| Business | Phone |
| Gilmore & Doyle 11112 Aurora Ave, Urbandale 50322 | (515) 251-7280 |
| Ch2m Hill 6200 Aurora Ave 400, Urbandale 50322 | (515) 270-2700 |
| Howard R Green Co 4685 Merle Hay Rd 106, Urbandale 50322 | (515) 278-2913 |
| Downey Engineering 2851 104th St, Urbandale 50322 | (515) 727-1847 |
| Kjww Engineering Consultants 2882 106th St # 100, Urbandale 50322 | (515) 334-9906 |
| Urs Corp 2670 106th St 180, Urbandale 50322 | (515) 284-5500 |