Search for a Specific NAICS code.From this link, "NAICS 2007 is exactly the same as NAICS 2002 for thirteen of the twenty sectors. There was restructuring within part of the information sector. Industry changes affect the boundaries of three sectors."
NAICS uses a six-digit hierarchical coding system to classify all economic activity into twenty industry sectors. More "Five sectors are mainly goods-producing sectors and fifteen are entirely services-producing sectors. This six-digit hierarchical structure allows greater coding flexibility than the four-digit structure of the SIC. NAICS allows for the identification of 1,170 industries compared to the 1,004 found in the SIC system".
