Oil & Gas Companies in Garza County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | D & B Oil Company | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 2 | D & D Enterprises | Post, TX 79356 | Oil & Gas Operator | Oct 2025 |
| 3 | D & D Oil Co. #2 | Post, TX 79356 | Oil & Gas Operator | Oct 2025 |
| 4 | D & D Well Service, L.L.C. | Post, TX 79356 | Oil Operator | Oct 2025 |
| 5 | Dakota Resources, Inc. (I) | Midland, TX 79707 | Oil & Gas Operator | Oct 2025 |
| 6 | Dallas Production, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Mar 2021 |
| 7 | Das Oil Co. L.L.C. | Post, TX 79356 | Oil Operator | Oct 2025 |
| 8 | Devon Energy Corp (Nevada) | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2017 |
| 9 | Devon Energy Production Company LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Oct 2025 |
| 10 | Di Energy Inc. | Houston, TX 77067 | Oil & Gas Operator | Jan 2004 |
| 11 | Dinero Operating Co | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 12 | Discovery Operating Inc | Midland, TX 79705 | Oil & Gas Operator | Oct 2025 |
| 13 | Dodson, Wayne Consultants, Inc. | Snyder, TX 79549 | Oil & Gas Operator | Jul 2003 |
| 14 | Dorado Oil Company | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Oct 2013 |
| 15 | Draco Energy, Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 16 | Duke, M. L. | Snyder, TX 79549 | Oil & Gas Operator | Mar 2008 |
| 17 | Durham, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jul 2016 |
Production numbers shown above are only for Garza County, TX and for the production period listed.