Member Directory Return to Listing PTAC of South Central Michiganwww.enterprisegroup.org/partners/ptac/Assists area businesses in looking at and bidding on federal and state government opportunities.Shannon Barker, Procurement CounselorMike Hindenach, Program ManagerSarah Loik, Procurement Technician100 E. Michigan Ave., Suite 1100Jackson, MI 49201Map517-788-4680Fax: 517-782-0061 JAMA Membership Directory | JAMA Events Calendar | Member Account | Community Events Calendar | Jobs | Member Promotions | News | Request Info