Home > Government > Central Services > NIGP Product Codes Jump to PageCentral ServicesAwards Bids and Proposals C-VAP (Clayton Vendor Access Portal) Vendor Self Service Contract Compliance Division General Information on Bids and Proposals Local Vendor Preference Program Mentor Protégé Program (MPP) News Release NIGP Product Codes Organizational Chart Public Surplus Auction Purchase Order Terms and Conditions Small Local Business Enterprise Program Supplier Survey NIGP Product Codes