Oil & Gas Companies in Upshur County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | R2Q Operating LLC | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 2025 |
| 2 | Ramtex Energy LLC | Tulsa, OK 74114 | Oil & Gas Operator | Dec 2025 |
| 3 | Range Production Company | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2021 |
| 4 | Rheata Resources, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Dec 2025 |
| 5 | Roach, R. Byron Trustee | Judson, TX 75660 | Oil & Gas Operator | Mar 1999 |
| 6 | Roberts & Murphy, Inc. | Shreveport, LA 71137 | Oil & Gas Operator | Apr 2016 |
| 7 | Roca Resource Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 8 | Roosth Production Co. | Tyler, TX 75711 | Oil & Gas Operator | Dec 2025 |
| 9 | Rose City Resources, LLC | Tyler, TX 75703 | Oil & Gas Operator | Dec 2025 |
Production numbers shown above are only for Upshur County, TX and for the production period listed.