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Replaced the U.S. Standard Industrial Classification (SIC) system in 1997; it's a 5- or 6-digit number. You can search by keyword, and there are tables to convert from NAICS to SIC, and SIC to NAICS. The NAICS was developed jointly by the U.S., Canada, and Mexico to compare statistics about business activity across North America.
Professional reference service is available via phone, e-mail, and in-person at both the St. Paul and Minnepolis campus libraries. While walk-in service is often available, we recommend that you make an appointment for lengthy consultations or tutorials. Contact one of the business librarians for an appointment.