All industry in the United States is tracked by either NAICS or SIC codes. Use the links below to find out the proper code for you business. The print copies can be useful for browsing.
NAICS/SIC Codes
These resources are primarily for United States industries and companies. If you need information about international industries and/or markets, use these guides:
This guide is a copy of much of the Market Research guide, but not everyone doing business research is strictly speaking doing "market research." If you do not find what you're looking for here, try the Market Research guide.
Image from: oee.nrcan.gc.ca