988 |
| 28904 | Three D Petroleum LLC | | Oil Operator | Dec 2024 |
| 28905 | Three D Resources Inc | Liberal, KS 67905 | Oil & Gas Operator | May 2026 |
| 28906 | Three D Submersible Pumps, Inc. | Heavener, OK 74937 | Oil & Gas Operator | Aug 2003 |
| 28907 | Three Forks Operating Co, LLC | Flatonia, TX 78941 | Oil & Gas Operator | Sep 2026 |
| 28908 | Three Forks Resources, LLC | Wheat Ridge, CO 80033 | Oil & Gas Operator | Sep 2026 |
| 28909 | Three G Inc | Cody, WY 82414 | Oil & Gas Operator | Dec 1999 |
| 28910 | Three G Oil Co | Baird, TX 79504 | Oil & Gas Operator | Jun 2004 |
| 28911 | Three J Energy, Inc. | Seguin, TX 78155 | Oil & Gas Operator | Sep 2026 |
| 28912 | Three J Operating Company, Inc. | Jacksboro, TX 76458 | Oil & Gas Operator | Sep 2026 |
| 28913 | Three J'S Petroleum, Inc. | Lubbock, TX 79423 | Oil & Gas Operator | Sep 2026 |
| 28914 | Three MG Family Inc | Holdenville, OK 74848 | Oil & Gas Operator | May 2013 |
| 28915 | Three Mile Joint Venture | Houston, TX 77027 | Oil & Gas Operator | Jul 1995 |
| 28916 | Three P Operating Co.,GP, L.L.C. | Newcastle, TX 76372 | Oil & Gas Operator | Sep 2026 |
| 28917 | Three P Operating Company | Newcastle, TX 76372 | Oil & Gas Operator | Nov 2007 |
| 28918 | Three Point Energy L.L.C. | Atlanta, TX 75551 | Oil Operator | Sep 2026 |
| 28919 | Three R Oil Company | Post, TX 79356 | Oil & Gas Operator | Sep 2026 |
| 28920 | Three Rivers Exploration LLC | Olpe, KS 66865 | Oil Operator | Sep 2023 |
| 28921 | Three Rivers Oper Co III LLC | Austin, TX 78735 | Oil & Gas Operator | Nov 2017 |
| 28922 | Three Rivers Operating Co II LLC | Austin, TX 78735 | Oil & Gas Operator | Mar 2017 |
| 28923 | Three Rivers Operating Co LLC | Austin, TX 78735 | Oil & Gas Operator | Mar 2017 |
| 28924 | Three S & T Oil Co., Inc. | | Oil & Gas Operator | May 1985 |
| 28925 | Three Sands Investment Company | Waukomis, OK 73773 | Oil & Gas Operator | May 2026 |
| 28926 | Three Sands Oil Inc | Perry, OK 73077 | Oil & Gas Operator | May 2023 |
| 28927 | Three Sisters Investments, LTD | | Oil & Gas Operator | Oct 1989 |
| 28928 | Three Sisters LLC | Cheyenne, WY 82001 | Oil Operator | Jun 2026 |
| 28929 | Three Sisters Petroleum, Inc. | Oil City, LA 71061 | Oil & Gas Operator | Jan 2025 |
| 28930 | Three Span Oil & Gas, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2026 |
| 28931 | Three Star Energy Inc | | Gas Operator | Nov 1997 |
| 28932 | Three States Natural Gas | | Oil & Gas Operator | Mar 1976 |
| 28933 | Three Summits Operating LLC | Grapevine, TX 76051 | Oil & Gas Operator | Sep 2026 |
| 28934 | Three-B Oil Company, The | Monahans, TX 79756 | Oil & Gas Operator | Sep 2026 |
| 28935 | Three-C Oil And Gas | Hebbronville, TX 78361 | Oil & Gas Operator | Sep 2026 |
| 28936 | Three-C Production Company | Temple, TX 76502 | Oil Operator | Sep 2026 |
| 28937 | Three-N-One | | Oil Operator | Oct 2020 |
| 28938 | Threet David Allen | Sand Springs, OK 74063-4035 | Oil & Gas Operator | Jun 2026 |
| 28939 | Threeway Drilling Company | Midland, TX 79701 | Oil & Gas Operator | Jun 2025 |
| 28940 | Thresher Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Sep 2026 |
| 28941 | Threshold Development Company | Fort Worth, TX 76109 | Oil & Gas Operator | Aug 2016 |
| 28942 | Threshold Exploration, Inc. | College Sta, TX 77842 | Oil & Gas Operator | Oct 2015 |
| 28943 | Thriftway Company | Farmington, NM 87401 | Oil & Gas Operator | Dec 1996 |
| 28944 | Thriftway Marketing Corp | Farmington, NM 87401 | Gas Operator | Apr 2000 |
| 28945 | Thrifty Well Service | Rice, TX 75155 | Oil & Gas Operator | Jun 2009 |
| 28946 | Throckmorton Oil, Inc. | Throckmorton, TX 76483 | Oil & Gas Operator | Mar 2008 |
| 28947 | Throne Delaware Resources, LLC | McKinney, TX 75072 | Oil & Gas Operator | Dec 2021 |
| 28948 | Throne Petroleum Resources LLC | Houston, TX 77006 | Oil & Gas Operator | Aug 2021 |
| 28949 | Thropp, Kevin F D/B/A Marilyns Motors | | Oil & Gas Operator | Dec 2020 |
| 28950 | THT Covenant Holdings, LLC | Henrietta, TX 76365 | Oil Operator | Sep 2026 |
| 28951 | THT Operating Company | | Oil & Gas Operator | Jul 1990 |
| 28952 | Thums Long Beach Co. | | Oil & Gas Operator | Jul 2026 |
| 28953 | Thunder Basin Resources LLC | Denver, CO 80203 | Oil & Gas Operator | Jul 2023 |
| 28954 | Thunder Corp | Marietta, OH 45750 | Oil & Gas Operator | Dec 2014 |
| 28955 | Thunder Oil & Gas, LLC | Ardmore, OK 73402 | Oil & Gas Operator | Jul 2026 |
| 28956 | Thunder Oil, LLC | | Oil & Gas Operator | Oct 1998 |
| 28957 | Thunder Petroleum LLC | Owasso, OK 74055-1563 | Oil Operator | Mar 2026 |
| 28958 | Thunder Resources LLC | Graham, TX 76450 | Oil Operator | Sep 2026 |
| 28959 | Thunderbird (Texas) Resources LP | Edmond, OK 73025 | Oil & Gas Operator | Apr 2019 |
| 28960 | Thunderbird Dril | | Oil & Gas Operator | Nov 1995 |
| 28961 | Thunderbird Drilling, Inc. | Wichita, KS 67207 | Oil Operator | Oct 2008 |
| 28962 | Thunderbird Energy, Inc. | Norman, OK 73069 | Oil & Gas Operator | Sep 2026 |
| 28963 | Thunderbird Oil | | Oil Operator | Oct 1991 |
| 28964 | Thunderbird Operating, L.L.C. | Graham, TX 76450 | Oil & Gas Operator | Sep 2026 |
| 28965 | Thunderbird Resources LP | | Oil & Gas Operator | Apr 2019 |
| 28966 | Thunderbolt Construction Corp. | Louisburg, KS 66053 | Oil Operator | Oct 2024 |
| 28967 | Thunderbolt Oil & Gas, Inc. | Abilene, TX 79605 | Oil & Gas Operator | Feb 2004 |
| 28968 | Thunderbolt Petroleum Co. LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2011 |
| 28969 | Thunderbolt Petroleum, LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2013 |
| 28970 | Thurber, Gueydon | Horseshoe Bay, TX 78657 | Oil Operator | May 2001 |
| 28971 | Thurner Energy Corporation | | Oil & Gas Operator | Dec 2001 |
| 28972 | Thurston Energy Operating | Vernal, UT 84078 | Oil & Gas Operator | Dec 2015 |
| 28973 | Thurston Texas Operating Co LLC | Dallas, TX 75219 | Oil Operator | Sep 2026 |
| 28974 | Tiara Resources, Inc. | Fort Worth, TX 76179 | Oil & Gas Operator | Apr 1998 |
| 28975 | Tiburon Oil & Gas Ohio, LLC | Houston, TX 77057 | Oil & Gas Operator | Jun 2026 |
| 28976 | Tiburon Oil & Gas, Inc. | Midland, TX 79701 | Oil & Gas Operator | Aug 2000 |
| 28977 | Tice, Robin Alejandrina | Gordon, TX 76453 | Gas Operator | Sep 2026 |
| 28978 | Tickel Jim & Cindy | Blackwell, OK 74631-6015 | Oil Operator | Jan 2013 |
| 28979 | Ticony Inc | | Oil & Gas Operator | Dec 1989 |
| 28980 | Tidal Petroleum, Inc. | Schertz, TX 78154 | Oil & Gas Operator | Sep 2026 |
| 28981 | Tidal Wave Energy, Inc. | New Castle, PA 16105 | Oil & Gas Operator | Jun 2022 |
| 28982 | Tidd, Frankie | Neosho Falls, KS 66758 | Oil Operator | Nov 1996 |
| 28983 | Tidd, Gary D. | Piqua, KS 66761 | Oil Operator | May 2016 |
| 28984 | Tide West Oil Company | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2021 |
| 28985 | Tideland Industries, Inc. | | Oil & Gas Operator | Dec 1989 |
| 28986 | Tidelands Oil Corporation | Crystal City, TX 78839 | Oil & Gas Operator | Aug 2003 |
| 28987 | Tidelands Oil Production Co. | | Oil & Gas Operator | Jul 2026 |
| 28988 | Tidelands Resources, Inc. | | Gas Operator | Oct 1990 |
| 28989 | Tidemark Exploration | Tulsa, OK 74170 | Oil & Gas Operator | May 2005 |
| 28990 | Tidemark Exploration Inc | Tulsa, OK 74120 | Oil & Gas Operator | Apr 2019 |
| 28991 | Tidemark Petroleum, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2002 |
| 28992 | Tidewater Co | | Oil & Gas Operator | Sep 1967 |
| 28993 | Tidewater Minerals Corporation | Orange Grove, TX 78372 | Oil & Gas Operator | Sep 2026 |
| 28994 | Tidewater Operating Co Inc | Tulsa, OK 74136-6308 | Oil & Gas Operator | Jul 2026 |
| 28995 | Tidewater Resources Corporation | Germantown, TN 38138 | Gas Operator | Feb 2025 |
| 28996 | Tideway Oil Programs, Inc. | | Oil & Gas Operator | Oct 1980 |
| 28997 | Tidlow | Santa Fe, NM 87508 | Oil & Gas Operator | Dec 2007 |
| 28998 | Tidmore, Ann | Albany, TX 76430 | Oil & Gas Operator | Sep 2026 |
| 28999 | Tidwell Oil LLC | Roff, OK 74865 | Oil Operator | Feb 2022 |
| 29000 | Tidwell Production Company | Sonora, TX 76950 | Oil & Gas Operator | Sep 2026 |