| Business | Phone |
| Advanced Electric 8655 Ne 38th Ave, Altoona 50009 | (515) 957-8715 |
| Dakota Infrared & Electrical Altoona 50009 | (515) 967-8227 |
| Jetco Inc 208 1st Ave S, Altoona 50009 | (515) 967-5874 |
| Two Rivers Group 4257 Ne 80th St, Altoona 50009 | (515) 265-8826 |