Oil & Gas Companies in Crook County, WY
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | H2oil Services LLC | | Oil Operator | Aug 2025 |
| 2 | Harper Oil Co. | Denver, CO 80217 | Oil & Gas Operator | Jun 2025 |
| 3 | Hedges Spencer | Casper, WY 82604 | Oil Operator | Mar 2024 |
| 4 | Hilcorp Energy Company | Houston, TX 77208 | Oil & Gas Operator | Oct 2025 |
| 5 | Holwell Drilling Company | | Oil Operator | Sep 1992 |
| 6 | Home Petroleum Corp | Victoria, TX 77902 | Oil & Gas Operator | Oct 2025 |
| 7 | Hondo Oil & Gas | Houston, TX 77042 | Oil & Gas Operator | Oct 1995 |
| 8 | HRM Resources II, LLC | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
| 9 | HRM Resources LLC | Denver, CO 80202 | Oil & Gas Operator | Aug 2015 |
| 10 | Hrubetz Oil Co. | Dallas, TX 75225 | Oil Operator | Sep 1986 |
| 11 | Hudson Group LLC | Casper, WY 82601 | Oil & Gas Operator | Jul 2025 |
| 12 | Hughes Oil Company Inc | Odessa, TX 79765 | Oil & Gas Operator | Feb 2004 |
| 13 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Crook County, WY and for the production period listed.