Exhibit 21.1
Subsidiaries of the Registrant
Name of the Subsidiary | State or Other Jurisdiction of Incorporation or Organization |
|
|
Advanced GeoServices Corp. | Pennsylvania |
Air, Water and Soil Laboratories, Inc. | Virginia |
Analytical Environmental Services | California |
Emerging Compounds Treatment Technologies, Inc. | Massachusetts |
Enthalpy Analytical, LLC | Delaware |
Environmental Planning Specialists, Inc. | Georgia |
Envirosystems, Incorporated | New Hampshire |
ES Engineering Services, LLC | Delaware |
FRS Environmental Remediation, Inc | Florida |
Leymaster Environmental Consulting, LLC | California |
Montrose Air Quality Services, LLC | Delaware |
Montrose Environmental Group AB | Sweden |
Montrose Environmental Group GmbH | Germany |
Montrose Environmental Group Ltd. | British Columbia |
Montrose Environmental Solutions, LLC | Delaware |
Montrose Foreign Holdings, Inc. | Delaware |
Montrose Measurements and Analytics, LLC | Delaware |
Montrose Planning & Permitting, LLC | Delaware |
Montrose Services, LLC | Delaware |
Montrose Waste-To-Resources, LLC | Delaware |
Montrose Water and Sustainability Services, Inc. | Delaware |
MSE Group, LLC | Texas |
Nautilus Environmental, Inc. | California |
New Jersey | |
The Center for Toxicology and Environmental Health, LLC | Arkansas |
CTEH Leasing, LLC | Arkansas |
CTEH Properties, LLC | Arkansas |
CTEH Government Services, LLC | Arkansas |
CTEH IT Services, LLC | Arkansas |