Oil & Gas Companies in Johnson County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Sage Natural Resources LLC | Tulsa, OK 74170 | Oil & Gas Operator | Oct 2025 |
| 2 | Sheer Energy, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2025 |
| 3 | Shidler, Mark L., Inc. | Houston, TX 77055 | Oil & Gas Operator | Oct 2025 |
| 4 | Skybridge Energy LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Oct 2025 |
| 5 | Spindletop Drilling Co. | Dallas, TX 75230 | Oil & Gas Operator | Oct 2025 |
| 6 | Spindletop Oil & Gas Co. | Dallas, TX 75230 | Oil & Gas Operator | Oct 2025 |
| 7 | Stonebriar Oil LLC | Frisco, TX 75034 | Oil & Gas Operator | Oct 2025 |
| 8 | Stroud Energy, LTD. | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2006 |
| 9 | Sullivan, Hollis R. Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2009 |
| 10 | Sundance Resources, Inc. | Rio VIsta, TX 76093 | Oil & Gas Operator | Mar 2012 |
Production numbers shown above are only for Johnson County, TX and for the production period listed.