| 1 | W S Crude Oil Purchasing Inc | Oklahoma City, OK 73129-7613 | Oil & Gas Operator | May 2008 |
| 2 | Wadkins T Roy | Bartlesville, OK 74006 | Oil & Gas Operator | Nov 2019 |
| 3 | Wallace Sherrie D | Dewey, OK 74029-3924 | Oil & Gas Operator | Jan 2024 |
| 4 | Walton, W. W. | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 1994 |
| 5 | Watt, Larry | Copan, OK 74022 | Oil Operator | Oct 2019 |
| 6 | Watt, Larry D | | Oil Operator | Jul 2023 |
| 7 | Westamerica Corporation | Dewey, OK 74029-0040 | Oil & Gas Operator | Aug 1999 |
| 8 | Western Oil And Gas Development Corp | Oklahoma City, OK 73103-3735 | Oil & Gas Operator | Jan 2024 |
| 9 | WF Operating LLC | Bartlesville, OK 74005-1442 | Oil Operator | May 2023 |
| 10 | WG Oil & Gas LLC | Okmulgee, OK 74447-7862 | Oil & Gas Operator | Dec 2022 |
| 11 | White, Wesley R | | Oil Operator | Jan 2024 |
| 12 | Wila Inc | | Oil Operator | Dec 2000 |
| 13 | Wildfire Oil & Gas, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2014 |
| 14 | Williamson Gregory L | Skiatook, OK 74070-0028 | Oil & Gas Operator | Mar 2015 |
| 15 | Windward Development LLC | Tulsa, OK 74136-7007 | Oil & Gas Operator | Jul 2019 |
| 16 | Wolverine Petroleum Corp | Holdenville, OK 74848 | Oil & Gas Operator | Jul 1999 |
| 17 | Woodward Iodine Corporation | Woodward, OK 73802-1245 | Oil & Gas Operator | Jan 2024 |
| 18 | Worstell Michael H | Collinsville, OK 74021-5918 | Oil Operator | Mar 2015 |
| 19 | Worstell Oil & Gas Company | Collinsville, OK 74021 | Oil Operator | Nov 2005 |
| 20 | Worstell Oil Co LLC | | Oil Operator | Aug 2023 |