| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 101 | Walsh Production Inc | Oil & Gas Operator | Nov 2008 | |
| 102 | Wapiti Operating, LLC | Houston, TX 77043 | Oil & Gas Operator | Mar 2025 |
| 103 | Ward & Son* Alfred | Oil & Gas Operator | Jun 2023 | |
| 104 | Wesco Operating, Inc. | Casper, WY 82602 | Oil & Gas Operator | Jan 2025 |
| 105 | Western Operating Company | Denver, CO 80204 | Oil & Gas Operator | Jan 2025 |
| 106 | Westgate Oil Company, Inc. | Eureka, KS 67045 | Oil Operator | Jan 2025 |