Portal:List
Centiare Directory Portals
Centiare directory portals are based on 2002 North America Industry Classification System (NAICS) sectors. NAICS replaced the U.S. Standard Industrial Classification (SIC) system and was developed jointly by the U.S., Canada, and Mexico to provide new comparability in statistics about business activity across North America. All Centiare users should organize around a 5-digit NAICS classification, which is the international standard. The twenty (20) primary sectors are listed as follows: