| Business | Phone |
| Tyler Motors 836 S Robb St, Trinity 75862 | (936) 594-9270 |
| Walker Auto Sales 138 S Robb St, Trinity 75862 | (936) 594-2677 |
| Jimmy's Auto Sales N State Highway 19, Trinity 75862 | (936) 594-7646 |
| Kash Kars 700 S Robb, Trinity 75862 | (936) 594-5656 |