Oil & Gas Companies in Shelby County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Harleton Oil & Gas Inc. | Tyler, TX 75710 | Oil & Gas Operator | Oct 2025 |
| 2 | Hawthorn Energy Partners, LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Oct 2025 |
| 3 | Hereford, J. A. Industries, Inc. | Nacogdoches, TX 75961 | Oil & Gas Operator | Oct 2025 |
| 4 | Hibbard Energy, LP | Whitehouse, TX 75791 | Oil & Gas Operator | Oct 2025 |
| 5 | Hill, Bill | Kilgore, TX 75663 | Oil Operator | Mar 2014 |
| 6 | Hilliard Petroleum Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Sep 2009 |
| 7 | Hinton Production Company | MT Pleasant, TX 75455 | Oil & Gas Operator | Aug 1995 |
| 8 | Hog Operating LLC | Dallas, TX 75201 | Oil & Gas Operator | Oct 2025 |
| 9 | Hooper & Sons Investments Co.Inc | Tenaha, TX 75974 | Gas Operator | Nov 1997 |
| 10 | Hopkins, T. M. Operating Co. | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2025 |
| 11 | Hunt Petroleum Corporation | Dallas, TX 75201 | Oil & Gas Operator | Nov 2008 |
| 12 | Hyperion Oil & Gas LLC | Dallas, TX 75251 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Shelby County, TX and for the production period listed.