Practical Law Glossary Item w-007-8910 (Approx. 2 pages)
Glossary
North American Industry Classification System (NAICS)
A system used by the US federal government to classify business revenues. Filing parties must include NAICS codes to identify types of revenue and potential competitive overlaps when making filings under the Hart-Scott-Rodino Act (HSR Act). NAICS codes are listed on the Census Bureau's website.