1. The North American Industry Classification System (NAICS) is the standard used by Federal statistical agencies in classifying business establishments for the purpose of collecting, analyzing, and publishing statistical data related to the U.S. business economy. The print edition is at the Library, Call Number (REF HF1042 .A55).
2. Standard Industrial Classification (SIC), is replaced by NAICS but may still be used in some in databases. It provides four-digit numerical codes for identifying industries, businesses, and products. The SIC manual was last revised in 1987. The print edition is at the Library, Call Number (REF HF1042 .A55).
Company information and industry reports are available from the following databases:
Mergent Intellect (Use the link to FirstResearch for Industry data)
Mergent Online (Company, Industry& Market data/Information)
A number of Government Agencies provide statistical data on US Industries and sub-sectors.
The Federal Reserve Banks conduct periodic regional surveys of the manufacturing industries. Examples: