The North American Industry Classification System (NAICS) is used by U.S. statistical agencies to facilitate the collection, tabulation, presentation, and analysis of data relating to economic establishments by sector and industry. The websites below can help you identify your industry by NAICS code, and the older SIC code.
Market Share data can be found in industry reports and articles. For additional information about industry reports and article databases, see the Industry Reports section of the guide as well as the Industry Information Sources guide.
Information on private companies, especially financial information is challenging to find. Company overviews and articles from business and trade publications are good sources for private company information.