| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | H & R Well Services, Inc. | FT Morgan, CO 80701 | Oil & Gas Operator | Apr 2015 |
| 2 | High Plains Operating, LLC | Oil Operator | Sep 2025 | |
| 3 | HRC Operating, LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2017 |
| 4 | Hunt Petroleum Corporation | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 5 | Huntford Resources Corp | Englewood, CO 80112 | Oil & Gas Operator | Nov 2001 |