The data includes, for each designated geographic area, employment and payroll data organized by NAICS. The North American Industry Classification System (NAICS) is used by the United States, Canada, and Mexico to classify businesses by industry. "This data is useful for studying the economic activity of small areas; analyzing economic changes over time; and as a benchmark for other statistical series, surveys, and databases between economic censuses. Businesses use the data for analyzing market potential, measuring the effectiveness of sales and advertising programs, setting sales quotas, and developing budgets. Government agencies use the data for administration and planning." (from website)