| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | E. Conway Butts, Inc. | Oil & Gas Operator | Apr 1991 | |
| 2 | E. M. Self | Oil Operator | Feb 1981 | |
| 3 | E. P. Alexander | Oil Operator | Jan 1984 | |
| 4 | Ellis M. Moore, Et Al | Oil Operator | Mar 1986 | |
| 5 | Energyquest II, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Jun 2025 |