| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 501 | WTXR Operating (Texas), Inc. | Carrollton, TX 75007 | Oil Operator | Feb 2026 |
| 502 | Xeric Oil & Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 2014 |
| 503 | Xog Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 504 | York & Price Petroleum Corp. | San Antonio, TX 78218 | Oil & Gas Operator | Jul 2004 |
| 505 | Zaf Oil | San Antonio, TX 78230 | Oil & Gas Operator | Aug 2002 |