Oil & Gas Companies in Harper County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Abercrombie A L | | Oil & Gas Operator | Nov 1995 |
| 2 | Agv Corp. | Attica, KS 67009 | Oil & Gas Operator | Jun 2025 |
| 3 | Alliance Energy LLC | Hutchinson, KS 67501 | Oil & Gas Operator | Jun 2025 |
| 4 | Alpine Drilling | | Oil & Gas Operator | May 1994 |
| 5 | American Energie | | Oil & Gas Operator | May 1995 |
| 6 | American Petroleum Exploration Corp. | Wichita, KS 67201 | Gas Operator | Feb 2002 |
| 7 | American Trading | | Oil & Gas Operator | Dec 1995 |
| 8 | American Warrior | | Oil & Gas Operator | Jun 2025 |
| 9 | American Warrior Inc | Garden City, KS 67846 | Oil & Gas Operator | Jun 2025 |
| 10 | Anadarko Petrole | | Oil & Gas Operator | Dec 1996 |
| 11 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Jul 2025 |
| 12 | Apollo Energies Inc | Pratt, KS 67124 | Oil & Gas Operator | Jun 2025 |
| 13 | Arrow Production Co. | Tulsa, OK 74108 | Oil & Gas Operator | Dec 2009 |
| 14 | Arrowhead Petrol | | Oil & Gas Operator | Feb 1992 |
| 15 | Ash, Wiley R., Jr. | Andover, KS 67002 | Oil & Gas Operator | Mar 1990 |
| 16 | Atlas Operating LLC | Houston, TX 77056 | Oil & Gas Operator | Oct 2025 |
| 17 | Attica Gas Ventu | | Oil & Gas Operator | Dec 1995 |
Production numbers shown above are only for Harper County, KS and for the production period listed.