| 1 | W S Crude Oil Purchasing Inc | Oklahoma City, OK 73129-7613 | Oil & Gas Operator | May 2008 |
| 2 | Waggoner Oil & Gas Corp | Enid, OK 73703-1152 | Oil & Gas Operator | Feb 2024 |
| 3 | Wagner & Brown | Midland, TX 79702 | Oil & Gas Operator | Aug 2014 |
| 4 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2024 |
| 5 | Walker Keith F | Ardmore, OK 73401 | Oil & Gas Operator | Jan 2019 |
| 6 | Wallace Oil & Gas Inc | Oklahoma City, OK 73156 | Oil & Gas Operator | Apr 2024 |
| 7 | Ward Petroleum Corporation | Enid, OK 73702 | Oil & Gas Operator | Jan 2024 |
| 8 | Warren American Oil Company LLC | Tulsa, OK 74147 | Oil & Gas Operator | Apr 2024 |
| 9 | Warwick Associates LC | Oklahoma City, OK 73154-0405 | Oil & Gas Operator | Feb 2024 |
| 10 | Wehlu Producers Inc | Edmond, OK 73083-5278 | Oil & Gas Operator | Sep 2002 |
| 11 | Welch Family Trust | Ada, OK 74820-9643 | Oil & Gas Operator | Apr 2015 |
| 12 | Wellco Energy Inc | Oklahoma City, OK 73113-0130 | Oil & Gas Operator | Jan 2024 |
| 13 | Wentworth Operating Company | Oklahoma City, OK 73162-1863 | Oil & Gas Operator | Mar 2024 |
| 14 | Western Natl Resource Expl LLC | Oklahoma City, OK 73154-0755 | Oil & Gas Operator | Mar 2015 |
| 15 | Western Natural Resources Inc | Oklahoma City, OK 73116 | Oil & Gas Operator | Apr 2015 |
| 16 | Western Oil And Gas Development Corp | Oklahoma City, OK 73103-3735 | Oil & Gas Operator | Feb 2024 |
| 17 | WFD Oil Corporation | Edmond, OK 73012-0619 | Oil & Gas Operator | Feb 2024 |
| 18 | Wharton Oil Co. | Vernon, TX 76384 | Oil & Gas Operator | Dec 2000 |
| 19 | Wheeler Richard Jr | Oklahoma City, OK 73112-8857 | Oil & Gas Operator | Mar 2005 |
| 20 | White Goat Resources LLC | | Oil & Gas Operator | Feb 2024 |
| 21 | White Operating Company | Oklahoma City, OK 73159-7136 | Oil & Gas Operator | Feb 2024 |
| 22 | White Star Petroleum LLC | | Oil & Gas Operator | Jan 2024 |
| 23 | White Wilber R Oil Enterprises | | Oil & Gas Operator | May 2006 |
| 24 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 25 | Whitley Oil & Gas Inc | Owasso, OK 74055 | Oil & Gas Operator | Jun 2009 |
| 26 | Wil-MC Oil Corporation The | Irving, TX 75015-2510 | Oil & Gas Operator | Mar 1999 |
| 27 | Wildhorse Oil & Gas Corporation | Ardmore, OK 73402 | Oil & Gas Operator | May 2019 |
| 28 | Wildwood Operating LLC | | Oil & Gas Operator | Jan 2024 |
| 29 | Williams M H | Red Rock, OK 74651-0311 | Oil & Gas Operator | May 2023 |
| 30 | Williams Roger F | Tulsa, OK 74152-0951 | Oil & Gas Operator | May 2013 |
| 31 | Wilshire Enterprises Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2015 |
| 32 | Wind River Exploration Inc | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2023 |
| 33 | Windward Development LLC | Tulsa, OK 74136-7007 | Oil & Gas Operator | Jul 2019 |
| 34 | Wishbone Oil & Gas | Noble, OK 73068 | Oil & Gas Operator | Mar 2007 |
| 35 | Witty Thomas E | Enid, OK 73703 | Oil & Gas Operator | Mar 2008 |
| 36 | Wood Fay C Estate | Enid, OK 73703 | Oil & Gas Operator | Jun 2013 |
| 37 | Woodward Iodine Corporation | Woodward, OK 73802-1245 | Oil & Gas Operator | Feb 2024 |
| 38 | Wright Jerry L | Crescent, OK 73028-0474 | Oil & Gas Operator | Jun 2013 |