| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | R.D. Oil Company | Austin, TX 78755 | Oil & Gas Operator | Mar 2025 |
| 2 | Range Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2021 |
| 3 | Raydon Production Company | Oklahoma City, OK 73118 | Oil & Gas Operator | Feb 1992 |
| 4 | Reichmann Petroleum Corp. | Grapevine, TX 76051 | Oil & Gas Operator | Mar 2025 |
| 5 | Rhyne, J.V. | Cisco, TX 76437 | Oil & Gas Operator | Mar 2025 |
| 6 | Rough Hollow Ranch Corporation | Dallas, TX 75209 | Oil Operator | Aug 2006 |