Industry Classification Systems / NAICS / SICs

Harmonized System (HS) Code Classification System

Area:  National, International

Media Type: Link

Source: Foreign Trade Online Corp.

Implementation Schedule for NAICS 2012 for the BLS

Area:  National, International

Media Type: Link

Source: U.S. Bureau of Labor Statistics

2012 NAICS Structure

Area:  National, International

Media Type: Publication

Source: U.S. Census Bureau

National Crosswalk Service Center: Federal Occupation, Education and Industry Classifications

Area:  State, County, State, National

Media Type: Link

Source: National Crosswalk Service Center

Classification Systems: List and Definitions of Systems Commonly Used in U.S. & North America

Area:  National

Media Type: Link

Source: U.S. International Trade Commission

2007 NAICS (HISTORICAL)

Area:  National, International

Media Type: Link

Source: U.S. Census Bureau

Product Codes: Standard Industrial Trade Codes (SITC)

Area:  National, International

Media Type: Link

Source: U.S. Census Bureau

Standard Industrial Classification (SIC) Codes 1987

Area:  National, International

Media Type: Link

Source: Texas Comptroller of Public Account

Introduction to NAICS

Area:  National, International

Media Type: Link

Source: U.S. Census Bureau

NAICS at BLS: History & Overview with Links

Area:  National, International

Media Type: Link

Source: U.S. Bureau of Labor Statistics