NAICS Code Description

541330 Engineering Services

This industry comprises establishments primarily engaged in applying physical laws and principles of engineering in the design, development, and utilization of machines, materials, instruments, structures, processes, and systems. The assignments undertaken by these establishments may involve any of the following activities: provision of advice, preparation of feasibility studies, preparation of preliminary and final plans and designs, provision of technical services during the construction or installation phase, inspection and evaluation of engineering projects, and related services.
Illustrative Examples:
Civil engineering services
Environmental engineering services
Construction engineering services
Mechanical engineering services
Engineers' offices

Cross-References. Establishments primarily engaged in--

  • Planning and designing computer systems that integrate computer hardware, software, and communication technologies--are classified in U.S. Industry 541512, Computer Systems Design Services;
  • Performing surveying and mapping services of the surface of the earth, including the sea floor--are classified in Industry 541370, Surveying and Mapping (except Geophysical) Services;
  • Gathering, interpreting, and mapping geophysical data--are classified in Industry 541360, Geophysical Surveying and Mapping Services;
  • Creating and developing designs and specifications that optimize the use, value, and appearance of products--are classified in Industry 541420, Industrial Design Services;
  • Providing advice and assistance to others on environmental issues, such as the control of environmental contamination from pollutants, toxic substances, and hazardous materials--are classified in Industry 541620, Environmental Consulting Services; and
  • Both the design and construction of buildings, highways, and other structures or in managing construction projects--are classified in Sector 23, Construction, according to the type of project.
2002
NAICS
  2007
NAICS
  2012
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  Corresponding Index Entries
541330   541330   541330   Acoustical engineering consulting services
541330   541330   541330   Acoustical system engineering design services
541330   541330   541330   Boat engineering design services
541330   541330   541330   Chemical engineering services
541330   541330   541330   Civil engineering services
541330   541330   541330   Combustion engineering consulting services
541330   541330   541330   Construction engineering services
541330   541330   541330   Consulting engineers' offices
541330   541330   541330   Consulting engineers' private practices
541330   541330   541330   Electrical engineering services
541330   541330   541330   Engineering consulting services
541330   541330   541330   Engineering design services
541330   541330   541330   Engineering services
541330   541330   541330   Engineers' offices
541330   541330   541330   Engineers' private practices
541330   541330   541330   Environmental engineering services
541330   541330   541330   Erosion control engineering services
541330   541330   541330   Geological engineering services
541330   541330   541330   Geophysical engineering services
541330   541330   541330   Heating engineering consulting services
541330   541330   541330   Industrial engineering services
541330   541330   541330   Logging engineering services
541330   541330   541330   Marine engineering services
541330   541330   541330   Mechanical engineering services
541330   541330   541330   Mining engineering services
541330   541330   541330   Petroleum engineering services
541330   541330   541330   Traffic engineering consulting services

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