NAICS Code Description

541620 - Environmental Consulting Services

*Click to View Top Businesses by Revenue for 541620 – Complete Profiles*.

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.


  • 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 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 Resource and Solid Waste Management Programs.
Index Entries for 541620
541620541620541620Ecological restoration consulting services
541620541620541620Environmental consulting services
541620541620541620Environmental reclamation planning services
541620541620541620Sanitation consulting services
541620541620541620Site remediation consulting services
541620541620541620Wetland restoration planning services

Top Businesses by Annual Sales for 541620 – Click for Complete Profiles:

Amec Fster Wheler Ventures IncTuckerGA
Wood Environment &AlpharettaGA
Aecom Technical Services IncLos AngelesCA
Arcadis US IncHighlands RanchCO
Weston Solutions Holdings IncWest ChesterPA
Ghd Services IncNiagara FallsNY
Erm-NA Holdings CorpMalvernPA
Ramboll Holdings IncArlingtonVA
Aptim Envmtl Infrstructure LLCBaton RougeLA
Erm North America IncMalvernPA