Registry · NAICS Index · Sector 54

541620 — Environmental Consulting Services

NAICS 541620 is 'Environmental Consulting Services', a 2022 U.S. national industry under Sector 54 (Professional, Scientific, and Technical Services); the SBA small-business size standard is $19,000,000.

Description

This industry comprises establishments primarily engaged in providing advice and assistance to businesses and other organizations on environmental issues, such as the control of environmental contamination from pollutants, toxic substances, and hazardous materials. These establishments identify problems (e.g., inspect buildings for hazardous materials), measure and evaluate risks, and recommend solutions. They employ a multidisciplined staff of scientists, engineers, and other technicians with expertise in areas, such as air and water quality, asbestos contamination, remediation, ecological restoration, and environmental law. Establishments providing sanitation or site remediation consulting services are included in this industry.

Exclusions & Cross-References

  • Establishments primarily engaged in environmental remediation are classified in Industry 562910,
  • Remediation Services;
  • Establishments primarily engaged in providing environmental engineering services are classified in
  • Industry 541330, Engineering Services;
  • Establishments primarily engaged in providing environmental testing services are classified in Industry
  • 541380, Testing Laboratories and Services;
  • Establishments primarily engaged in promoting the preservation and protection of the environment are
  • classified in U.S. Industry 813312, Environment, Conservation and Wildlife Organizations;
  • Establishments primarily engaged in individual activities as part of an ecological restoration project are
  • classified according to the primary activity; and
  • Government establishments primarily engaged in administering, overseeing, and managing governmental
  • ecological restoration programs are classified in Industry 924110, Administration of Air and Water

Overview Facts

NAICS Code541620
Industry TitleEnvironmental Consulting Services
SBA Size Standard$19,000,000
IRS PBA Code541600 (rolled-up match)
Sectors HierarchySector 54 → 541 → 5416
Source / VerifiedUS Census 2022 NAICS Manual / 2026-06-28
NAICS Structure: 541620 National Industry
Sector (2)
54
Professional, Scientific, and Technical Services
Subsector (3)
541
Professional, Scientific, and Technical Services
Industry Group (4)
5416
Management, Scientific, and Technical Consulting Services
Industry (5)
54162
Environmental Consulting Services
National Industry (6)
541620
Environmental Consulting Services

Legacy SIC Concordance

Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.

  • SIC 8999 - Services, NEC (via SIC1987:8999→NAICS1997:54162→2002:541620→2007:541620→2012:541620→2017:541620→2022:541620)

Related Resources & Compliance Guides

Further regulatory reference links for NAICS code 541620:

Related Industries in 5416

541611 - Administrative Management and General Ma...541612 - Human Resources Consulting Services...541613 - Marketing Consulting Services...541614 - Process, Physical Distribution, and Logi...541618 - Other Management Consulting Services...541690 - Other Scientific and Technical Consultin...

Frequently Asked Questions (FAQ)

Is 541620 a valid 2022 NAICS code?

NAICS 541620 is 'Environmental Consulting Services', a 2022 U.S. national industry under Sector 54 (Professional, Scientific, and Technical Services); the SBA small-business size standard is $19,000,000.

What is the SBA size standard for NAICS 541620?

The SBA small business size standard for NAICS 541620 is $19,000,000 (based on receipts).

What is the legacy SIC code mapping for 541620?

NAICS code 541620 maps to the legacy 1987 SIC codes: 8999 - Services, NEC.