| 701 | Texoma Production Co | | Oil & Gas Operator | Jun 1986 |
| 702 | Texon Oil Company, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2023 |
| 703 | Texona Petroleum Corporation | Houston, TX 77084 | Oil & Gas Operator | Aug 2003 |
| 704 | Texowa, LLC | Roanoke, TX 76262 | Oil Operator | Jun 2026 |
| 705 | Texoz E&P I, Inc. | Houston, TX 77077 | Oil & Gas Operator | Jun 2026 |
| 706 | Texploration | Rosharon, TX 77583 | Oil Operator | Jun 2026 |
| 707 | Texron Operating, LLC | Bulverde, TX 78163 | Oil & Gas Operator | Jun 2026 |
| 708 | Texstar Drilling, Inc. | Houston, TX 77084 | Oil & Gas Operator | Jun 2026 |
| 709 | Texstar North America, Inc. | Waynesboro, MS 39367 | Oil & Gas Operator | Aug 1994 |
| 710 | Texstar Oil & Gas, LLC | Luling, TX 78648 | Oil & Gas Operator | Jun 2026 |
| 711 | Texstar Operating Inc. | Slaton, TX 79364 | Oil & Gas Operator | Jun 2026 |
| 712 | Texstar Petroleum, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 2000 |
| 713 | Texsun Operating Company Limited | Abilene, TX 79601 | Oil & Gas Operator | Mar 1996 |
| 714 | Textroleum Production, Inc. | Lubbock, TX 79452 | Oil & Gas Operator | Mar 2008 |
| 715 | Textron Southwest Inc. | Henderson, TX 75654 | Oil & Gas Operator | Jun 2026 |
| 716 | Textron Southwest L.L.C. | Addison, TX 75001 | Oil & Gas Operator | Oct 2004 |
| 717 | Texu Inc. | Bridgeport, TX 76426 | Oil & Gas Operator | Jan 2007 |
| 718 | Texxol Operating Company, Inc. | Fort Worth, TX 76108 | Oil & Gas Operator | Jun 2026 |
| 719 | Texxon Resources, Inc. | Winter Park, FL 32792 | Oil & Gas Operator | Jun 2026 |
| 720 | Texzona Oil & Gas, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Dec 1997 |
| 721 | TFX, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2019 |
| 722 | TGNR East Texas II LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2026 |
| 723 | TGNR East Texas LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2026 |
| 724 | TGNR Gulf Coast LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2026 |
| 725 | TGNR Panola LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2026 |
| 726 | TGNR TVL LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 727 | Tgo Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Dec 2008 |
| 728 | TGT Petroleum Co | | Oil & Gas Operator | Apr 1995 |
| 729 | TGX Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 2004 |
| 730 | Thagard Trust | Rancho Santo, CA 92688 | Gas Operator | Jun 2026 |
| 731 | Thalmann Oil Field Service, Inc. | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Mar 2008 |
| 732 | Thalmann Oilfield | Carrizo SPGS, TX 78834 | Oil Operator | Jun 2026 |
| 733 | Thalmann, David Vac Service Inc | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Jun 2026 |
| 734 | Tharp Oil, A General Partnership | Chanute, KS 66720 | Oil Operator | Mar 2014 |
| 735 | Tharp Operating Company | Houston, TX 77070 | Oil & Gas Operator | Nov 2014 |
| 736 | Thaxton Operating | | Oil Operator | Jan 1994 |
| 737 | The A I Root Company | Medina, OH 44256 | Gas Operator | Dec 2025 |
| 738 | The Arvin Company | | Oil Operator | Dec 2004 |
| 739 | The B&B Oil Co Of Sabine Inc | | Oil Operator | Jun 1982 |
| 740 | The B&C Corp-Imp Amer MGT Co | | Oil & Gas Operator | Aug 1981 |
| 741 | The Ballard & Cordell Corp | | Oil & Gas Operator | Feb 1982 |
| 742 | The Bering Company | | Oil Operator | Jul 1979 |
| 743 | The Bill Bowman Oil Company | | Oil Operator | Feb 2026 |
| 744 | The Brinkerhoff Company | Denver, CO 80202 | Oil & Gas Operator | Dec 2017 |
| 745 | The Calvert Company | Oklahoma City, OK 73154-1589 | Oil & Gas Operator | Dec 2021 |
| 746 | The Carroll Rod & Gun Club, Inc. Of Frewsburg, Ny | Frewsburg, NY 14738 | Oil & Gas Operator | Dec 2024 |
| 747 | The Colborn Company, Inc. | Eunice, NM 88231 | Oil & Gas Operator | Jun 2025 |
| 748 | The Cornell Corporation | Fort Worth, TX 76109 | Oil & Gas Operator | Sep 1993 |
| 749 | The Dehart Company LLC | Ardmore, OK 73402-0907 | Oil Operator | Mar 2026 |
| 750 | The East Ohio Gas Company Dba Enbridge Gas Ohio | North Canton, OH 44720 | Oil & Gas Operator | Dec 2025 |
| 751 | The Edward H Everett Company | Newark, OH 43055 | Oil & Gas Operator | Dec 2025 |
| 752 | The Elliott Oil Corporation | | Oil & Gas Operator | Mar 2026 |
| 753 | The Exploration Co. Of La, Inc | | Oil & Gas Operator | Nov 1987 |
| 754 | The Galaxy Corporation | Sapulpa, OK 74066 | Oil & Gas Operator | Mar 2026 |
| 755 | The Gas & Oil Company LLC | Apollo, PA 15613 | Oil & Gas Operator | Dec 2025 |
| 756 | The George R Brown Partnership | | Oil & Gas Operator | Jun 1992 |
| 757 | The Gerry Homes | Gerry, NY 14740 | Gas Operator | Dec 2024 |
| 758 | The Glass Development Company | St. Marys, WV 26170-0000 | Oil & Gas Operator | Dec 2021 |
| 759 | The Goro Corporation | | Oil & Gas Operator | Jul 1978 |
| 760 | The Grapes Of Ross, LLC | Westfield, NY 14787 | Gas Operator | Dec 2024 |
| 761 | The Guinn Company LLC | Asher, OK 74826-6012 | Oil & Gas Operator | Dec 2025 |
| 762 | The Hampton Oil Corporation | | Oil & Gas Operator | Aug 2014 |
| 763 | The Harter Family Trust Of 1995 | | Oil Operator | Dec 2003 |
| 764 | The Harvest Group, LLC | | Oil & Gas Operator | May 2011 |
| 765 | The Hunter Company, Inc. | | Oil & Gas Operator | Sep 1985 |
| 766 | The Krik Company | | Oil Operator | Dec 2004 |
| 767 | The KT Oil Company LLC | Ada, OK 74820 | Oil & Gas Operator | Mar 2026 |
| 768 | The Lansdale Co. | | Oil & Gas Operator | Mar 2026 |
| 769 | The Maurice L. Brown Company | | Oil & Gas Operator | Aug 1987 |
| 770 | The Meridian Res. & Exp. LLC | | Oil & Gas Operator | Sep 2010 |
| 771 | The Meridian Resource & Exp Co | | Oil & Gas Operator | Dec 2000 |
| 772 | The Nahabedian Exploration Group LLC | | Oil & Gas Operator | Dec 2025 |
| 773 | The Ny Conf. Assoc. Of Seventh-Day Adventists | Syracuse, NY 13215 | Gas Operator | Dec 2024 |
| 774 | The Ohio Oil Company | | Oil Operator | Jan 2025 |
| 775 | The Operating Co. | Pampa, TX 79065 | Oil & Gas Operator | Sep 2007 |
| 776 | The Ozark Corp. | | Oil Operator | Apr 1970 |
| 777 | The Pioneer | | Gas Operator | Feb 2008 |
| 778 | The Port Of Long Beach | | Oil & Gas Operator | Dec 1997 |
| 779 | The Procter And Gamble Co. | | Gas Operator | Dec 1989 |
| 780 | The Production Co | Ligonier, PA 15658-0467 | Oil & Gas Operator | Dec 2012 |
| 781 | The Production Co LLC | Ligonier, PA 15658-0467 | Oil & Gas Operator | Dec 2020 |
| 782 | The Pyramid Corporation, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Dec 2009 |
| 783 | The Quintin Little Company Inc | Ardmore, OK 73401 | Oil & Gas Operator | Mar 2026 |
| 784 | The Raven Company LLC | Granbury, TX 76049 | Oil Operator | Mar 2010 |
| 785 | The Richardson Petroleum Corporation | Whitesville, NY 14897 | Oil & Gas Operator | Dec 2024 |
| 786 | The Robert And Donna Harwood Income Only Trust | Perry, NY 14530 | Gas Operator | Dec 2024 |
| 787 | The Romanoff Corporation | | Oil & Gas Operator | Nov 1989 |
| 788 | The Southern Louisiana Expl. Company LLC | | Oil & Gas Operator | Nov 2024 |
| 789 | The Stone Oil Corporation | | Oil & Gas Operator | May 1985 |
| 790 | The Stone Petro Corp-Toce Oil | | Oil & Gas Operator | Oct 1984 |
| 791 | The Superior Oc WM Scully Etal | | Oil & Gas Operator | Apr 1986 |
| 792 | The Superior Oil Co & Pel-Tex | | Oil & Gas Operator | Apr 1986 |
| 793 | The Superior Oil Co - Tesoro | | Oil & Gas Operator | Apr 1986 |
| 794 | The Termo Company | Long Beach, CA 90801 | Oil & Gas Operator | Apr 2026 |
| 795 | The Texas Company | FT Worth, TX 76101 | Oil & Gas Operator | Dec 2013 |
| 796 | The Trees Oil Company | Wichita, KS 67208 | Oil & Gas Operator | Nov 2014 |
| 797 | The Twenty Eleven Corp Inc | Ada, OK 74820-3605 | Oil Operator | Jan 2026 |
| 798 | The William R Earnhardt Company | Bristow, OK 74010 | Oil & Gas Operator | Feb 2026 |
| 799 | The WM G Helis Company, L.L.C. | | Oil & Gas Operator | Nov 2003 |
| 800 | The Woods Parcel, LLC | Orchard Park, NY 14127 | Gas Operator | Dec 2024 |