Skip to Main Content

New Vendor Registration

Vendor Information


Please use the legal name of the entity associated with the Tax ID. In order to be awarded a contract or receive payment, the information in the County’s financial system must match the data provided here. Your W-9 form must also match the data provided here.

If using a Doing-Business-As name, please also include a copy of the approval from the relevant state authority or the IRS.

W9 and Doing-Business-As forms should be part of the same file for upload
About Form W-9, Request for Taxpayer Identification Number and Certification | Internal Revenue Service (

Enterprise Information

Vendor Address Information

Contact Information / Account Setup

Contact Address Information