SIC & NAICS/Industry Classification
The North American Industry Classification System (NAICS) is a standardized set of 6 digit numbers assigned to thousands of industries and subindustries. It replaced the older 3-digit SIC codes in 1997. Many business databases use NAICS and SIC codes to categorize their reports. Use the websites below to identify the best NAICS code for your industry.
- Census DataAccess data about the nation's people and economy including demographic data and the Economic Census.
- U.S. Census NAICS-SIC Concordance TablesFind your NAICS code, and you will find the corresponding SIC code. Click on Concordances located under Reference Files.
- North American Industry Classification Search (NAICS)Search by keyword to find the NAICS code for the industry you are researching. Includes 2022, 2017 and 2012 NAICS codes.
- Standard Industrial Classification Manual (SIC) SearchSearch by keyword to find the SIC code for the industry you are researching.
