Legacy Brands

The legacy brands of Montrose Environmental Group feature dozens of the most relevant names in air, water, and soil testing as well as leading organizations in the remediation and renewable energy landscape. We are proud to bring our collective resources to benefit your project.

• Advanced GeoServices Corp.
• Air Compliance Testing Inc.
• Air Compliance Consultants, Inc.
• Airtech Environmental Services, Inc.
• ARI Environmental Inc.
• Arista Laboratories, Inc.
• Associated Laboratories
• Aspen Consulting & Testing, Inc.
• Avanti Environmental, Inc.
• Avogadro Environmental Corporation
• Bighorn Environmental
• BT Environmental Consulting, Inc.
• CIMTEC, Inc.
• Class One Technical Services, Inc.
• Curtis & Tompkins, Ltd.
• Delta Air Quality Services, Inc.
• Eastmount Environmental Services, LLC
• EDM Consulting, L.L.C T/A Enviroplan Consulting
• Emissions Measurement Company, LLC

• Emission Testing Services, Inc.
• Entec Services, Inc.
• Enthalpy Analytical, Inc.
• Environmental Consulting, Inc.
• EnviroSystems, Inc.
• ES Engineering, Inc.
• The FGS Group (FRS Environmental Remediation, Inc.)
• GC Environmental, Inc.
• Horizon Engineering, LLC and Amtest Air Quality, LLC
• Nautilus Environmental
• PARS Environmental, Inc.
• Prism Analytical Technologies, Inc.
• Professional Environmental Services, Inc.
• SCEC
• South Florida Environmental Services, LLC
• The Air Compliance Group, LLC
• The Avogadro Group, LLC
• World Environmental