| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | E & B Natural Resources Management Corporation | Hays, KS 67601 | Oil & Gas Operator | Aug 2025 |
| 2 | E & S Production Corp. | Oil & Gas Operator | Dec 1988 | |
| 3 | E-Z Serve Of Ca Inc. | Oil Operator | Dec 1989 | |
| 4 | Earth Basics Contracting Corp. | Oil & Gas Operator | Dec 2001 | |
| 5 | Emil W. Plegel | Oil & Gas Operator | Jul 2025 | |
| 6 | Energy Development Of California Inc. | Oil & Gas Operator | Dec 2004 | |
| 7 | Estate Of George Cantor | Oil Operator | Dec 1988 | |
| 8 | Evangelical Free Church | Oil & Gas Operator | Dec 1987 |