| 701 | Van Horn Oil Company | Ada, OK 74820 | Oil & Gas Operator | Oct 1999 |
| 702 | Vantage Point Operating Co. | Houston, TX 77057 | Oil & Gas Operator | Dec 2014 |
| 703 | Vaquero Resources, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2026 |
| 704 | Vastar Resources Inc | Houston, TX 77253 | Oil & Gas Operator | Dec 2025 |
| 705 | Veenker Resources Inc | Oklahoma City, OK 73113 | Oil & Gas Operator | Feb 2026 |
| 706 | Vega Energy Company | Nichols Hill, OK 73116 | Oil & Gas Operator | Sep 2015 |
| 707 | Viersen & Cochran Drilling Company | | Oil & Gas Operator | May 2015 |
| 708 | Vintage Petroleum, Inc. | Houston, TX 77046 | Oil & Gas Operator | Jan 2026 |
| 709 | Vitol Inc. | Houston, TX 77098 | Oil & Gas Operator | Sep 2023 |
| 710 | W S Crude Oil Purchasing Inc | Oklahoma City, OK 73129-7613 | Oil & Gas Operator | May 2008 |
| 711 | Walker Keith F | Ardmore, OK 73401 | Oil & Gas Operator | Jan 2019 |
| 712 | Wallace Oil & Gas Inc | Oklahoma City, OK 73156 | Oil & Gas Operator | Apr 2026 |
| 713 | Ward Petroleum Corporation | Enid, OK 73702 | Oil & Gas Operator | Jan 2026 |
| 714 | Warren Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2016 |
| 715 | Washita Oil And Gas, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
| 716 | Weatherly Oil & Gas, LLC | Dallas, TX 75206 | Oil & Gas Operator | Apr 2026 |
| 717 | Weinkauf Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2026 |
| 718 | Wessely Energy Company | Dallas, TX 75206 | Oil & Gas Operator | May 2001 |
| 719 | Westamerica Corporation | Dewey, OK 74029-0040 | Oil & Gas Operator | Aug 1999 |
| 720 | Weststar Oil & Gas Inc | Edmond, OK 73013 | Oil & Gas Operator | Feb 2026 |
| 721 | Wheeler Energy Co. | Tulsa, OK 74101 | Oil & Gas Operator | Feb 2026 |
| 722 | Wheeler Energy, LLC | Tulsa, OK 74101 | Oil & Gas Operator | Apr 2026 |
| 723 | White Rock Oil & Gas, LLC | Plano, TX 75024 | Oil & Gas Operator | Apr 2026 |
| 724 | White Star Petroleum II LLC | Oklahoma City, OK 73113-1360 | Oil & Gas Operator | Jan 2026 |
| 725 | White Star Petroleum LLC | Oklahoma City, OK 73116-7906 | Oil & Gas Operator | Dec 2025 |
| 726 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Apr 2026 |
| 727 | Whitley Oil & Gas Inc | Owasso, OK 74055 | Oil & Gas Operator | Jun 2009 |
| 728 | Williford Energy Company | Tulsa, OK 74135 | Oil & Gas Operator | Apr 2026 |
| 729 | Williford Resources LLC | Tulsa, OK 74136-1020 | Oil & Gas Operator | Feb 2026 |
| 730 | Wilshire Enterprises Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 731 | Windsor Energy Group LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Aug 2021 |
| 732 | WLW Oil & Gas LLC | Kingfisher, OK 73750 | Oil & Gas Operator | Feb 2026 |
| 733 | WN Operating Inc | Okmulgee, OK 74447 | Oil & Gas Operator | Jan 2026 |
| 734 | Wolverine Exploration Company | Houston, TX 77002 | Oil & Gas Operator | May 2019 |
| 735 | Woods Petroleum Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 736 | WR Oil & Gas LLC | Plano, TX 75024-3523 | Oil & Gas Operator | Feb 2026 |
| 737 | Wynn-Crosby Operating LP | Dallas, TX 75201 | Oil & Gas Operator | Jan 2026 |
| 738 | Xanadu Exploration Company | Broken Arrow, OK 74014 | Oil & Gas Operator | Feb 2026 |
| 739 | Xeric Oil & Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 2014 |
| 740 | Xog Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 741 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Apr 2026 |
| 742 | Yale Oil Association, Inc. | Oklahoma City, OK 73105 | Oil & Gas Operator | Feb 2026 |
| 743 | Yarhola Production Company | Drumright, OK 74030 | Oil & Gas Operator | Feb 2026 |
| 744 | Zephyr Operating Co LLC | Oklahoma City, OK 73118-6035 | Oil & Gas Operator | Feb 2026 |
| 745 | Zephyr SWD LLC | Oklahoma City, OK 73118-6035 | Oil Operator | Feb 2026 |
| 746 | ZP Disposal Systems LLC | Kingfisher, OK 73750 | Oil Operator | Feb 2026 |