| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | East Bay Petroleum | Oil & Gas Operator | Dec 1987 | |
| 2 | Emerge Operating,LLC | Oil & Gas Operator | Jul 2024 | |
| 3 | Energen Resources Corporation | Midland, TX 79701 | Oil & Gas Operator | Jan 2021 |
| 4 | Energy Reserves Group, Inc. | Wichita, KS 67202 | Oil & Gas Operator | May 2002 |
| 5 | Energy Resources Corp. | Oil & Gas Operator | Aug 2024 | |
| 6 | Enserch Exploration | Oil & Gas Operator | Oct 1996 | |
| 7 | Epstein Jr Oper Co | Oil & Gas Operator | Mar 1991 | |
| 8 | Exchange Exploration & Production Co. | Dallas, TX 75219 | Oil & Gas Operator | Aug 2024 |