NAICS Codes
Explore industries and the federal vendors associated with each code.
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236220 — Commercial and Institutional Building Construction
Construction of commercial, industrial, and institutional buildings.
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238220 — Plumbing, Heating, and Air-Conditioning Contractors
Installing and servicing plumbing, heating, and air-conditioning equipment.
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541330 — Engineering Services
Applying physical laws and principles of engineering in the design, development, and utilization of machines, materials, instruments, structures, processes, and systems.
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541511 — Custom Computer Programming Services
Writing, modifying, testing, and supporting software to meet the needs of a particular customer.
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541512 — Computer Systems Design Services
Establishments primarily engaged in planning and designing computer systems that integrate hardware, software, and communication technologies.
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541519 — Other Computer Related Services
Computer related services not elsewhere classified.
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541611 — Administrative Management Consulting Services
Providing operating advice and assistance to businesses and other organizations.
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541990 — All Other Professional, Scientific, and Technical Services
Professional, scientific, and technical services not elsewhere classified.
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561210 — Facilities Support Services
Providing operating staff to perform a combination of support services within a client's facilities.
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561320 — Temporary Help Services
Supplying workers to client businesses for limited periods of time.