| Business | Phone |
| Dollar General Store 111 S Starr Plz, Rio Grande City 78582 | (956) 487-0398 |
| Dollar Tree 4570 E Us Highway 83 A, Rio Grande City 78582 | (956) 488-8765 |
| Family Dollar Stores 1212 E Us Highway 83, Rio Grande City 78582 | (956) 488-1300 |
| Family Dollar Stores 747 N Fm 2360, Rio Grande City 78582 | (956) 488-2493 |