Viewing Vendors
To view your vendors, click on "Bills" on the left side menu, then click "View Vendors". The vendors are ordered alphabetically. You can resort the list by clicking the headers, it will initial sort in ascending order, by clicking the header again it will order in descending order.

Adding A Vendor
To add a vendor go to the vendors list (see above), then click the + Add Vendor link in the top right. Enter all of the vendor data and click save changes.
Editing a Vendor
To edit a vendor go to the vendors list (see above), then click the actions menu to the right of the vendor you want to edit and choose edit vendor from the drop down.