The following tables provide detailed descriptions of the direct relationships between classification systems.
2012 NAICS to 2007 NAICS [XLS, 172KB]
2012 NAICS to ISIC Rev. 4 [XLS, 329KB]
2007 NAICS to 2012 NAICS [XLS, 167KB]
2007 NAICS to 2002 NAICS [XLS, 158KB]
2007 NAICS to ISIC Rev. 4 [XLS, 338KB]
2002 NAICS to 2007 NAICS [XLS, 158KB]
2002 NAICS to 1997 NAICS [XLS, 1.3MB]
2002 NAICS to 1987 SIC [XLS, 397KB]
2002 NAICS to ISIC Rev. 3.1 [XLS, 416KB]
2002 NAICS to NACE Rev. 1.1 [XLS, 460KB]
1997 NAICS to 2002 NAICS [XLS, 1.3MB]
1997 NAICS to 1987 SIC [XLS, 358KB]
1987 SIC to 2002 NAICS [XLS, 397KB]
1987 SIC to 1997 NAICS [XLS, 359KB]
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