| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | H And H Star Energy Inc Dba Petrostar Energy | Oil & Gas Operator | Feb 2004 | |
| 2 | H L Brown Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
| 3 | Hardy And Hardy Consulting LLC | Oil & Gas Operator | Jul 2025 | |
| 4 | Howard Energy Co Inc | Oil & Gas Operator | Aug 2011 |