NAICS Code (North American Industry Classification System)"The North American Industry Classification System (NAICS - pronounced 'nakes') 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." It replaces the U.S. Standard Industrial Classification (SIC) system and uses a 6-digit number. Search industry keywords on this website to locate the specific NAICS number.