Oil & Gas Companies in Hartley County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | C & C Oil Co. | Borger, TX 79008 | Oil & Gas Operator | Jun 2025 |
| 2 | C & C Oil Producers | Borger, TX 79008 | Oil & Gas Operator | Oct 2025 |
| 3 | Cambridge Production, Inc. | Amarillo, TX 79120 | Oil & Gas Operator | Nov 2020 |
| 4 | Canyon Exploration Co. | Amarillo, TX 79105 | Oil & Gas Operator | Jun 2025 |
| 5 | Cig Exploration Inc | Houston, TX 77046 | Oil & Gas Operator | Nov 1999 |
| 6 | Clay Petroleum | Prosper, TX 75078 | Oil & Gas Operator | Feb 2023 |
| 7 | Comstock Oil & Gas, Inc. | Frisco, TX 75034 | Oil & Gas Operator | Dec 2012 |
| 8 | ConocoPhillips Company | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 9 | Continental Resources, Inc. | Oklahoma City, OK 73126 | Oil & Gas Operator | Oct 2025 |
| 10 | Continental Trend Resources, Inc | Oklahoma City, OK 73126 | Oil & Gas Operator | Oct 2025 |
| 11 | Corlena Oil Company | Amarillo, TX 79101 | Oil & Gas Operator | Oct 2025 |
| 12 | Crescendo Resources, L.P. | Amarillo, TX 79188 | Oil & Gas Operator | Jun 2025 |
| 13 | Crouch Petroleum Company | Amarillo, TX 79110 | Oil & Gas Operator | Mar 2015 |
Production numbers shown above are only for Hartley County, TX and for the production period listed.