Vendor Information

A company must be a registered supplier with Prince William County Procurement Services.  Log in to the Prince William County eProcurement system click here.  

  • Follow the procedures for vendor registration.
  • Through the County's eProcurement system vendors may:
    • Request email notification of solicitations
    • Perform online tracking of invoices and payments

Once registration is completed contact the Fiscal Officer at 703-792-6495 to schedule an appointment.

Questions regarding a specific ADC Contract Protest, click here.

For other questions, contact:
Prince William County Procurement Services
4360 Ridgewood Center Drive
Prince William Virginia 22192
Email: [email protected]
Phone: 703-792-6770
Fax: 703-792-4611

The Finance Office of the Adult Detention Center is located at 9320 Lee Ave Manassas VA 20110.


Director of Financial Services703-792-6418

Fiscal Officer703-792-6495

Accounts Payable703-792-6483 or 6457

Inmate Accounts703-792-6448

Fax Number703-792-6718