The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. business economy.
Computing Infrastructure Providers, Data processing, Web Hosting, and Related Services
Administrative Management and General Management Consulting Services
Marketing Consulting Services
Engineering Services
Computer Systems Design Services
Advertising Agencies
All Other Professional, Scientific, and Technical Services