This page displays contracting opportunities from Aviation and some construction contracts from City Procurement. Register to use the MECKProcure portal to monitor upcoming opportunities, bid on projects and manage your vendor profile.Visit the city's vendor registration page and submit a vendor registration form. Bids are invited on the basis of a Single Prime Contract. Contracted services solicitations come in the form of Request for Proposal (RFP), Request for Quote (RFQ) or Invitation to Bid (IFB).