Census–NAICS 2012 Industry Code Crosswalk

The enclosed files are crosswalks between the 2012 editions of the Census industry and North American Industry Classification System (NAICS) codes, from 2- to 6-digit NAICS codes.

随附文件为2012版普查行业分类代码与北美行业分类体系（North American Industry Classification System，NAICS）代码之间的对应转换对照表，涵盖2位至6位的NAICS代码。