Research Guides: BUS 110: Entrepreneurship: SIC & NAICS Codes

Industry Code Example: "Promotional Products Distributors" SIC 5199 or NAICS 541890

Standard Industrial Classification (SIC) system
The SIC codes are in the process of being replaced with the NAICS system.
NAICS North American Industry Classification System
NAICS is the standard used by Federal statistical agencies in classifying business establishments.