| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Halliburton Oil | Oil & Gas Operator | Sep 2008 | |
| 2 | Harper Oil And Gas, LLC | Pratt, KS 67124 | Oil & Gas Operator | Dec 2023 |
| 3 | Herman L. Loeb, LLC | Lawrenceville, IL 62439 | Oil & Gas Operator | Dec 2023 |
| 4 | Hinkle Oil Compa | Oil & Gas Operator | Nov 1994 | |
| 5 | Hoppe Oil & Gas | Oil Operator | Nov 1992 |