Industry Research

The NAICS is the most widely used classification by Federal statistical agencies in classifying business establishments. (Print copy is available in the Ready Reference. HF 1042 .A55 2007).

TheSIC Manual was last revised in 1987; it provides the government-assigned (four-digit) numerical codes for identifying industries, businesses, and products. With the adoption of the North American Free Trade Agreement, the SIC is officially replaced by NAICS. However, some industry publications still provide data based on the SIC (Print copy is available in the Ready Reference. HF 1042 .A55 1987).

Data on the U.S. imports and exports of merchandise is based on the HTS. It provides a detailed tariff classification system covering more than 10,000 product categories.
HTS is available in the Library: CDROM 714; U.S. Documents ITC1.10:

This extends the NAICS codes to the product level and is used for reporting production statistics in the Economic Census and the Current Industrial Reports.

A six-digit classification system that replaces the Standard International Trade Classification - SITC for international trade statistics.

The ISIC is the standard industrial classification of all economic activities. It is a (four-digit) classification system for statistics on economic activity (e.g. agriculture, manufacturing, retail and wholesale trade.)

The general industrial classification of economic activities within the European Union. NACE is based on a five to six-digit classification system and corresponds with ISIC at the two-digit level.

This is a five-digit classification system for products in external trade data and is used in reports from the United Nations and the OECD.

A new classification system developed by FTSE Group and Dow Jones Indexes. It is used for classifying public companies for investment analysis.