| Business | Phone |
| Candes General Brandy Hwy, Rio Hondo 78583 | (956) 748-2586 |
| Filter Technologies 35745 Marshall Hutts Rd, Rio Hondo 78583 | (956) 748-2988 |
| Hinojosa Rene 409 N Arroyo Blvd, Rio Hondo 78583 | (956) 748-9185 |
| Rio Hondo City Hall 310 N Robertson, Rio Hondo 78583 | (956) 748-2468 |
| Windrush General Brant, Rio Hondo 78583 | (956) 748-3936 |
| Atascosa Outlook 32879 Fm 2925, Rio Hondo 78583 | (956) 748-0600 |
| Nonis Onc 22887 State Highway 345, Rio Hondo 78583 | (956) 748-4177 |