| Business | Phone |
| Nubia Fire Dept 6809 Fm 126, Merkel 79536 | (325) 846-4567 |
| Merkel Police Dept 100 Kent St, Merkel 79536 | (325) 928-4766 |
| Merkel Fire Dept 100 Kent St, Merkel 79536 | (325) 928-4725 |
| Merkel Fire Dept 107 Lamar St, Merkel 79536 | (325) 000-1111 |
| Mulberry Canyon Volunteer Fire Rr 3, Merkel 79536 | (325) 846-3037 |