You are invited to add your business or professional profile into the Government Vendor Business Directory at http://www.government-vendor.us/login . The Government Vendor Directory is an online business directory used by City, State & Federal Purchasing Agencies, along with Contractors, Universities, and School Districts.. Add a free or premium listing and reach customers you never knew existed. There are over 80,000 purchasing authorities and 700,000 employees with government credit cards who make purchases between $2,000 and $25,000. Government credit cards are widely used and account for around 50% of all government buys.