NAICS Code 541330 Engineering Services


Professional, Scientific, and Technical 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.

Cross References

Establishments primarily engaged in
  • Planning and designing computer systems that integrate computer hardware, software, and communication technologies: 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: classified in Industry 541370, Surveying and Mapping (except Geophysical) Services
  • Gathering, interpreting, and mapping geophysical data: classified in Industry 541360, Geophysical Surveying and Mapping Services
  • Creating and developing designs and specifications that optimize the use, value, and appearance of products: 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: classified in Industry541620, Environmental Consulting Services
  • Both the design and construction of buildings, highways, and other structures or in managing construction projects: classified in Sector 23, Construction, according to the type of project.

Illustrative Examples

  • Environmental engineering services
  • Construction engineering services
  • Mechanical engineering services
  • Engineers' offices
  • Civil engineering services

Industries Included

  • Acoustical engineering consulting services
  • Acoustical system engineering design services
  • Boat engineering design services
  • Chemical engineering services
  • Civil engineering services
  • Combustion engineering consulting services
  • Construction engineering services
  • Consulting engineers' offices
  • Consulting engineers' private practices
  • Electrical engineering services
  • Engineering consulting services
  • Engineering design services
  • Engineering services
  • Engineers' offices
  • Engineers' private practices
  • Environmental engineering services
  • Erosion control engineering services
  • Geological engineering services
  • Geophysical engineering services
  • Heating engineering consulting services
  • Industrial engineering services
  • Logging engineering services
  • Marine engineering services
  • Maritime technology engineering services
  • Mechanical engineering services
  • Mining engineering services
  • Petroleum engineering services
  • Traffic engineering consulting services

Industry Leaders