| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Haddox Petroleum Corp | Gas Operator | Dec 2010 | |
| 2 | Harvey Broyles | Oil & Gas Operator | May 2012 | |
| 3 | Harvey Broyles, Et Al | Gas Operator | Nov 1985 | |
| 4 | Hogan Drilling Company, Inc. | Oil & Gas Operator | Mar 1981 | |
| 5 | Hogan Exploration, Inc. | Oil & Gas Operator | Mar 2000 | |
| 6 | Houston Oil & Minerals Corp. | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |