Industry research is complicated and only a sample of resources and research techniques are highlighted here. For additional tips, see the more detailed guide linked below.
Selected subscription (SLU-only) databases with significant industry content:
The Standard Industrial Classification (SIC) and North American Industry Classification System (NAICS) are classification systems used to group similar companies together for the purpose of analyzing data. SIC uses a four-digit system, and NAICS uses a six-digit system. Use these websites to find SIC or NAICS codes, or to compare the two systems.