EX-21 6 a2217397zex-21.htm EX-21

Exhibit 21

 

 

Subsidiaries of Tetra Tech, Inc.

 

NAME

 

JURISDICTION OF FORMATION

Advanced Management Technology, Inc.

 

VIRGINIA

Advent Engineering Services, Inc.

 

MICHIGAN

AEG Solutions, Inc.

 

OHIO

AEG West, Inc.

 

CALIFORNIA

America’s Schoolhouse Consulting Services, Inc.

 

NEW YORK

America’s Schoolhouse Council, LLC

 

NEW YORK

American Environmental Group, Ltd.

 

OHIO

ARD, Inc.

 

VERMONT

Ardaman & Associates, Inc.

 

FLORIDA

BNG Specialized Engineering Services Ltd

 

ALBERTA, CANADA

BPR-Bâtiment Inc.

 

QUEBEC, CANADA

BPR Construction Inc.

 

QUEBEC, CANADA

BPR CSO Solutions Inc.

 

DELAWARE

BPR-Énergie Inc.

 

QUEBEC, CANADA

BPR Engineering Inc. (Fédérale)

 

CANADA

BPR France Inc.

 

QUEBEC, CANADA

BPR Groupe-Conseil, S.E.N.C.

 

QUEBEC, CANAD

BPR Inc.

 

QUEBEC, CANADA

BPR-Infrastructure Inc.

 

QUEBEC, CANADA

BPR Technologies Inc.

 

QUEBEC, CANADA

BPR-Triax Inc.

 

QUEBEC, CANADA

CICP Consultores Internacionales, LLC

 

DELAWARE

Clancy Environmental Consultants, Inc.

 

VERMONT

Clear Creek Holdings, LLC

 

DELAWARE

Cosentini Associates, Inc.

 

NEW YORK

DCK-TTEC LLC

 

DELAWARE

Delaney Crushed Stone Products, Inc.

 

NEW YORK

Eagle Summit Management Company, Inc.

 

OHIO

EBA Engineering Consultants Ltd.

 

ALBERTA, CANADA

EWD Consulting Corp.

 

CANADA

Foothills Indemnity, Inc.

 

HAWAII

Fransen Engineering (FE) Ltd.

 

CANADA

Hagler Bailly Pakistan (Private) Limited

 

PAKISTAN

Innogiciel Inc.

 

CANADA

Integrated Justice Systems International, LLC

 

DELAWARE

Inversiones Tetra Tech Chile Holding Limitada

 

CHILE

Inversiones Tetra Tech Chile Acquisition Limitada

 

CHILE

IP3 Afrique, LLC

 

SENEGAL

Kiggiak-EBA Consulting Ltd.

 

CANADA

McWong Tetra Tech LLC

 

DELAWARE

Metálica Consultores S.A.

 

CHILE

Metálica Consultores De Mineraçáo Brasil LTDA

 

BRAZIL

Mideast Construction LLC

 

DELAWARE

Municipal Design Group, LLC

 

GEORGIA

Nehtruh-EBA Consulting Ltd.

 

CANADA

NND EBA Environmental Services Limited Parntership

 

CANADA

Park L Projects Ltd.

 

BRITISH COLUMBIA, CANADA

 



 

Parkland Pipeline Equipment Ltd.

 

ALBERTA, CANADA

Parkland Pipeline Contractors Ltd

 

ALBERTA, CANADA

Parkland Projects Ltd.

 

SASKATCHEWAN, CANADA

PRO-telligent, LLC

 

DELAWARE

PRO-telligent Global Guinea SARL

 

GUINEA

PRO-telligent Global, LLC

 

VIRGINIA

PRO-telligent Global Limited, LLC

 

KENYA

PRO-telligent Global (South) Limited

 

MALAWI

PRO-telligent Global SPRL

 

CONGO

Proteus Engineers Pty Ltd.

 

AUSTRALIA

Rooney Engineering, Inc.

 

COLORADO

Sodat Inc.

 

QUEBEC, CANADA

Taheel Tetra Tech L.L.C.

 

SAUDI ARABIA

Tetra Tech Alaska, L.L.C.

 

ALASKA

Tetra Tech AMT FZ LLC

 

FUJAIRAH, UAE

Tetra Tech ARD, Inc. S. de R.L. de C.V

 

MEXICO

Tetra Tech Argentina S. A.

 

ARGENTINA

Tetra Tech Australia Holding Pty Ltd.

 

AUSTRALIA

Tetra Tech Australia Pty Ltd

 

AUSTRALIA

Tetra Tech BAS, Inc.

 

CALIFORNIA

Tetra Tech (Beijing) Consultancy Company Limited

 

CHINA

Tetra Tech Bioenergy, LLC

 

DELAWARE

Tetra Tech Canada Construction Inc.

 

CANADA

Tetra Tech Canada Construction LP

 

ONTARIO, CANADA

Tetra Tech Canada Construction LP #2

 

NEW BRUNSWICK, CANADA

Tetra Tech Canada Holding Corporation

 

ONTARIO, CANADA

Tetra Tech Cape Canaveral, LLC

 

FLORIDA

Tetra Tech Caribe, Inc.

 

PUERTO RICO

Tetra Tech Colombia SAS

 

COLOMBIA

Tetra Tech Construction, Inc.

 

NEW YORK

Tetra Tech Construction Craft Payroll LLC

 

NEW YORK

Tetra Tech Construction National Payroll LLC

 

DELAWARE

Tetra Tech Construction Oil & Gas Payroll, LLC

 

DELAWARE

Tetra Tech Consultoria Ltda

 

BRAZIL

Tetra Tech Contingency Constructors, LLC

 

DELAWARE

Tetra Tech Cosentini Canada LP

 

ONTARIO, CANADA

Tetra Tech CSO Inc.

 

ONTARIO, CANADA

Tetra Tech do Brasil Minerios e Metais Ltda.

 

BRAZIL

Tetra Tech do Brasil Participacoes Ltda.

 

BRAZIL

Tetra Tech EC, Inc.

 

DELAWARE

Tetra Tech EC (Mass.) Corporation

 

MASSACHUSETTS

Tetra Tech EC (Ohio) Corporation

 

DELAWARE

Tetra Tech EMC, Inc.

 

CALIFORNIA

Tetra Tech ES, Inc.

 

DELAWARE

Tetra Tech ES, Inc. S. de R.L. de C.V

 

MEXICO

Tetra Tech ES India Private Limited.

 

INDIA

Tetra Tech Executive Services, Inc.

 

CALIFORNIA

Tetra Tech Expeditionary Operations, Inc.

 

DELAWARE

 



 

Tetra Tech Facilities Construction, LLC

 

NEW JERSEY

Tetra Tech Holding LLC

 

DELAWARE

Tetra Tech IC, Inc.

 

ALBERTA, CANADA

Tetra Tech IN Inc.

 

QUEBEC, CANADA

Tetra Tech India Limited

 

INDIA

Tetra Tech Industriel Inc.

 

QUEBEC, CANADA

Tetra Tech Industries Africa

 

SOUTH AFRICA

Tetra Tech Industries General Partner Inc.

 

CANADA

Tetra Tech Industries Inc.

 

CANADA

Tetra Tech International, Inc.

 

DELAWARE

Tetra Tech International (BVI) Ltd.

 

BRITISH VIRGIN ISLANDS

Tetra Tech International S.A.C.

 

PERU

Tetra Tech MA, Inc.

 

DELAWARE

Tetra Tech Middle East Ltd.

 

UNITED KINGDOM

Tetra Tech New Martinsville, LLC

 

DELAWARE

Tetra Tech NZ Limited

 

NEW ZEALAND

Tetra Tech QC Inc.

 

QUEBEC, CANADA

Tetra Tech QB Inc.

 

QUEBEC, CANADA

Tetra Tech QE Inc.

 

QUEBEC, CANADA

Tetra Tech QI Inc.

 

QUEBEC, CANADA

Tetra Tech RAC Craft, LLC

 

DELAWARE

Tetra Tech RC, LLC

 

DELAWARE

Tetra Tech Sustentabilidade Serviços De Engenharia Consultiva Ltda.

 

BRAZIL

Tetra Tech Technical Services, Inc.

 

DELAWARE

Tetra Tech Tesoro, Inc.

 

VIRGINIA

Tetra Tech (Tianjin) Consultancy Company Limited

 

CHINA

Tetra Tech WEI Inc.

 

ONTARIO, CANADA

Tetra Tech Wired Communications of California, Inc.

 

CALIFORNIA

Thomas Communications & Technologies, LLC

 

NEW YORK

Thomas Environmental Services, L.L.C.

 

NEW YORK

Topo Planification Inc.

 

QUEBEC, CANADA

TTI Ring Industries Limited

 

JAMAICA

Wardrop (Ghana) Ltd.

 

GHANA

Western Utility Cable, Inc.

 

ILLINOIS

Western Utility Central, Inc.

 

ILLINOIS

Western Utility Contractors, Inc.

 

ILLINOIS

Western Utility Electric, Inc.

 

ILLINOIS

Western Utility LLC

 

DELAWARE

Whalen & Company, Inc.

 

DELAWARE

Whalen Service Corps Inc.

 

DELAWARE

9249-2289 Québec Inc.

 

CANADA