CDD> Facts and Maps> Business and Labor Force Data> Economic Census> 1987 Economic Census 1987 Economic Census 1987 Census of Manufacturers Manufacturing industry information from the 1987 Economic Census for the City of Cambridge. 1987 Census of Retailers Retail industry information from the 1987 Economic Census for the City of Cambridge. 1987 Census of Service Industries Service industry information from the 1987 Economic Census for the City of Cambridge. 1982 - 1992 Census of Wholesale Trade Wholesale industry information from the 1982, 1987 and 1992 Economic Censuses for the City of Cambridge.