Via the Census – “National-level data for manufacturing industry groups and industries at the three-, four-, five- and six-digit North American Industry Classification System (NAICS) levels. Provides statistics on employment, payroll, supplemental labor costs, cost of materials consumed, operating expenses, value of shipments, value added by manufacturing, fuels and electric energy used, and inventories. Also provides statistics for each state and the District of Columbia as well as product shipments statistics at the seven-digit product class level. Survey statistics are released annually except for years ending in 2 and 7, at which time they are included in the manufacturing sector of the economic census.”