Oil & Gas Companies in Johnson County, WY
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Carbon Creek Energy LLC | Sheridan, WY 82801 | Oil & Gas Operator | Jul 2025 |
| 2 | Cenergy Resources LLC | | Oil & Gas Operator | Jul 2025 |
| 3 | CH4 Energy LLC | Fort Worth, TX 76102 | Oil & Gas Operator | May 2006 |
| 4 | Chaco Energy Company | Denver, CO 80201 | Oil & Gas Operator | Aug 2025 |
| 5 | Chemily Management Company | Cypress, TX 77429 | Oil & Gas Operator | Apr 2023 |
| 6 | Chipcore LLC | Casper, WY 82601 | Oil & Gas Operator | Aug 2025 |
| 7 | Citation Oil & Gas Corp. | Houston, TX 77269 | Oil & Gas Operator | Oct 2025 |
| 8 | CNX Gas Company LLC | Canonsburg, PA 15317 | Oil & Gas Operator | Jul 2025 |
| 9 | Coastal Oil & Gas Corporation | Houston, TX 77252 | Oil & Gas Operator | Dec 2009 |
| 10 | Comet Energy Services LLC | Traverse City, MI 49686 | Oil & Gas Operator | Oct 2011 |
| 11 | Conoco Inc. | Houston, TX 77252 | Oil & Gas Operator | Mar 2015 |
| 12 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 13 | Contango Resources LLC | Andrews, TX 79714 | Oil & Gas Operator | Oct 2025 |
| 14 | Continental Production Co LLC | Greenwood VIllage, CO 80155 | Oil & Gas Operator | Aug 2012 |
| 15 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Johnson County, WY and for the production period listed.