Oil & Gas Companies in Brown County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | G & S Energy, Inc. | Bangs, TX 76823 | Oil & Gas Operator | Apr 2024 |
| 2 | G-3 Oil | Albany, TX 76430 | Oil & Gas Operator | Jul 1995 |
| 3 | G. S. Properties, Inc. | Arlington, TX 76013 | Oil & Gas Operator | May 1999 |
| 4 | G.& S. Landscaping, Inc. | Houston, TX 77095 | Gas Operator | Jun 2023 |
| 5 | Gas Corporation Of America | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
| 6 | Gassiot Holding Corporation | Coleman, TX 76834 | Oil & Gas Operator | Apr 2016 |
| 7 | Gaylyn, Inc. | Comanche, TX 76442 | Oil & Gas Operator | Oct 2025 |
| 8 | Gecko Oil & Gas | Brookesmith, TX 76827 | Oil & Gas Operator | Jun 2007 |
| 9 | Gerry-Mac Oil, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 10 | Ginco Operating Co. | San Antonio, TX 78217 | Oil & Gas Operator | Oct 2025 |
| 11 | Gopher Enterprises | Brownwood, TX 76801 | Oil & Gas Operator | Mar 2008 |
| 12 | Grand Banks Energy Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2025 |
| 13 | Gregory, J. Russell Inc. | Houston, TX 77025 | Gas Operator | Nov 2009 |
| 14 | Gro-Tex Exploration | Abilene, TX 79603 | Oil Operator | Oct 2025 |
| 15 | Grothe Bros. | Albany, TX 76430 | Oil & Gas Operator | May 2011 |
| 16 | GRS Oil & Gas Company | Irving, TX 75017 | Oil & Gas Operator | Aug 1994 |
Production numbers shown above are only for Brown County, TX and for the production period listed.