Oil & Gas Companies in Colorado
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | H & M Petroleum Corporation | Lincoln, NE 68516 | Oil & Gas Operator | Jun 2025 |
| 2 | H & R Well Services, Inc. | FT Morgan, CO 80701 | Oil & Gas Operator | Apr 2015 |
| 3 | Halde Oil Inc | | Oil & Gas Operator | Sep 2025 |
| 4 | Harburg* Rudolph W | | Oil & Gas Operator | Nov 2022 |
| 5 | Harsh International Inc | | Oil & Gas Operator | Dec 2013 |
| 6 | Hayes Oil & Gas Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2003 |
| 7 | Helena Resources Inc | Lakewood, CO 80215 | Oil & Gas Operator | Oct 2025 |
| 8 | High Plains Energy LLC | | Oil & Gas Operator | May 2017 |
| 9 | High River Resources Operating, LLC | Farmington, NM 87401 | Oil & Gas Operator | Sep 2025 |
| 10 | Highpoint Energy LLC | | Oil & Gas Operator | Nov 2022 |
| 11 | Hilcorp Energy Company | Houston, TX 77208 | Oil & Gas Operator | Dec 2025 |
| 12 | Holcomb Oil & Gas Inc | Farmington, NM 87401 | Oil & Gas Operator | Sep 2025 |
| 13 | Homestead Oil Inc | | Oil & Gas Operator | Jun 2014 |
| 14 | Horseshoe Operating Inc. | Midland, TX 79701 | Oil & Gas Operator | Jan 2023 |
| 15 | HRC Operating, LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2017 |
| 16 | HRM Resources III LLC | Denver, CO 80202 | Oil & Gas Operator | Jun 2022 |
| 17 | HRM Resources LLC | Denver, CO 80202 | Oil & Gas Operator | Aug 2015 |
| 18 | HS Resources, Inc. | Denver, CO 80202 | Oil & Gas Operator | Sep 2002 |
| 19 | Hubbard Creek Coal Gas LLC | | Gas Operator | Oct 2025 |
| 20 | Hubbs III, LLC | | Oil & Gas Operator | Mar 2024 |
| 21 | Huntington Energy LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Dec 2025 |
| 22 | Hyndrex Resources | | Oil & Gas Operator | Feb 2016 |
Production numbers shown above are only for Colorado and for the production period listed.