Information for Vendors

This webpage is designed to assist vendors with keeping their payment information updated and current with the Service Authority. Inquiries should be directed to the Procurement Department by calling 703-335-8925 or email at purchasinggroupemail@pwcsa.org.

Attention Vendors:

Effective Immediately, all vendors are required to complete the "Vendor Update Form" and submit a W-9 for the purpose of payment processing. This is required even if you are currently receiving payments from the Service Authority.

Please Direct Questions Concerning RFPs To:

Fax: (703) 335-7954
Email: purchasinggroupemail@pwcsa.org

Submit To: