Last updated in 1987, this code is 'history', at least as far as most of the US federal government is concerned.
Time series data implications: The transition to NAICS from SIC means that for some industries, time series will be broken.Updates: The code is reviewed and updated as necessary every 5 years.See below for more notes on the implications of this. Guiding principle: NAICS retains the same guiding principle as SIC: to group together industries that have similar production processes.Read more in the FAQ from the Census Bureau.If you're getting odd results for a particular NAICS code search (as in, you're missing some companies you believe should be retrieved, or you're getting companies that you believe should not be there), you need to contact the data vendor to find out how they assign or collect NAICS codes.SEC filings) others assign codes themselves. And commercial publishers have a variety of strategies: some use the codes they find in corporate documents (e.g. In addition, the companies themselves choose their own NAICS codes when submitting their filings to the SEC. Lots of people and organizations!Įach statistical agency in the government assigns the codes for its own publications, based on the answers provided by companies to surveys and questionnaires. Some companies will have half a dozen or even more codes!
Because many of them also offer financing for car buyers, they also have NAICS code 522298 (All other non-depository credit intermediation). For example, car manufacturers obviously have the NAICS code 336111 (automobile manufacturing). Since large companies often have several lines of business, they also have several NAICS codes.
The Census Bureau FAQ listis quite lengthy. The US Census Bureau began collecting data using NAICS in 1997, but because of the long publication cycle for the Census Bureau, NAICS did not completely replace the SIC code till 2004. The code has already been updated twice (20), and there are plans for more updates as well.
Its development is a result of NAFTA, the North American Free Trade Agreement, and it allows for comparable statistics among the three NAFTA trading partners. This code is used by the US, but also by Canada and Mexico.