Exhibit 21
Subsidiaries of Tetra Tech, Inc. | ||||||||
NAME | JURISDICTION OF FORMATION | |||||||
Advanced Management Technology, Inc. | Virginia | |||||||
American Environmental Group, Ltd. | Ohio | |||||||
America's Schoolhouse Consulting Services, Inc. | New York | |||||||
ARD, Inc. | Vermont | |||||||
Ardaman & Associates, Inc. | Florida | |||||||
BIOCNG, LLC | New York | |||||||
BlueWater Federal Solutions, Inc. | Delaware | |||||||
Cornerstone Environmental Group, LLC | New York | |||||||
Cosentini Associates, Inc. | New York | |||||||
Foothills Indemnity, Inc. | Hawaii | |||||||
Fort Point Associates, Inc. | Massachusetts | |||||||
Global Tech Inc. | Virginia | |||||||
Glumac | California | |||||||
Hoare Lea LLP | United Kingdom | |||||||
Hydro-Ops LLC | Delaware | |||||||
INDUS Corporation | Virginia | |||||||
Integrated Justice Systems International, LLC | Delaware | |||||||
LDIS, LLC | Colorado | |||||||
Management Systems International, Inc. | District of Columbia | |||||||
PRO-telligent, LLC | Delaware | |||||||
Rooney Engineering, Inc. | Colorado | |||||||
Segue Technologies, Inc. | Virginia | |||||||
Tetra Tech Alaska, L.L.C. | Alaska | |||||||
Tetra Tech Australia Pty Ltd | Australia | |||||||
Tetra Tech BAS, Inc. | California | |||||||
Tetra Tech CES, LLC | Washington | |||||||
Tetra Tech Coffey Holding LLC | Delaware | |||||||
Tetra Tech Construction, Inc. | New York | |||||||
Tetra Tech EC, Inc. | Delaware | |||||||
Tetra Tech EMC, Inc. | California | |||||||
Tetra Tech ES, Inc. | Delaware | |||||||
Tetra Tech Executive Services, Inc. | California | |||||||
Tetra Tech Expeditionary Operations, Inc. | Delaware | |||||||
Tetra Tech Holding LLC | Delaware | |||||||
Tetra Tech Holdings Pty Ltd. | Australia | |||||||
Tetra Tech International, Inc. | Delaware | |||||||
Tetra Tech MA, Inc. | Delaware | |||||||
Tetra Tech MIMDU, LLC | Delaware | |||||||
Tetra Tech Technical Services, Inc. | Delaware | |||||||
Tetra Tech Tesoro, Inc. | Virginia | |||||||
Tetra Tech UK Holdings Limited | United Kingdom | |||||||
The Kaizen Company, LLC | District of Columbia |