Buy4Michigan Help Desk
If you are experiencing difficulties with the Buy4Michigan website, please contact the Buy4Michigan Help Desk (also titled the OFM Help Desk on the phone system), available from 7 a.m. to 6 p.m. EST, Monday through Friday:
- By Phone:
- (517) 284-0540 (Lansing)
- (888) 734-9749 (Toll-free outside of Lansing)
- The automated menu will provide a number to push for help with the Buy4Michigan eProcurement system.
- By Email: SIGMA-Vendor@michigan.gov