The Office of Occupational Statistics and Employment Projections
develops information about the labor market for the Nation as a whole for 10 years in the future.
Standard Occupational Classification-- The SOC system is used by government agencies to classify workers into occupational categories for the purpose of collecting, calculating, or disseminating data.
U.S. Bureau of Labor Statistics
Office of Occupational Statistics and Employment Projections
Suite 2135
2 Massachusetts Avenue, NE
Washington, DC 20212-0001