Oil & Gas Companies in Adams County, CO
| 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 | Heartland Oil & Gas Company | | Oil & Gas Operator | Jun 2000 |
| 3 | Helena Resources Inc | Lakewood, CO 80215 | Oil & Gas Operator | Jul 2025 |
| 4 | Hilcorp Energy Company | Houston, TX 77208 | Oil & Gas Operator | Oct 2025 |
| 5 | HRC Operating, LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2017 |
| 6 | HRM Resources II, LLC | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
| 7 | HRM Resources LLC | Denver, CO 80202 | Oil & Gas Operator | Aug 2015 |
| 8 | HS Resources, Inc. | Denver, CO 80202 | Oil & Gas Operator | Dec 2005 |
| 9 | Hyndrex Resources | | Oil & Gas Operator | Apr 2018 |
Production numbers shown above are only for Adams County, CO and for the production period listed.