| Business | Phone |
| Ionia Temporary Facility 1755 Harwood Rd, Ionia 48846 | (616) 527-6320 |
| Protective Services 920 E Lincoln Ave, Ionia 48846 | (616) 527-5252 |
| Richard A Handlon Crrcntl Fac 1728 W Bluewater Hwy, Ionia 48846 | (616) 527-3100 |
| Robert I Crawford Md 777 W Riverside Dr, Ionia 48846 | (616) 527-0110 |
| Southwest Regional Office 777 W Riverside Dr, Ionia 48846 | (616) 527-9775 |
| State Secretary Ofc 230 S Steele St, Ionia 48846 | (616) 527-3249 |