| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Davis Petroleum | Oil & Gas Operator | Dec 1996 | |
| 2 | Daystar Petroleum, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Jun 2025 |
| 3 | Delhi Pipeline | Oil & Gas Operator | Sep 1999 | |
| 4 | Destiny Services LLC | Pratt, KS 67124 | Oil & Gas Operator | Jan 2024 |