Click Create Vendor.
Fill in the Vendor information and then click Save in the upper right of the page.
To edit a vendor just go to the vendor list and open the vendor. Clicking Edit in the upper right will enable you to edit the vendor. Either adding or removing Services or updating the email address.
Click Delete to remove them completely.
Note: Updating the email address will automatically send out an invitation to the new email address if they are already on a Bid.