This is a list of Invitation for Bids and Request for Proposal opportunities currently available with the University of Kentucky Procurement Services. This page provides supplemental information related to contract solicitations for King County.Our sales are held weekly. Local pickup of your winnings in our two locations. Each qualified offeror shall submit only one (1) proposal. Alternate proposals shall not be allowed. Welcome to the Municipality of the County of Kings Bid Opportunities Website. This site allows potential Bidders to create a Bidding System Vendor account. This article explores the numerous benefits of creating and using a proposal checklist in federal contracting, emphasizing how it can streamline processes. How do you decide if an RFP is worth your time?