The North American Industry Classification System (NAICS) has replaced the U.S. Standard Industrial Classification (SIC) system. NAICS will reshape the way we view our changing economy.
NAICS was developed jointly by the U.S., Canada, and Mexico to provide new comparability in statistics about business activity across North America.
美国国际贸易管理署ITA：工业出口数据 (International Trade Administration)
Summary by 杨宏伟 on 2002-08-13
Last updated by 李晓霞 on 2003-06-10