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Industries in the Business Professionals, Technical, Scientific category are companies engaged in processes where human capital is the major input. These companies make available the knowledge and skills of their employees, often on an assignment basis, where an individual or team is responsible for the delivery of services to the client. The individual industries of this category are defined on the basis of the particular expertise and training of the services provider. The distinguishing feature of the Business Professionals, Technical, Scientific category is the fact that most of the industries grouped in it have production processes that are almost wholly dependent on worker skills. Thus, the companies classified in this category sell expertise. Much of the expertise requires degrees, though not in every case.

There are 847,556 companies in the U.S. that operate in the Business Professionals, Technical, Scientific category comprised of 36 specific industries.

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NAICS classification details for Business Professionals, Technical, Scientific category:
NAICS Subsector code and description: 541 Professional, Scientific, and Technical Services
NAICS Economic Sector code and description: 54 Professional, Scientific, and Technical Services

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