| 701 | Southwest Exploration Company | Oklahoma City, OK 73132-2230 | Oil & Gas Operator | Jun 2017 |
| 702 | Special Energy Corp. | Stillwater, OK 74076 | Oil & Gas Operator | Dec 2025 |
| 703 | Speer Kenneth G | Seminole, OK 74818-1202 | Oil & Gas Operator | Dec 2001 |
| 704 | Sportsman Oil, Inc. | Dallas, TX 75379 | Oil & Gas Operator | Nov 1998 |
| 705 | SSB Production LC | Ardmore, OK 73401 | Oil & Gas Operator | Oct 2025 |
| 706 | Staghorn Petroleum II LLC | Tulsa, OK 74103-3500 | Oil & Gas Operator | Oct 2025 |
| 707 | Stalnaker Oil Company | Maud, OK 74854-0295 | Oil Operator | May 2017 |
| 708 | Stephens & Johnson Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2025 |
| 709 | Stephens Operating Inc | Ardmore, OK 73401 | Oil & Gas Operator | Sep 2014 |
| 710 | Stephens Production Company | The Woodlands, TX 77381 | Oil & Gas Operator | Oct 2025 |
| 711 | Sterling Oil Of Okla Inc | Tulsa, OK 74170-2163 | Oil & Gas Operator | Nov 2006 |
| 712 | Stillwater Oil & Gas | Irving, TX 75062 | Oil & Gas Operator | Mar 2015 |
| 713 | Stobaugh G B Trust | Oklahoma City, OK 73124 | Oil Operator | Aug 2025 |
| 714 | Stokes Donna L | Blanchard, OK 73010 | Oil & Gas Operator | Jun 2023 |
| 715 | Stoneridge Oil Inc | Ponca City, OK 74601-1600 | Oil & Gas Operator | Jan 2001 |
| 716 | Stoneriver Energy, LLC | Lubbock, TX 79424 | Oil & Gas Operator | Dec 2025 |
| 717 | Stover Company | Tulsa, OK 74152-0786 | Oil & Gas Operator | Jan 2013 |
| 718 | Stover Oil Company | Konawa, OK 74849-0216 | Oil & Gas Operator | Jul 2002 |
| 719 | STP Cherokee Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2014 |
| 720 | STP Newco Inc | Oklahoma City, OK 73102-5641 | Oil & Gas Operator | Jul 2021 |
| 721 | Streamline Oil And Gas Inc | Lindsey, OK 73052 | Oil & Gas Operator | Oct 2025 |
| 722 | Striker Management Co LLC | Shawnee, OK 74801 | Oil & Gas Operator | Sep 2025 |
| 723 | Sullivan And Company LLC | Tulsa, OK 74119 | Oil & Gas Operator | Sep 2025 |
| 724 | Sun Amer Petro Resources Inc | Moore, OK 73153-7133 | Oil & Gas Operator | May 1993 |
| 725 | Swadley Roy W & Judith I | Holdenville, OK 74848-0794 | Oil & Gas Operator | Mar 2015 |
| 726 | Swearingen Robert E Dba Sabo Production | Seminole, OK 74868 | Oil & Gas Operator | Sep 2025 |
| 727 | Swinea Well Service Inc | Drumright, OK 74030 | Oil & Gas Operator | Mar 2015 |
| 728 | Sylvan Oil Operating Company | Tulsa, OK 74103-3516 | Oil & Gas Operator | Apr 2016 |
| 729 | T & K Oil Inc | Stephens, AR 71764 | Oil Operator | Jan 2025 |
| 730 | T & M Oil & Royalty | Ada, OK 74820 | Oil & Gas Operator | Sep 2025 |
| 731 | T B K Energy Company | Brenham, TX 77833 | Oil & Gas Operator | Oct 2025 |
| 732 | T L C Oil Inc | Seminole, OK 74868 | Oil & Gas Operator | Sep 2025 |
| 733 | Tahoe Exploration Inc. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2016 |
| 734 | Tat, Inc. | Oklahoma City, OK 73127 | Oil & Gas Operator | Feb 2023 |
| 735 | Tate Exploration | Lakin, KS 67860 | Oil & Gas Operator | Sep 1994 |
| 736 | Tcina Inc | Seminole, OK 74868 | Oil & Gas Operator | May 2023 |
| 737 | Tekenergy Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 738 | Terra Production Company | Okemah, OK 74859-5924 | Oil & Gas Operator | Apr 2020 |
| 739 | Terrapet Corporation | | Oil & Gas Operator | Jun 2011 |
| 740 | Terry Jack | Konawa, OK 74849-0337 | Oil Operator | Feb 2012 |
| 741 | Tessera Energy LLC | Oklahoma City, OK 73120 | Oil & Gas Operator | Oct 2025 |
| 742 | Tex-Star Production | Dallas, TX 75206 | Oil & Gas Operator | Oct 2025 |
| 743 | Texaco Exploration & Prod Inc | Houston, TX 77236 | Oil & Gas Operator | Jun 2025 |
| 744 | Texaco Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Dec 2017 |
| 745 | Texakoma Oil & Gas Corp | Dallas, TX 75240 | Oil & Gas Operator | Sep 2014 |
| 746 | Texakoma Operating, L.P. | Plano, TX 75024 | Oil & Gas Operator | Mar 2025 |
| 747 | Texas United Petroleum Inc | Dallas, TX 75243 | Oil & Gas Operator | Jun 2003 |
| 748 | Texoma Oil & Gas Corporation | Longview, TX 75604-3137 | Oil Operator | Apr 2014 |
| 749 | The Guinn Company LLC | Asher, OK 74826-6012 | Oil & Gas Operator | Jun 2025 |
| 750 | The Twenty Eleven Corp Inc | Ada, OK 74820-3605 | Oil Operator | Oct 2025 |
| 751 | Thomas B Rixleben | | Oil & Gas Operator | Jul 2008 |
| 752 | Thomas Production | Electra, TX 76360 | Oil & Gas Operator | Mar 2015 |
| 753 | Thomas Wayne Oil & Gas | Bristow, OK 74010-0544 | Oil & Gas Operator | Jan 2018 |
| 754 | THR Oil | Konawa, OK 74849 | Oil & Gas Operator | Jan 2014 |
| 755 | Three MG Family Inc | Holdenville, OK 74848 | Oil & Gas Operator | May 2013 |
| 756 | Thunder Oil & Gas, LLC | Ardmore, OK 73402 | Oil & Gas Operator | Oct 2025 |
| 757 | Tide West Oil Company | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2021 |
| 758 | Tiger Oil Company | Dallas, TX 75221 | Oil & Gas Operator | May 2007 |
| 759 | Tiger Trucks Inc | Seminole, OK 74868 | Oil & Gas Operator | Oct 2025 |
| 760 | TKL Oil Properties Inc | Konawa, OK 74849 | Oil & Gas Operator | May 2025 |
| 761 | TNT Operating Company Inc | Blanchard, OK 73010 | Oil & Gas Operator | Aug 2025 |
| 762 | Tolson Gary | Seminole, OK 74868-3267 | Oil & Gas Operator | Sep 2025 |
| 763 | Toma Explorations LLC | Shawnee, OK 74801-6925 | Oil & Gas Operator | Feb 2025 |
| 764 | Totalfinaelf E&P USA Inc | Houston, TX 77024 | Oil & Gas Operator | Jul 2007 |
| 765 | Tower Wanda L Nations | Oklahoma City, OK 73123 | Oil & Gas Operator | Aug 1996 |
| 766 | Townsend Operating Company | | Oil & Gas Operator | Jan 2008 |
| 767 | Townsend V E | Ada, OK 74820 | Oil & Gas Operator | May 2013 |
| 768 | Trace Oil & Gas LP | Cement, OK 73017 | Oil & Gas Operator | Oct 2025 |
| 769 | Trachtenberg Daniel S | Houston, TX 77071 | Oil Operator | Sep 2025 |
| 770 | Transoil, Inc. | Oklahoma City, OK 73129 | Oil & Gas Operator | Dec 2025 |
| 771 | Trenon Oil & Gas Inc | Oklahoma City, OK 73112-4279 | Oil & Gas Operator | Sep 1996 |
| 772 | Tri-State Pipeline Service Inc | Ninnekah, OK 73067-0189 | Oil & Gas Operator | Mar 2011 |
| 773 | Triangle Interprises Inc | Justin, TX 76247-0598 | Oil & Gas Operator | Jun 2015 |
| 774 | Triangle Three Resources L.L.C. | Dallas, TX 75240 | Oil & Gas Operator | Oct 2024 |
| 775 | Triple C Properties Inc | Seminole, OK 74818 | Oil & Gas Operator | Jul 2025 |
| 776 | Triple Diamond Energy Operating LLC | Dallas, TX 75254-8352 | Oil & Gas Operator | Jun 2014 |
| 777 | Triple L Management Co Inc | Edmond, OK 73025-2908 | Oil & Gas Operator | Apr 2018 |
| 778 | Tripower Resources LLC | Ardmore, OK 73402 | Oil & Gas Operator | Dec 2025 |
| 779 | Tripower Resources, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2020 |
| 780 | Trivestco Energy Company | Ponca City, OK 74601 | Oil & Gas Operator | Oct 2025 |
| 781 | True Performance Administrators LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Sep 2025 |
| 782 | Twenty/Twenty Oil & Gas Inc | Hennessey, OK 73742 | Oil & Gas Operator | Oct 2025 |
| 783 | Two Gems Company | McAlester, OK 74502-1996 | Oil & Gas Operator | Sep 2025 |
| 784 | Txo Production Corp. | Ganado, TX 77962 | Oil & Gas Operator | Aug 2022 |
| 785 | Tyler Enterprises Inc | Bristow, OK 74010-3192 | Oil & Gas Operator | Feb 2004 |
| 786 | U S Drilling Company Inc | Holdenville, OK 74848-0913 | Oil & Gas Operator | Mar 2017 |
| 787 | Umc Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 788 | Underwood Oil And Gas LLC | Chandler, OK 74834-1414 | Oil & Gas Operator | Oct 2025 |
| 789 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
| 790 | United Energy & Expl Inc | Ada, OK 74821-2449 | Oil & Gas Operator | Aug 2025 |
| 791 | United Energy & Exploration LLC | Ada, OK 74821 | Oil & Gas Operator | Oct 2025 |
| 792 | United Texas Petroleum Inc. | McKinney, TX 75070 | Oil & Gas Operator | Dec 2025 |
| 793 | Urban Oil & Gas Group, LLC | Plano, TX 75074 | Oil & Gas Operator | Dec 2025 |
| 794 | Van Horn Oil & Gas Inc | Tulsa, OK 74170 | Oil & Gas Operator | Nov 1998 |
| 795 | Van Horn Oil Company | Ada, OK 74820 | Oil & Gas Operator | Oct 1999 |
| 796 | Vaughan Otto M | | Oil & Gas Operator | Apr 2014 |
| 797 | Vaughan Production Company, Inc. | Norman, OK 73072 | Oil & Gas Operator | Sep 2014 |
| 798 | Veenker Resources Inc | Oklahoma City, OK 73113 | Oil & Gas Operator | Oct 2025 |
| 799 | Venis Dwain | Seminole, OK 74818-1975 | Oil & Gas Operator | Feb 2012 |
| 800 | Venis Exploration Company | Aledo, TX 76008 | Oil & Gas Operator | Oct 2024 |