The vendor overview is a general guide to assist new or returning vendors learn how to navigate the vendor registration process. Vendors interested in doing business with the State of Minnesota must register through the state's Supplier Portal.Here's where you can get started. Vendor shall be deemed to be insolvent if: a. Registration as a vendor can be made via the state's Supplier Portal. Complete Form ST3, Certificate of Exemption. The grid below contains a general list of our current vendors. To view our contracts list in detail, including contract expiration dates and extension options, How do I find out what opportunities are available from the State of Minnesota?