Structure of SIC Codes - SICCODE.com
https://siccode.com/page/structure-of-sic-codes
WEBStructure of the Standard Industrial Classification. The structure of the Standard Industrial Classification (SIC) makes it possible to tabulate, analyze, and publish establishment data on a Division, a two-digit Major Group, a three-digit Industry Group, or a four-digit Industry Code basis, according to the level of industrial detail ...
DA: 42 PA: 12 MOZ Rank: 66