| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | H. J. Bonner | Oil & Gas Operator | Aug 1991 | |
| 2 | Haddox Petroleum Corp | Gas Operator | Dec 2010 | |
| 3 | Hamilton Gas Co., Inc. | Gas Operator | Mar 1999 | |
| 4 | Harvey Broyles | Oil & Gas Operator | May 2012 | |
| 5 | Harvey Broyles & Munoco Co. | Oil & Gas Operator | Jan 2002 | |
| 6 | Herbst Resources, Inc. | Mandeville, LA 70448 | Oil & Gas Operator | Aug 2003 |
| 7 | Hibbard-Frost-Smith | Oil & Gas Operator | Apr 1990 | |
| 8 | Hilliard Petroleum Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Sep 2009 |