NAICS 541620
Environmental Consulting Services
Sector: Professional, Scientific, and Technical Services
SBA size standard
$19.0M
Top buying agencies
- Department of Defense
- Environmental Protection Agency
- Department of Energy
- Department of the Interior
Open opportunities in NAICS 541620
Updated August 24, 2026285active solicitations
Most active buyers
- Interior, Department of the68
- Department of Defense59
- Department of Veterans Affairs57
- Department of Agriculture54
- Department of Transportation11
Most common set-asides
- Total Small Business Set-Aside (FAR 19.5)105
- Unrestricted85
- Small Business Set Aside - Total29
- No Set aside used22
- Service-Disabled Veteran-Owned Small Business Set Aside16
Counts reflect active contract opportunities ingested from SAM.gov and refresh daily. Figures move as solicitations are posted, amended, and closed.
Description
Establishments primarily engaged in advising on environmental issues — contamination assessment, remediation planning, regulatory compliance, and environmental impact analysis.
Common uses in federal contracting
- NEPA environmental impact statements
- Site assessment and remediation planning
- Environmental compliance and permitting support
How to use this NAICS
Add NAICS 541620 to your SAM.gov entity profile to be identified as a provider in this industry. If you are a small business under the $19.0M size standard, you qualify for small-business set-asides in this code.
See our guide to federal set-asides for a walk-through of which programs you can stack on top of this NAICS.