The Suffolk County Office of Central Procurement oversees the County's procurement processes. The Office helps facilitate each County department's mission.What do I need to do to be added to the City's Vendor Database? Complete a City of Suffolk Vendor Registration Form and submit to the Purchasing Division. The awarding authority for this contract is the Suffolk City School Board. The. Parties interested in bidding on the property for rehabilitation must complete and submit this form, with all supplemental information. The City of Southport is requesting proposals for government website design services to upgrade and transfer their website from a WordPress platform to a .