| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | W.D. Short Oil Co., LLC | Oxford, KS 67119 | Oil & Gas Operator | Jun 2025 |
| 2 | Walcher, Wayne E. | Wichita, KS 67202 | Oil & Gas Operator | May 2024 |
| 3 | Watson Petroleum | Oil & Gas Operator | Feb 1990 | |
| 4 | Wellstar Corporation | Northglenn, CO 80233 | Oil & Gas Operator | Aug 2025 |
| 5 | Wheatland Oil & | Oil & Gas Operator | Aug 1984 | |
| 6 | White & Ellis Drilling, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Jun 2025 |
| 7 | Woods Oil | Oil Operator | Jun 2025 |