Vendor Resources

Bids and proposals must be submitted online through the Supplier portal. Hard copy bids and proposals are not accepted unless specifically noted in the solicitation. Bid openings will be conducted virtually. Details for accessing the virtual meeting for specific solicitations will be included in the solicitation or posted as an amendment to the solicitation. The use of virtual meetings for bid openings is provided as a convenience for bidders. Should the meeting link access be unavailable or fail during a bid opening, it does not nullify the validity of the process or results. Please see the solicitation for details.
Access the Supplier Portal

Office of Procurement Services

1 County Complex Ct Suite 220
Prince William, VA 22192

DISCLAIMER: All goods and services procured by Prince William County must have a corresponding Purchase Order from the County's Office of Procurement Services. All correspondence initiated by Prince William County will be done via the official trusted domain ( It is the responsibility of each vendor to verify the legitimacy of all purchase orders prior to fulfillment.