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Finding NAICS and SIC Codes
- North American Industry Classification System (NAICS)
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Locate NAICS codes to find similar businesses and industries. - Standard Industrial Classification (Online), US Department of Labor, Occupational Safety & Health Administration.
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This government site allows the user to search the 1987 version SIC manual by keyword, to access descriptive information for a specified 2,3,4-digit SIC, and to examine the manual structure.
