SIC, NAICS, MIC, and ICB codes are industry classification codes used to organize companies and products into industries.
- SIC (Standard Industrial Classification) - Four digit codes assigned to U.S. industries and their products.
- NAICS (North American Industry Classification System) - Six digit codes implemented by the U.S., Canada, and Mexico.
- MIC (Mergent Industry Classification) - Numerical codes developed by Mergent to organize the companies into industries.
- ICB (Industry Classification Benchmark) - Developed by Dow Jones and the Financial Times Stock Exchange (FTSE) to categorize companies by industry and sector.
