| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Encana Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2020 |
| 2 | Encore Operating Louisiana, LLC | Oil & Gas Operator | Dec 2010 | |
| 3 | EOG Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 4 | Exchange Oil & Gas Company | Oil & Gas Operator | Oct 1996 |