| 1 | W & W Oil & Gas LLC | Wynona, OK 74084 | Oil Operator | Jan 2024 |
| 2 | W S Crude Oil Purchasing Inc | Oklahoma City, OK 73129-7613 | Oil & Gas Operator | May 2008 |
| 3 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | May 2024 |
| 4 | Wall Shelby | | Oil & Gas Operator | Oct 1998 |
| 5 | Walter E & Bernice N Darnall | | Oil Operator | Jan 2024 |
| 6 | Wandering Star Partners #1 LLLP | | Oil & Gas Operator | Apr 2015 |
| 7 | Warren American Oil Company LLC | Tulsa, OK 74147 | Oil & Gas Operator | May 2024 |
| 8 | Warrior Exploration & Production LLC | | Oil & Gas Operator | Jan 2024 |
| 9 | Warrior Exploration LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2023 |
| 10 | Wassom, Claude J | | Oil & Gas Operator | May 2013 |
| 11 | Wave Energy LLC | | Oil Operator | Feb 2024 |
| 12 | Wayona Oil & Gas | Ponca City, OK 74601 | Oil Operator | May 2011 |
| 13 | Wayside LTD | | Oil & Gas Operator | Jan 2015 |
| 14 | Weins Horton L | Tulsa, OK 74157-1117 | Oil & Gas Operator | Jan 2024 |
| 15 | Wellco Energy Inc | Oklahoma City, OK 73113-0130 | Oil & Gas Operator | Jan 2024 |
| 16 | Wells Allen W | Barnsdall, OK 74002-0997 | Oil & Gas Operator | Jan 2024 |
| 17 | Wells Jimme D | Ponca City, OK 74604 | Oil Operator | Jan 2024 |
| 18 | Westamerica Corporation | Dewey, OK 74029-0040 | Oil & Gas Operator | Aug 1999 |
| 19 | Western Oil And Gas Development Corp | Oklahoma City, OK 73103-3735 | Oil & Gas Operator | Feb 2024 |
| 20 | Western Operating Company | Denver, CO 80204 | Oil & Gas Operator | Jan 2024 |
| 21 | Whiteman Industries, Inc. | Oklahoma City, OK 73101 | Oil & Gas Operator | Jan 2024 |
| 22 | WHR Corp | Independence, KS 67301 | Oil & Gas Operator | Jul 2014 |
| 23 | Wikel David | Hominey, OK 74035 | Oil Operator | Jan 2024 |
| 24 | Wildfire Oil & Gas, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2014 |
| 25 | Williams Brothers Engineering Company | Tulsa, OK 74134-5885 | Oil & Gas Operator | May 2013 |
| 26 | Williams Doyle Dba BCF Gas | Tulsa, OK 74114-7099 | Oil & Gas Operator | Jul 2023 |
| 27 | Williams, Doyle | | Oil & Gas Operator | Jan 2024 |
| 28 | Williamson Ozella | Skiatook, OK 74070 | Oil Operator | Aug 2013 |
| 29 | Wilson W Robert | Pawhuska, OK 74056 | Oil & Gas Operator | Jan 2024 |
| 30 | Wilson Warren | Goodwell, OK 73939 | Oil Operator | Jan 2024 |
| 31 | Windward Development LLC | Tulsa, OK 74136-7007 | Oil & Gas Operator | Jul 2019 |
| 32 | Wise James W | Okmulgee, OK 74447 | Oil & Gas Operator | Oct 1996 |
| 33 | WLW Oil & Gas LLC | Kingfisher, OK 73750-1102 | Oil & Gas Operator | Feb 2024 |
| 34 | Woodward Iodine Corporation | Woodward, OK 73802-1245 | Oil & Gas Operator | Feb 2024 |
| 35 | Worstell Michael H | Collinsville, OK 74021-5918 | Oil Operator | Mar 2015 |
| 36 | Worstell Oil & Gas Company | Collinsville, OK 74021 | Oil Operator | Nov 2005 |
| 37 | Worstell Oil Co LLC | | Oil Operator | Aug 2023 |
| 38 | WP Oil LLC | | Oil Operator | Jan 2024 |
| 39 | Wyant & O'Keefe | Santa Fe, NM 87501 | Oil & Gas Operator | May 2006 |
| 40 | Wyatt Rick | Pawhuska, OK 74056 | Oil & Gas Operator | Feb 2006 |
| 41 | Wyatt'S Oil Corporation | Pawhuska, OK 74056 | Oil & Gas Operator | Jan 2024 |