| 1 | W. A. Moncrief | | Oil & Gas Operator | Jun 2010 |
| 2 | W. A. Stanberry | | Oil & Gas Operator | Nov 1988 |
| 3 | W. Harlan Beene | | Oil Operator | Jan 2025 |
| 4 | Wagon Wheel Arklatex, LLC | | Oil & Gas Operator | May 2018 |
| 5 | Walker Energy, LLC | | Oil & Gas Operator | Nov 2024 |
| 6 | Watchtower Petroleum, LLC | | Oil & Gas Operator | Jun 2025 |
| 7 | Wayne J. Spears | | Oil & Gas Operator | Sep 2005 |
| 8 | Weiser-Brown Operating Company | Magnolia, AR 71754 | Oil & Gas Operator | Oct 2025 |
| 9 | Wheless Industries, Inc. | Shreveport, LA 71101-5301 | Oil & Gas Operator | Sep 2002 |
| 10 | Wheless Industries-Pelto Oil | | Oil & Gas Operator | Dec 1989 |
| 11 | White & Bancroft Et Al | | Oil Operator | Jan 1996 |
| 12 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 13 | Whiting Petroleum Corporation | Denver, CO 80290 | Oil & Gas Operator | Jan 2025 |
| 14 | Whitton Company, Inc. | | Oil & Gas Operator | Jul 2020 |
| 15 | Wilcox Operating Corporation | Shreveport, LA 71115 | Oil & Gas Operator | Oct 2025 |
| 16 | Wildhorse Resources Management Co, LLC | | Oil & Gas Operator | Feb 2018 |
| 17 | Wildhorse Resources, LLC | Houston, TX 77279 | Oil & Gas Operator | Feb 2015 |
| 18 | Will Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2025 |
| 19 | Will-Drill Operating, L.L.C. | Shreveport, LA 71105 | Oil & Gas Operator | Oct 2025 |
| 20 | Will-Drill Production Co., Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Oct 2025 |
| 21 | Williamson & Smitherman | | Oil & Gas Operator | Dec 2008 |
| 22 | Williamson Oil & Gas, Inc. | Shreveport, LA 71166 | Oil & Gas Operator | Dec 2024 |
| 23 | Willow Springs Production, Inc. | Longview, TX 75606 | Oil & Gas Operator | Sep 1999 |
| 24 | Wintershall Corporation | | Oil & Gas Operator | Oct 1989 |
| 25 | Winwell, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2007 |
| 26 | Wisenbaker Production Company | Tyler, TX 75702 | Oil & Gas Operator | Oct 2011 |
| 27 | WM. Herbert Hunt TR.Est. | | Oil & Gas Operator | Oct 1992 |
| 28 | Woodbine Production Corporation | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2025 |
| 29 | Wooldridge Production Co.,LTD. | | Oil & Gas Operator | Apr 2008 |
| 30 | Wooldridge Production, L.L.C. | | Oil Operator | Mar 2005 |
| 31 | WSF, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jun 2013 |
| 32 | Wynn-Crosby Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2005 |