What are SIC Codes?
SIC Directory / Lookup
SIC to NAICS Conversion
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
Product Codes US & International
Additional Industry Codes
Specialized Business Codes
Occupational & Educational Codes
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The SIC Directory contains a database of all the Standard Industrial Classification codes. Use the search box or simply click on any category below.
Finance, Insurance, Real Estate
Non-Depository Credit Institutions
Security and Commodity Brokers, Dealers, Exchanges, and Services
Insurance Agents, Brokers and Service
Holding and other Investment Offices