| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Halcon Holdings Inc | Ada, OK 74820 | Oil & Gas Operator | Jan 2026 |
| 2 | Helton Oil Company | Edmond, OK 73083-7283 | Oil & Gas Operator | Aug 2016 |
| 3 | Henderson Don Inc | Oklahoma City, OK 73134-1753 | Oil & Gas Operator | Aug 2013 |
| 4 | Henderson Fred J | Okmulgee, OK 74447 | Oil & Gas Operator | Jan 2026 |
| 5 | Holden Energy Corporation | Ardmore, OK 73401 | Oil & Gas Operator | Mar 2015 |