| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | W. L. Rambo, Inc. | Oil & Gas Operator | Aug 1985 | |
| 2 | White Oil Company | Cement, OK 73017-0515 | Oil Operator | Jun 2002 |
| 3 | Win Oil Company | Russell, KS 67665 | Oil & Gas Operator | Jul 2021 |
| 4 | Woodpecker Corp. | Oil & Gas Operator | Dec 2023 |