| Business | Phone |
| Martin Marietta Materials 6747 Highway 71, Garwood 77442 | (979) 758-3960 |
| Martin Marietta Materials Highway 71, Garwood 77442 | (979) 758-3552 |
| Txi 1823 County Road 111, Garwood 77442 | (979) 758-3688 |
| Zbranek Brothers Gravel 1109 County Road 180, Garwood 77442 | (979) 758-3389 |
| Hanson Aggregates S Central 1924 County Road 111, Garwood 77442 | (979) 758-3662 |