Download or read book North American Industry Classification System: United States written by Claitor's Publishing Division and published by Claitor's Law Books and Publishing Division. This book was released on 2007-09-01 with total page 1390 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published every five years, the North American Industry Classification System (NAICS) is an indispensable volume of official industry codes used by businesses, libraries, and other establishments and individuals to complete tax returns, grant requests, and fill out other forms and to improve analyses and comparisons of different industries.