| 801 | Waterbridge Arkoma Operating LLC | Houston, TX 77056 | Oil Operator | Feb 2025 |
| 802 | Waterloo Exploration LLC | Tulsa, OK 74136-4226 | Gas Operator | Jan 2025 |
| 803 | Watkins J L | Henryetta, OK 74437 | Oil & Gas Operator | Jan 2025 |
| 804 | Weatherly Oil & Gas, LLC | Dallas, TX 75206 | Oil & Gas Operator | Apr 2025 |
| 805 | Weinkauf Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2025 |
| 806 | Wentworth Operating Company | Oklahoma City, OK 73162-1863 | Oil & Gas Operator | Feb 2025 |
| 807 | WFD Oil Corporation | Edmond, OK 73012-0619 | Oil & Gas Operator | Jan 2025 |
| 808 | Wheeler Energy Co. | Tulsa, OK 74101 | Oil & Gas Operator | Jan 2025 |
| 809 | Wheeler Energy, LLC | Tulsa, OK 74101 | Oil & Gas Operator | Apr 2025 |
| 810 | Wild Horse Tank Trucks Inc | Duncan, OK 73533-7667 | Oil Operator | Oct 2016 |
| 811 | Williams Dale And Dorothy Family Trust | Maud, OK 74854-2011 | Oil & Gas Operator | Jan 2025 |
| 812 | Williams Doyle Dba BCF Gas | Tulsa, OK 74114-7099 | Oil & Gas Operator | Jul 2023 |
| 813 | Williams Reid Oil Co | Dallas, TX 75234 | Oil & Gas Operator | Jan 2025 |
| 814 | Wilshire Enterprises Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 815 | Windsor Energy Group LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Aug 2021 |
| 816 | Winston Oil Co | Marietta, OH 45750-754-754 | Oil & Gas Operator | Jan 2025 |
| 817 | Wise Oil & Gas Company LLC | Shawnee, OK 74801-8507 | Oil & Gas Operator | Feb 2024 |
| 818 | WM Energy Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2015 |
| 819 | Wolverine Petroleum Corp | Holdenville, OK 74848 | Oil & Gas Operator | Jul 1999 |
| 820 | Woods Petroleum Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Mar 2015 |
| 821 | WPX Energy Mid-Continent Co | Oklahoma City, OK 73102-5010 | Oil & Gas Operator | Apr 2016 |
| 822 | Wynn-Crosby Operating LP | Dallas, TX 75201 | Oil & Gas Operator | Jan 2025 |
| 823 | Wytex Production Corporation | Fort Smith, AR 72903 | Oil & Gas Operator | Jan 2020 |
| 824 | X-Bar LMT Partnership | | Oil & Gas Operator | May 2013 |
| 825 | X-Bar Resources Inc | Holdenville, OK 74848 | Oil & Gas Operator | Jul 2013 |
| 826 | Xae Corporation | Norman, OK 73072 | Oil & Gas Operator | Apr 2021 |
| 827 | Xanadu Exploration Company | Broken Arrow, OK 74014 | Oil & Gas Operator | Feb 2025 |
| 828 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Apr 2025 |
| 829 | Yale Oil Association, Inc. | Oklahoma City, OK 73105 | Oil & Gas Operator | Feb 2025 |
| 830 | Yarhola Production Company | Drumright, OK 74030 | Oil & Gas Operator | Feb 2025 |
| 831 | Young, John H., Inc. | Houston, TX 77027 | Oil & Gas Operator | Apr 2025 |
| 832 | ZZ Energy LLC | Norman, OK 73070 | Gas Operator | Jan 2025 |