| Business | Phone |
| Kjww Engineering Conslnts 2882 106th St, Urbandale 50322 | (515) 334-5112 |
| Farris Engineering 10636 Justin Dr, Urbandale 50322 | (515) 331-0981 |
| V P Engineering 2751 Parkside Cir, Urbandale 50322 | (515) 402-8200 |
| Continuous Control Solutions 11275 Aurora Ave, Urbandale 50322 | (515) 278-9655 |
| Hot Cams 3041 Justin Dr, Urbandale 50322 | (515) 402-8005 |