Register to use the MECKProcure portal to monitor upcoming opportunities, bid on projects and manage your vendor profile. MeckProcure Guides for Vendors.Visit the city's vendor registration page and submit a vendor registration form. The County may consider proposals nonresponsive for any items or deadlines not met as listed below. Read the document fully. Bids are invited on the basis of a Single Prime Contract. 1) This document is a bid form submitted for the procurement of goods.