| 701 | Siven Crude Oil Company | Lomita, CA 90717 | Oil & Gas Operator | Apr 2018 |
| 702 | Six "E" Trading Company | Henryetta, OK 74801 | Oil & Gas Operator | Sep 2020 |
| 703 | SJ Ok Oil Company | Dallas, TX 75206-9925 | Oil & Gas Operator | Dec 2024 |
| 704 | SLS Operating LLC | Seminole, OK 74868-5876 | Oil & Gas Operator | Jan 2025 |
| 705 | SLT Dakota Operating, Inc. | Yukon, OK 73099 | Oil & Gas Operator | Apr 2025 |
| 706 | Smith J S Production | Seminole, OK 74868 | Oil & Gas Operator | Jan 2025 |
| 707 | Smith Max Dean | Wewoka, OK 74884 | Oil & Gas Operator | Dec 2024 |
| 708 | Smith Petroleum Company | Spring, TX 77389 | Oil & Gas Operator | Apr 2025 |
| 709 | Smith Terry | Wewoka, OK 74884 | Oil & Gas Operator | Mar 2015 |
| 710 | Sonata Oil & Gas Corp Inc | Stratford, OK 74812 | Oil & Gas Operator | Apr 2014 |
| 711 | Sopac Exploration Inc | Drumright, OK 74030 | Oil & Gas Operator | Jun 1993 |
| 712 | Southerland Jackie Dale Dba Skyden Oil | Duncan, OK 73533-5392 | Oil & Gas Operator | Feb 2025 |
| 713 | Southern Resources Inc | Oklahoma City, OK 73118-4821 | Oil & Gas Operator | Jan 2025 |
| 714 | Sparks Resources Inc | Bristow, OK 74010 | Oil & Gas Operator | Feb 2025 |
| 715 | Sparlin J L | Oklahoma City, OK 73156-1446 | Oil Operator | Feb 2025 |
| 716 | Spring Resources, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jul 2007 |
| 717 | SRW Operating LLC | Duncan, OK 73534-2087 | Oil & Gas Operator | Sep 2014 |
| 718 | Stargas Co | Tulsa, OK 74136-5407 | Oil & Gas Operator | Aug 2013 |
| 719 | Starks Leslie | Wetumka, OK 74883-0003 | Oil & Gas Operator | Oct 1995 |
| 720 | Staub, Larry, Inc. | Azle, TX 76020 | Oil & Gas Operator | Apr 2025 |
| 721 | Steele VIctor Patterson | Wewoka, OK 74884-0560 | Oil & Gas Operator | Jan 2001 |
| 722 | Stephen Michael Inc | Midwest City, OK 73130-5200 | Oil & Gas Operator | Oct 2015 |
| 723 | Stewart K Petroleum Corp | Edmond, OK 73013 | Oil & Gas Operator | Mar 2015 |
| 724 | Stoneriver Energy, LLC | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2025 |
| 725 | Stover Company | Tulsa, OK 74152-0786 | Oil & Gas Operator | Jan 2013 |
| 726 | Stover Oil Company | Konawa, OK 74849-0216 | Oil & Gas Operator | Jul 2002 |
| 727 | Sturman Jay R | Mounds, OK 74047 | Oil & Gas Operator | Apr 2024 |
| 728 | Sultex Oil & Gas Inc | Houston, TX 77059-3126 | Oil & Gas Operator | Aug 2002 |
| 729 | Sun Refining & Marketing | Philadelphia, PA 19103 | Oil & Gas Operator | Jul 2015 |
| 730 | Sunoco Partners MKT & Terminal | Tulsa, OK 74102-2039 | Oil & Gas Operator | Jan 2019 |
| 731 | Swadley Et Al | Holdenville, OK 74848-0794 | Oil & Gas Operator | Nov 2014 |
| 732 | Swadley Roy W & Judith I | Holdenville, OK 74848-0794 | Oil & Gas Operator | Mar 2015 |
| 733 | Swanson G T | Duncan, OK 73533 | Oil & Gas Operator | Nov 1998 |
| 734 | Swearingen Robert E Dba Sabo Production | Seminole, OK 74868 | Oil & Gas Operator | Jan 2025 |
| 735 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
| 736 | Tahoe Exploration Inc. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2016 |
| 737 | Tapoil Inc | Elmore City, OK 73433-9077 | Oil & Gas Operator | Jul 2021 |
| 738 | Taylor Petroleum LLC | Crescent, OK 73028-0340 | Oil & Gas Operator | Dec 2016 |
| 739 | Taylor R C Companies Inc | Oklahoma City, OK 73118-4015 | Oil & Gas Operator | May 2021 |
| 740 | Tcina Inc | Seminole, OK 74868 | Oil & Gas Operator | May 2023 |
| 741 | Tenneco Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Dec 2024 |
| 742 | Terry Jack | Konawa, OK 74849-0337 | Oil Operator | Feb 2012 |
| 743 | Texaco Expl. And Prod. Inc. | Houston, TX 77236 | Oil & Gas Operator | Feb 2025 |
| 744 | Texas United Petroleum Inc | Dallas, TX 75243 | Oil & Gas Operator | Jun 2003 |
| 745 | Thayer Exploration Company | Wetumka, OK 74883 | Gas Operator | Dec 1996 |
| 746 | The KT Oil Company LLC | Ada, OK 74820 | Oil Operator | Jan 2025 |
| 747 | The Quintin Little Company Inc | Ardmore, OK 73401 | Oil & Gas Operator | Feb 2025 |
| 748 | The William R Earnhardt Company | Bristow, OK 74010 | Oil & Gas Operator | Jan 2025 |
| 749 | Thompson, Joe L., Inc. | Oklahoma City, OK 73132 | Oil & Gas Operator | Oct 2005 |
| 750 | Three MG Family Inc | Holdenville, OK 74848 | Oil & Gas Operator | May 2013 |
| 751 | Thunder Oil & Gas, LLC | Ardmore, OK 73402 | Oil & Gas Operator | Jan 2025 |
| 752 | Tide West Oil Company | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2021 |
| 753 | Tidemark Exploration | Tulsa, OK 74170 | Oil & Gas Operator | May 2005 |
| 754 | Tilford Pinson Exploration LLC | Edmond, OK 73003 | Oil & Gas Operator | Jan 2025 |
| 755 | Titan Resources LTD | Limaville, OH 44640 | Oil & Gas Operator | Feb 2025 |
| 756 | TK Drilling Corp. | Tulsa, OK 74133 | Oil & Gas Operator | Jan 2025 |
| 757 | Toklan Oil And Gas Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2025 |
| 758 | Toma Explorations LLC | Shawnee, OK 74801-6925 | Oil & Gas Operator | Jan 2025 |
| 759 | Topsail Secondary Recovery LLC | Edmond, OK 73013 | Oil & Gas Operator | Jan 2025 |
| 760 | Totalfinaelf E&P USA Inc | Houston, TX 77024 | Oil & Gas Operator | Jul 2007 |
| 761 | Townsend Operating Company | | Oil & Gas Operator | Jan 2008 |
| 762 | Trail Ridge Energy Partners, LLC | Grapevine, TX 76051 | Oil & Gas Operator | Feb 2025 |
| 763 | Trans Atlantic Resource Corp | Tulsa, OK 74136-5709 | Oil & Gas Operator | Nov 1998 |
| 764 | Transoil, Inc. | Oklahoma City, OK 73129 | Oil & Gas Operator | Apr 2025 |
| 765 | Transok LLC | Oklahoma City, OK 73124-0300 | Oil & Gas Operator | Jul 2020 |
| 766 | Travis Peak Resources LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 767 | Trepco Production Company, Inc. | Yukon, OK 73099 | Oil & Gas Operator | Jan 2025 |
| 768 | Trey Resources Inc. | Midland, TX 79710 | Oil & Gas Operator | Jan 2025 |
| 769 | Triad Energy, Inc. | Oklahoma City, OK 73105-1401 | Oil & Gas Operator | Feb 2025 |
| 770 | Triangle Interprises Inc | Justin, TX 76247-0598 | Oil & Gas Operator | Jun 2015 |
| 771 | Tridon Oil Inc | Lafayette, LA 70505-2305 | Gas Operator | Dec 2013 |
| 772 | Trineha Inc | Ardmore, OK 73402-2478 | Oil & Gas Operator | Jun 2009 |
| 773 | Trinity Oil & Gas Inc | Pauls Valley, OK 73075 | Oil Operator | Jan 2025 |
| 774 | Trinity Oil & Gas Producers LLC | Allen, OK 74825 | Oil & Gas Operator | Jan 2025 |
| 775 | Trinity Operating (Usg), LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |
| 776 | Trio Operating Company, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2006 |
| 777 | Tripower Resources LLC | Ardmore, OK 73402 | Oil & Gas Operator | Apr 2025 |
| 778 | Tripower Resources, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2020 |
| 779 | Triumph Resources Inc | Oklahoma City, OK 73114 | Oil & Gas Operator | Nov 2004 |
| 780 | Trivestco Energy Company | Ponca City, OK 74601 | Oil & Gas Operator | Feb 2025 |
| 781 | Trueblood Resources, Inc. | Denver, CO 80222 | Oil & Gas Operator | Apr 2025 |
| 782 | Truevine Operating LLC | Ada, OK 74821-1422 | Oil & Gas Operator | Jan 2025 |
| 783 | Turntable Energy Inc | Ponca City, OK 74604 | Oil & Gas Operator | Jan 2025 |
| 784 | Two Gems Company | McAlester, OK 74502-1996 | Oil & Gas Operator | Jan 2025 |
| 785 | Txo Production Corp. | Ganado, TX 77962 | Oil & Gas Operator | Aug 2022 |
| 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 | Union Valley Petroleum Corporation | Enid, OK 73701 | Oil & Gas Operator | Feb 2025 |
| 789 | Unit Petroleum Company | Tulsa, OK 74170 | Oil & Gas Operator | Apr 2025 |
| 790 | United Energy & Expl Inc | Ada, OK 74821-2449 | Oil & Gas Operator | Jan 2025 |
| 791 | United Energy & Exploration LLC | Ada, OK 74821 | Oil & Gas Operator | Jan 2025 |
| 792 | United Production Company LLC | Edmond, OK 73003 | Oil & Gas Operator | Feb 2025 |
| 793 | Valence Operating Company | Kingwood, TX 77339 | Oil & Gas Operator | Apr 2025 |
| 794 | Van Horn Oil Company | Ada, OK 74820 | Oil & Gas Operator | Oct 1999 |
| 795 | Vanguard Permian LLC | Houston, TX 77057 | Oil & Gas Operator | Nov 2018 |
| 796 | Vega Energy Company | Nichols Hill, OK 73116 | Oil & Gas Operator | Sep 2015 |
| 797 | Victory Petroleum Inc | Tulsa, OK 74170-0354 | Oil & Gas Operator | May 2013 |
| 798 | Vitol Inc | Houston, TX 77002 | Oil & Gas Operator | Sep 2023 |
| 799 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2025 |
| 800 | Walden E F | Ada, OK 74820 | Oil & Gas Operator | Aug 2014 |