Register a New Account in SIGMA Vendor Self Service (VSS)
DOWNLOADJune 7, 2022
If you have questions, please contact the State of Michigan VSS (SOM VSS) Support Center at
SIGMA-Vendor@michigan.gov or 1.888.734.9749.
June 7, 2022
If you have questions, please contact the State of Michigan VSS (SOM VSS) Support Center at
SIGMA-Vendor@michigan.gov or 1.888.734.9749.