| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | W. D. Tarver | Oil Operator | Aug 2005 | |
| 2 | Westar Oil & Minerals | Oil Operator | Feb 1999 | |
| 3 | Whitton Company, Inc. | Oil & Gas Operator | Jul 2020 | |
| 4 | Wilcobill Corporation | Oil Operator | Dec 1986 | |
| 5 | Wildcat Well Services, LTD. | Oil Operator | Oct 1989 | |
| 6 | Windrush Operating Co., L.L.C. | Longville, LA 70652 | Oil & Gas Operator | Oct 2025 |
| 7 | Windrush Operating Company | Oil & Gas Operator | Jan 2009 | |
| 8 | Witt Oil Production, Inc. | Oil & Gas Operator | Nov 1984 |