Each vendor is to complete their contract bid on the Maryland Works issued template. The purpose of this Invitation for Bid Document is for Worcester County ("County") to contract.A form requiring Supplier's signature acknowledging Supplier has read and accepted all documents must be submitted as an upload to SPEED. Prospective bidders should register as a vendor to be included in the Commission's bidders list. All vendors are required to submit their invoices electronically through our MPO office, unless otherwise stated in the contract. In the event of a contract dispute or claim resolution, the Office acts as mediator. Vendor Registration. Contact your insurance broker to obtain the Certificate. Approved Form Contract. Each bidder shall submit a completed W-9 form with their bid.