Oil & Gas Companies in Rooks County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | A. Francis Vonfeldt Co. | | Oil Operator | Nov 2019 |
| 2 | Aaron Oil Operations LLC | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 3 | Abercrombie A L | | Oil & Gas Operator | Nov 1995 |
| 4 | Abercrombie Energy, LLC | Wichita, KS 67212 | Oil & Gas Operator | Jun 2025 |
| 5 | Abraxas Petroleu | | Oil Operator | May 1986 |
| 6 | Afg Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2009 |
| 7 | American Lariat | | Oil Operator | Jun 1994 |
| 8 | American Trad.&Prod. | | Oil Operator | Dec 1995 |
| 9 | American Trading | | Oil & Gas Operator | Dec 1995 |
| 10 | American Warrior Inc | Garden City, KS 67846 | Oil & Gas Operator | Jun 2025 |
| 11 | Amerkan Resource | | Oil Operator | Jan 1994 |
| 12 | Anchor Bay Petroleum LLC | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 13 | Anderson Energy, Inc. | Wichita, KS 67278 | Oil & Gas Operator | Apr 2025 |
| 14 | Anderson Thornto | | Oil & Gas Operator | Mar 1995 |
| 15 | Angle Oil Compan | | Oil Operator | Jun 1994 |
| 16 | Angle Oil Company | Hays, KS 67601 | Oil Operator | Sep 2002 |
| 17 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Oct 2025 |
| 18 | Apollo Energies Inc | Pratt, KS 67124 | Oil & Gas Operator | Jun 2025 |
| 19 | Arcadian Resources LLC | Glen Elder, KS 67446 | Oil & Gas Operator | Oct 2025 |
| 20 | Argent Energy (Us) Holdings Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Sep 2021 |
| 21 | Argent Energy In | | Oil Operator | Feb 1994 |
| 22 | Argent Energy, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Dec 2019 |
| 23 | Arrow Oil Operat | | Oil Operator | Nov 1991 |
| 24 | Arroyo Petroleum | Wichita, KS 67205 | Oil Operator | Mar 2001 |
Production numbers shown above are only for Rooks County, KS and for the production period listed.