Find NAICS codes with our free lookup tool. Search by industry name, business example, alternate name or filter by business sector.

The North American Industry Classification System (NAICS) is the standard used by federal statistical agencies to classify business establishments. Every business in the United States is assigned a six-digit NAICS code based on its primary activity.

Easily search and find NAICS codes for your industry to classify your business activities accurately.

Below is a comprehensive SIC and NAICS code lookup tool for United States publicly traded securities. This tool helps investors understand company classifications, industry groupings, and related companies using both the legacy SIC (Standard Industrial Classification) system and the modern NAICS (North American Industry Classification System) codes. The database includes all publicly traded ...

NAICS codes are not related to SIC codes; rather NAICS is a completely redesigned way of coding industries. NAICS recognizes hundreds more businesses than SIC did, largely in the fast-growing service sector.

The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. business economy.

NAICS was introduced in 1997 and is periodically revised to reflect changes in the industrial structure of the U.S. and North American economy. NAICS provides a tool to ensure that economic statistics reflect the changing economy.