Search on and bring up a single company for display on screen. Scroll down to the Industry section of the page. There you'll see the primary and secondary NAICS codes, if available.
Note to Mgt 469 students.: Remember to pay attention about the stock exchange; you need to use companies that do not trade OTC. The exchange is listed near the top of the page, under the Company Type
This resource replaces Mergent Online in June 2025. It provides access to company financials, ratios, business segments, descriptions, sustainability, officers and directors. It is especially useful for company, industry, index, ESG and economic data views, SEC filings, and other reports.