The North American Industry Classification System (NAICS), is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. business economy.
Examples of NAICS Codes:
415110 New and used automobile and light-duty truck merchant wholesalers
441120 Used Car Dealers
Some business databases, example, the Business Source Premier , can also be used to identify industry code. Search the industry of interest by key word and open the results to see industry class associated with the report.
The U.S. Census Bureau website (Census.gov) offers useful information related to business and industry.
For data on economic sectors, click on the link for Economic Indicators . For retail industries look for the link to Advance Monthly Sales for Retail Trade and Food Services.
The U.S. Census Bureau's Explore Census Data website is a good source of Economic Census data for 1997, 2002, 2007, 2012 and 2017. The Economic Census comes out every five years. It is the U.S. Government's official five-year measure of American business and the economy.
The 2017 Economic Census data has been released. To obtain the data available, check out the 2017 Economic Census releases by state.