| Business | Phone |
| Cpc Systems 313 Avenida Bolivar, Olmito 78575 | (956) 350-6900 |
| Hartwick Dell 4501 Carmen Ave, Olmito 78575 | (956) 350-4245 |
| Quicktrade Corp 1109 Avenida Santa Ana, Olmito 78575 | (956) 350-2021 |
| Rancho Viejo Volunteer Fire 500 Hidalgo Ave, Olmito 78575 | (956) 350-6210 |
| Kincannon Farm 500 Bolivar Ave, Olmito 78575 | (956) 350-3650 |