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NAICS code lookup
The complete official 2022 dictionary — all 1,012 six-digit NAICS codes. Open any code for its pricing, market, competitors, and live opportunities.
541330Professional Services
Engineering Services
Application of engineering principles in the design, development, and use of machines, materials, instruments, structures, processes, and systems. Used across civil, mechanical, electrical, and environmental engineering work.
Typical value
$500K – $30M per award
Common set-asides
Small Business, 8(a), HUBZone, SDVOSB, WOSB
Top buyers
US Army Corps of Engineers · Department of Transportation · Naval Facilities Engineering Command · Department of Energy · NASA
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