The GSA Digital Buyers Guide has been designed specifically to provide Federal Government purchasing agents, procurement officers, and prime Federal Contractors with reliable product and service suppliers. The GSA Digital Buyers Guide's Vendor Listings list NAICS codes first, followed by products and/or services offered and all pertinent company information to help you establish bid lists for both short-term and long-term contracts. You can find an easy-to-use NAICS Codes Index in front of the guide along with a complete list of suppliers in the product and company index in the back of the purchasing guide