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NAICS Code for Engineering

The primary NAICS code for Engineering is 541330 — Engineering Services. Businesses classified under NAICS 541330 (Engineering Services) are involved 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. Typical activities include: Applying physical laws and principles of engineering in the design, Development, Utilization of machines, Materials, Instruments. Related codes include 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)), 23799 (Other Heavy and Civil Engineering Construction), 54171 (Research and Development in the Physical, Engineering, and Life Sciences).

Primary NAICS Code

541330Engineering Services

About Engineering

Businesses classified under NAICS 541330 (Engineering Services) are involved 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.

Typical Business Activities

What's Included

  • +Applying physical laws and principles of engineering in the design
  • +Development
  • +Utilization of machines
  • +Materials
  • +Instruments
  • +Structures
  • +Processes
  • +Systems

How to Determine Your NAICS Code

While 541330 (Engineering Services) is the most common classification for engineering, your specific code depends on your primary revenue-generating activity. Review the included and excluded activities above to confirm this code fits your business. If your operations span multiple categories, use the code that best represents your largest source of revenue. You can also use the search tool below to describe your specific business activities and find the most accurate match.

Related NAICS Codes

Businesses in engineering may also fall under these codes:

Example Companies

Baird & Associates

We view each and every project as a new opportunity to learn and grow, building on the experience and expertise around the table to find innovative, cost-effective, and high-value solutions for clients.

baird.com

Boca Raton, Florida, United States

Parsons

Parsons Corporation is an American multinational company that operates in the fields of national security, infrastructure engineering, and technology solutions..

parsons.com

Chantilly, Virginia, United States

Parsons

Parsons Corporation is an American multinational company that operates in the fields of national security, infrastructure engineering, and technology solutions..

parsons.com

Chantilly, Virginia, United States

Parsons

Parsons Corporation is an American multinational company that operates in the fields of national security, infrastructure engineering, and technology solutions..

parsons.com

Chantilly, Virginia, United States

AECOM

AECOM Technology Corporation is an American multinational infrastructure consulting firm engaged in architecture, engineering, construction management, and urban planning. The company provides services in environmental services, program management, asset advisory, climate adaptation, community engagement, and digital infrastructure solutions. AECOM serves clients in sectors such as energy, transportation, water, healthcare, and national governments, and operates globally with offices in the Americas, Europe, the Middle East, Asia, and Australia. The company is also involved in sustainability initiatives and environmental management consulting.

aecom.com

Dallas, Texas, United States

Describe Your Business

Need a more specific NAICS code? Search by your business activity or company name:

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