NAICS541330National industry

Engineering Services

Businesses in this NAICS code apply physical engineering principles in the design, development, and utilization of machines, materials, structures, or processes.

Classification summary

Businesses in this NAICS code apply physical engineering principles in the design, development, and utilization of machines, materials, structures, or processes.

Taxonomy
NAICS
Slug
541330
Primary use
Providing architectural, engineering, surveying, and related technical services.

Common businesses using this code

  • Civil, mechanical, and electrical engineering firms.
  • Environmental and industrial engineering consultancies.

Don't confuse with

Computer systems and software engineering, rather than physical engineering.

Scientific research and development, rather than applied engineering design.

Related codes

Official source

U.S. Census Bureau NAICS 541330 page

Official Census NAICS lookup remains the anchor source for classification wording and verification.