The Suffolk County Office of Central Procurement oversees the County's procurement processes. The Office helps facilitate each County department's mission.When prompted, fill out the information in either lump sum or line item bidding, depending on the fields that appear. RFP Installation of Complete Security Systems. Request for Proposal - Bid opening date has been extended to Monday, October 24, 2024 at pm. City of Suffolk , VA is looking to buy goods and services. Discover all bid opportunities, RFPs, and government contracts with City of Suffolk.