Doing Business with DIFS

The State of Michigan uses the SIGMA Vendor Self Service (SIGMA VSS) system to do business with our vendor partners. SIGMA VSS allows you, as a payee/vendor/grantee, to manage your information, view your financial transactions, view business and grant opportunities and much more.

You can register in SIGMA VSS to receive payments and respond to business opportunities at: GO TO SIGMA VSS

Other Helpful Links:
Create a New Account (for new SIGMA VSS users)
Claim Your Existing SIGMA Account (for existing SIGMA VSS users)
Viewing Payment Details
Contact SIGMA