| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | A P X Corporatio | Oil & Gas Operator | Nov 1992 | |
| 2 | Abercrombie Energy, LLC | Wichita, KS 67212 | Oil & Gas Operator | Jun 2025 |
| 3 | Aexco Petroleum Inc | Denver, CO 80202 | Oil & Gas Operator | Jul 2025 |
| 4 | American Warrior Inc | Garden City, KS 67846 | Oil & Gas Operator | Jun 2025 |
| 5 | Anadarko Petrole | Oil & Gas Operator | Dec 1996 | |
| 6 | Anadarko Petroleum Corporation | Houston, TX 77251 | Oil & Gas Operator | Jul 2025 |
| 7 | Anadarko Prod | Oil & Gas Operator | Dec 1996 | |
| 8 | Apache Corporation | Houston, TX 77042 | Oil & Gas Operator | Oct 2025 |
| 9 | Apollo Energies Inc | Pratt, KS 67124 | Oil & Gas Operator | Jun 2025 |
| 10 | Armor Petroleum, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2025 |