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The North American Industry Classification System or NAICS (/ n eɪ k s /) [1] is a classification of business establishments by type of economic activity (the process of production). It is used by governments and business in Canada , Mexico , and the United States of America .
National and international statistical agencies use various industry-classification schemes to summarize economic conditions. Securities analysts use such groupings to track common forces acting on groups of companies, to compare companies' performance to that of their peers, and to construct either specialized or diversified portfolios.
The primary sector of the economy includes any industry involved in the extraction and production of raw materials, such as farming, logging, fishing, forestry and mining. [ 1 ] [ 2 ] [ 3 ] The primary sector tends to make up a larger portion of the economy in developing countries than it does in developed countries .
The Census Bureau releases sector-by-sector statistics on the number of establishments, total business activity, annual payroll, and number of paid employees. A standardized classification of the economy into sectors makes it possible to compare census results over time.
The following outline is provided as an overview of and topical guide to industry: Industry , in economics and economic geography , refers to the production of an economic good or service within an economy .
For example, the retail trade sector contains industries such as clothing stores, shoe stores, and health and personal care stores. Companies are not limited to one sector or industry. They can reside in multiple sectors and industries. Industries, though associated with specific products, processes, and consumer markets, can evolve over time ...
Service industries are those not directly concerned with the production of physical goods (such as agriculture and manufacturing).Some service industries, including transportation, wholesale trade and retail trade are part of the supply chain delivering goods produced in the agricultural and manufacturing sectors to final consumers.
Labor market segmentation is the division of the labor market according to a principle such as occupation, geography and industry. [1]One type of segmentation is to define groups "with little or no crossover capability", such that members of one segment cannot easily join another segment. [2]