| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | XCL-Louisiana, Inc. | Oil & Gas Operator | Aug 1993 | |
| 2 | Xeric Oil & Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 2014 |
| 3 | Xplor Energy Operating Co. | Houston, TX 77079 | Oil & Gas Operator | Jan 2012 |
| 4 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Apr 2024 |
| 5 | Xtra Energy Corporation | Oil & Gas Operator | Jun 1989 |