| Business | Phone |
| Criminal Investigation Div 502 E 9th St, Des Moines 50319 | (515) 281-5138 |
| Law Enforcement Div 900 E Grand Ave 502, Des Moines 50319 | (515) 281-5919 |
| State Patrol 502 E 9th St 3, Des Moines 50319 | (515) 281-5824 |
| State Patrol Div Maintenance 5912 Nw 2nd St, Des Moines 50313 | (515) 281-3175 |
| State Patrol Div-Engineering 5912 Nw 2nd St, Des Moines 50313 | (515) 281-6223 |