Some zip code information with more as data is released. The Census Bureau site has 1993 - 1997 data to the 4 digit SIC code. Information includes employment and payroll data for the U.S., states, and counties. The University of Virginia site has data from 1977 to 1995 by two-digit SIC codes. Also available on CD-ROM in the Government Publications Department Current Industrial Reports Department of Commerce Production data for U.S. manufacturing industries.
Data can be monthly, quarterly, or annual.
1993 data to date. Printed reports until 1993, when the documents ceased in print format, are available in the Government Publications Department. U.S. Bureau of Labor Statistics Press releases on employment, earnings, and collective bargaining. Time series usually from the mid-80's and current monthly statistics on unemployment rate, prices, productivity and earnings. State and Area Current Employment Statistics BLS Local Area Unemployment Series BLS NBER Macro History Data Base National Bureau of Economic Research Time series of monthly, quarterly, or annual U.S. economic indicators from approximately 1900-1960.