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HomeBrowseNAICS541620
NAICS541620Sector 54

Environmental Consulting Services

Advice and assistance on environmental compliance, assessment, and sustainability. Find active federal and state environmental consulting services contracts — AI-scored against your profile across SAM.gov and 200+ portals.

541620
NAICS Code
$650K
Avg Contract Value
Professional Services
Sector
5 agencies
Top Buyers

Top Federal Buyers for NAICS 541620

These agencies are the largest buyers of environmental consulting services services and products in the federal government. Each awards contracts under NAICS 541620 regularly — build relationships with their small business offices first.

EPA
DOE
State DEPs
Army Corps
Municipal Governments

How to Win NAICS 541620 Contracts

1
Register NAICS 541620 in SAM.gov

Add NAICS 541620 to your SAM.gov profile immediately if it accurately reflects your capabilities. Contracting officers search SAM.gov by NAICS code when issuing sole-source awards — if you're not registered, you're invisible to this channel.

2
Target the right agencies

Focus on the top buyers listed above. Each has a small business office that issues capability briefing appointments. A 30-minute briefing with a contracting officer who knows your firm is worth more than 10 cold proposals.

3
Pursue relevant certifications

8(a), HUBZone, SDVOSB, and WOSB certifications create set-aside opportunities in NAICS 541620. Each certification reduces your competition pool dramatically and adds sole-source contract eligibility up to $4.5M.

4
Respond to Sources Sought notices

Before formal solicitations post, agencies publish Sources Sought notices to gauge market interest. Responding positions you as a known vendor before the competition begins — and your response may shape the final solicitation's requirements.

Monitor and respond fast

Set up real-time alerts for NAICS 541620. The first contractors to engage with a solicitation — attending industry days, submitting Q&A questions, contacting the contracting officer — win at significantly higher rates than those who respond at the last minute.

Related Search Terms

environmental consultingenvironmental assessmentEIAenvironmental compliancesustainability consultingnaics 541620 contractsnaics 541620 governmentnaics 541620 federalnaics 541620 set aside

Frequently Asked Questions

What is NAICS code 541620?

NAICS 541620 covers environmental consulting services. Advice and assistance on environmental compliance, assessment, and sustainability. It is classified under the Professional Services sector (NAICS 54xx) in the North American Industry Classification System.

Who are the biggest buyers for NAICS 541620?

The top federal buyers for NAICS 541620 include EPA, DOE, State DEPs, and others. Each agency has a small business office that actively seeks qualified vendors in this classification.

What is the average contract size for NAICS 541620?

The average government contract value for NAICS 541620 is $650K. Individual contracts range from micro-purchases under $25,000 to multi-year IDIQs worth hundreds of millions depending on the agency and scope.

Do I need to register NAICS 541620 in SAM.gov?

Yes — if you want to compete for or receive sole-source awards under NAICS 541620, you must have it registered in your SAM.gov entity profile. Contracting officers use SAM.gov NAICS code searches to find vendors for awards below the simplified acquisition threshold.

Related NAICS Codes