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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.
541620Professional Services
Environmental Consulting Services
Advice and assistance to businesses and government on environmental issues — including environmental impact assessments, NEPA compliance, regulatory permitting, environmental audits, and site assessment services. The dominant NAICS for non-remediation environmental work.
Typical value
$250K – $20M per award
Common set-asides
Small Business, 8(a), HUBZone, SDVOSB, WOSB
Top buyers
Environmental Protection Agency · US Army Corps of Engineers · Department of Energy · Department of the Interior · Department of Defense
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