Concordance between the standard industrial classifications of Canada and the United States: 1980 Canadian SIC - 1987 United States SIC
The Map & Data Library converted the 1991 Statistics Canada publication to computer-readible format in 2002. This publication contains the official concordance between the 1980 Canadian Standard Industrial Classification (SIC) and the 1987 United States Standard Industrial Classification (SIC). The concordance was developed jointly by the U.S. Bureau of the Census and Statistics Canada