Oil & Gas Companies in Colorado
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | U S Department Of Energy | | Oil & Gas Operator | Apr 1999 |
| 2 | Unioil | Denver, CO 80203 | Oil & Gas Operator | Jun 2012 |
| 3 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
| 4 | Union Pacific Resources Co. | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2002 |
| 5 | Unit Petroleum Company | Tulsa, OK 74170 | Oil & Gas Operator | Nov 2024 |
| 6 | United States Exploration, Inc. | Denver, CO 80802 | Oil & Gas Operator | Jun 2009 |
| 7 | Universal Resources Corp. | Salt Lake Cty, UT 84145 | Oil & Gas Operator | Jan 2000 |
| 8 | Upland Exploration, LLC | Boerne, TX 78006 | Oil & Gas Operator | Jul 2024 |
| 9 | Ursa Operating Company LLC | Denver, CO 80265 | Oil & Gas Operator | Dec 2020 |
Production numbers shown above are only for Colorado and for the production period listed.