What are SIC Codes?
SIC Directory / Lookup
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What are NAICS Codes?
NAICS Directory / Lookup
NAICS to SIC Conversion
SIC/NAICS Business Lists - Databases
SIC/NAICS Code Appending
Canada Business Lists
Classification Systems Overview
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Additional Industry Codes
Specialized Business Codes
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Target companies by SIC and NAICS codes
The NAICS Directory contains a database of all the North American Industry Classification System codes. Use the search box or simply click on any category below.
Health Care and Social Assistance
Ambulatory Health Care Services
Nursing and Residential Care Facilities