The North American Industry Classification System (NAICS) revision for 2017 is valid for 2017-2021 (Updated every five years).
NAICS is an industry classification system that groups establishments into industries based on the similarity of their production purpose. For use by government policy analysts, academics, researchers, the business community, and the public.
This PDF Manual contains a clickable, interactive index, along with the classification descriptions of every NAICS code. Every page also includes a link that will bring the user back to the interactive index.
The interactive index allows users to quickly navigate to the page they are looking for, and then back to the index for a quick search experience.