| 1 | W P Oil & Gas LLC | Coweta, OK 74429-5465 | Oil & Gas Operator | Mar 2015 |
| 2 | W S Crude Oil Purchasing Inc | Oklahoma City, OK 73129-7613 | Oil & Gas Operator | May 2008 |
| 3 | Wachob Oil & Gas LLC | | Oil Operator | Jun 2015 |
| 4 | Walgann Oil & Gas Inc | Sperry, OK 74073 | Oil Operator | Sep 2023 |
| 5 | Warpath Energy Inc | Broken Arrow, OK 74014-1118 | Oil & Gas Operator | Apr 2018 |
| 6 | Weins Horton L | Tulsa, OK 74157-1117 | Oil & Gas Operator | Jan 2024 |
| 7 | Wells Allen W | Barnsdall, OK 74002-0997 | Oil & Gas Operator | Jan 2024 |
| 8 | Western Oil And Gas Development Corp | Oklahoma City, OK 73103-3735 | Oil & Gas Operator | Feb 2024 |
| 9 | Western Petroleum Company Inc | Tulsa, OK 74170-2676 | Oil & Gas Operator | Apr 2020 |
| 10 | Westfall-Gooden Reserves LLC | | Oil & Gas Operator | Jan 2024 |
| 11 | WFD Oil Corporation | Edmond, OK 73012-0619 | Oil & Gas Operator | Feb 2024 |
| 12 | Wharton Oil Co. | Vernon, TX 76384 | Oil & Gas Operator | Dec 2000 |
| 13 | Wheeler & Hanlin MFG Co Inc | Tulsa, OK 74148 | Oil Operator | Jun 1998 |
| 14 | Wheeler Oil Company | Sperry, OK 74073-9417 | Oil & Gas Operator | Jan 2024 |
| 15 | White Clarence A | Lawton, OK 73505-4927 | Oil & Gas Operator | Dec 2023 |
| 16 | White Mike Oil Field Service | Edmond, OK 73034 | Oil & Gas Operator | Jan 2013 |
| 17 | Whiteman Industries, Inc. | Oklahoma City, OK 73101 | Oil & Gas Operator | Jan 2024 |
| 18 | Wildhorse Oil & Gas Corporation | Ardmore, OK 73402 | Oil & Gas Operator | May 2019 |
| 19 | Williamson Gregory L | Skiatook, OK 74070-0028 | Oil & Gas Operator | Mar 2015 |
| 20 | Williamson Ozella | Skiatook, OK 74070 | Oil Operator | Aug 2013 |
| 21 | Wilson H Drew | Sperry, OK 74073-0488 | Oil Operator | Jan 2024 |
| 22 | Windward Development LLC | Tulsa, OK 74136-7007 | Oil & Gas Operator | Jul 2019 |
| 23 | Woodward Iodine Corporation | Woodward, OK 73802-1245 | Oil & Gas Operator | Feb 2024 |
| 24 | Worstell Michael H | Collinsville, OK 74021-5918 | Oil Operator | Mar 2015 |
| 25 | Worstell Oil & Gas Company | Collinsville, OK 74021 | Oil Operator | Nov 2005 |
| 26 | Worstell Oil Co LLC | | Oil Operator | Aug 2023 |
| 27 | WP Oil LLC | | Oil Operator | Jan 2024 |
| 28 | Wright Katherine E | Tulsa, OK 74114-1229 | Oil Operator | Sep 2019 |