Oil & Gas Companies in Graham County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | A & A Discovery, Inc | Hill City, KS 67642 | Oil Operator | Aug 2002 |
| 2 | A & A Discovery, LLC | Hill City, KS 67642 | Oil Operator | May 2018 |
| 3 | A & A Production | | Oil Operator | Feb 2013 |
| 4 | Abercrombie A L | | Oil & Gas Operator | Nov 1995 |
| 5 | Abercrombie Energy, LLC | Wichita, KS 67212 | Oil & Gas Operator | Jun 2025 |
| 6 | Abraxas Petroleu | | Oil Operator | May 1986 |
| 7 | Ainsworth Operat | | Oil Operator | Apr 1995 |
| 8 | Ainsworth Operating Co. | Salem, OR 97302 | Oil Operator | Jun 2025 |
| 9 | Alliance Energy LLC | Hutchinson, KS 67501 | Oil & Gas Operator | Jun 2025 |
| 10 | Allison J A | | Oil & Gas Operator | Nov 1995 |
| 11 | American Energie | | Oil & Gas Operator | May 1995 |
| 12 | American Warrior Inc | Garden City, KS 67846 | Oil & Gas Operator | Aug 2025 |
| 13 | Anderson Energy Inc | Wichita, KS 67278 | Oil & Gas Operator | Apr 2025 |
| 14 | Anderson Thornto | | Oil & Gas Operator | Mar 1995 |
| 15 | Apollo Energies Inc | Pratt, KS 67124 | Oil & Gas Operator | Jun 2025 |
| 16 | Argent Energy (Us) Holdings Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Sep 2021 |
| 17 | Arp Operating, LLC | Denver, CO 80202 | Oil Operator | Jun 2025 |
| 18 | Arrowhead Petrol | | Oil & Gas Operator | Feb 1992 |
| 19 | Asher Associates Inc | Centennial, CO 80112 | Oil & Gas Operator | Aug 2016 |
Production numbers shown above are only for Graham County, KS and for the production period listed.