Aon Risk Services, Inc. of Michigan Share: Aon Risk Services, Inc. of Michigan 3000 Town Center, Ste. 3000 Southfield, MI 48075 (248) 936-5200 (248) 936-5463 (fax) Rep Info Map Whom to Contact Sandra Gulick Carissa Holtz Account Specialist Phone: (248) 936-5200 Send an Email What's Nearby? Distance: 5 10 15 20 25 50 mi.