Federal NAICS Codes

NAICS 541620: Environmental Consulting Services

Explore obligations, trends, recent awards, and incumbent contractors for NAICS 541620.

NAICS 541620 federal market metrics

Total obligations
$53.6B
Total awards
74,314 awards
Active obligations
$3B
Size standard
$19,000,000 receipts

What this NAICS covers

NAICS 541620 covers environmental consulting services such as site assessments, regulatory compliance support, environmental sampling and monitoring, impact analyses, remediation planning assistance, and preparation of environmental reports and permits.

Federal opportunities under 541620 typically involve delivering technical studies and documentation to meet statutory environmental requirements, performing field sampling and data interpretation, preparing compliance or permitting packages, and advising project teams on mitigation and remediation options.

FY2025 snapshot

Obligations
$703.6M
Awards
1,914
Average award
$367.6K
Change from FY2024
-43.4%

Recent awards

Search contractors

$35,000

EASTERN RESEARCH GROUP INC

Environmental Protection Agency

PIID
68HERW26F0157
PSC
R425 - SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL

$200,000

ROGUE INDUSTRIES LLC

Department of Veterans Affairs

PIID
36C24826N0760
PSC
R428 - SUPPORT- PROFESSIONAL: INDUSTRIAL HYGIENICS

$235,591

TRC ENVIRONMENTAL CORPORATION

Federal Aviation Administration

PIID
692M1526F00111
PSC
R425 - SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL

$3,750

LANDMARK ENVIRONMENTAL LLC

Forest Service

PIID
12443926P0040
PSC
F115 - ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL CONSULTING AND LEGAL SUPPORT

$502,441

THE NDN COMPANIES

Environmental Protection Agency

PIID
68HE0926C0004
PSC
F999 - OTHER ENVIRONMENTAL SERVICES

$160,981

TRC ENVIRONMENTAL CORPORATION

Federal Aviation Administration

PIID
692M1526F00086
PSC
R425 - SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL

$150,000

EASTERN RESEARCH GROUP INC

Environmental Protection Agency

PIID
68HERL26F0133
PSC
F115 - ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL CONSULTING AND LEGAL SUPPORT

FAQ

What work fits NAICS 541620?
  • Phase I environmental site assessments and historical records review to identify potential contamination risks prior to property acquisition.
  • Preparation of environmental assessment reports, impact analyses, and mitigation plans to support project decision processes.
  • Contaminated site investigation and conceptual remediation alternatives including sampling plans, data interpretation, and cost estimating support.
  • Compliance audits and preparation of permit application support, monitoring plans, and technical advisory services during project planning.
When is NAICS 541620 a weak fit?
  • Environmental laboratory analysis contracts that perform sample testing and laboratory certification, which require accredited lab operations rather than consulting deliverables and reports.
  • Remediation construction contracts that implement soil excavation, demolition, or in-situ treatment and require construction execution capacity distinct from consulting recommendations.
  • Manufacture or installation of environmental monitoring instrumentation where the primary activity is equipment production and installation rather than technical advisory services.
What solicitation language points to NAICS 541620?
  • Statement of work requests deliverables such as site assessment reports, technical memoranda, sampling plans, and conceptual remediation options.
  • Labor categories requested are environmental scientists, subject-matter technical advisors, or compliance specialists with demonstrated consulting experience and technical reports.
  • Evaluation criteria emphasize technical approach, past performance on environmental studies, and the quality of proposed methodologies for field investigations and data interpretation.

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