The following companies are subsidiares of Tetra Tech: 646696 NB Inc, 646756 NB Inc., AEG West Inc., ARD Inc., Advanced Management Technology, Advanced Management Technology Inc., American Environmental Group, American Environmental Group Ltd., America’s Schoolhouse Consulting Services Inc., Ardaman & Associates Inc., BFP Consultants Pty Ltd, BIOCNG LLC, BPR, BPR Inc., BPR-Infrastructure Inc., BPR-Triax Inc., BPR-Énergie Inc., Baha Communications, BlueWater Federal Solutions, Bovell Freeman Holley (Pty) Ltd, BridgeNet International Inc, CICP Consultores Internacionales LLC, Caber Engineering, Carson Group (AKL) Limited, Carson Group Limited, Clifton Coney Group (NZ) Limited, Coanda Research & Development Corporation, Coffey (Malaysia) SDN BHD, Coffey Afghanistan LLC, Coffey Afghanistan Pty Ltd, Coffey Africas Holdings Pty Ltd, Coffey Americas Holdings Pty Ltd, Coffey Asia Limited, Coffey Australia Holdings Pty Ltd, Coffey Consultoria Servicios SpA, Coffey Consultoria e Servicos Ltda, Coffey Corporate Pty Ltd, Coffey Environments Australia Pty Ltd, Coffey Environments Pty Ltd, Coffey Europe ME Holdings Pty Ltd, Coffey Geotechnics Limited, Coffey Geotechnics Pty Ltd, Coffey Holding SDN BHD, Coffey International, Coffey International (Africa) (Pty) Ltd, Coffey International Development (Middle East) Pty Ltd, Coffey International Development Holdings Limited, Coffey International Development Limited, Coffey International Development Pty Ltd, Coffey International Inc., Coffey International Incorporated, Coffey International Limited, Coffey International NZ Limited, Coffey LPM Pty Ltd, Coffey Mining Pty Ltd, Coffey Myanmar Limited, Coffey Natural Systems Pty Ltd, Coffey Nigeria Ltd, Coffey Philippines Inc, Coffey Projects (Africa) (Pty) Ltd, Coffey Projects (Australia) Pty Ltd, Coffey Projects (International) Ltd, Coffey Projects (Middle East) Ltd, Coffey Projects (New Zealand) Limited, Coffey Services (NZ) Limited, Coffey Services Australia Pty Ltd, Coffey Services No 2 Pty Ltd, Coffey Services PNG Limited, Coffey Testing Pty Ltd, Coffey Thailand Limited, Coffey UK Limited, Cornerstone Environmental Group, Cornerstone Environmental Group LLC, Cosentini Associates Inc., D.E.A. Construction, DASCEM Pty Ltd, DCK-TTEC LLC, Delaney Crushed Stone Products Inc., Development Company for Technical & Environmental Consultancy LLC, Duncan Rhodes Construction Management (Pty) Ltd, Duncan Rhodes Procurement (Pty) Ltd, EBA Engineering Consultants, Engineering Management Concepts, Farsands Risk Management Pty Ltd, Farsands Solutions Pty Ltd, Foothills Indemnity Inc., Fransen Engineering, Fundacion MSI Colombia, Geosciences Consulting (ME) Pty Ltd, Global Justice Solutions Pty Ltd, Gore Engineering, Hagler Bailly Pakistan (Private) Limited, Hoare Lea, Hydro-Ops LLC, INDUS Corporation, INDUS ESS LLC, INDUS Enterprise Solutions Inc., INDUS Secure Network Solutions LLC, IP3 Afrique LLC, IT Environmental (Australia) Pty Ltd, Innogiciel Inc., Integrated Justice Systems International LLC, Inversiones Tetra Tech Chile Acquisition Limitada, Inversiones Tetra Tech Chile Holding Limitada, KIFAYATE (SARLAU), Kiggiak-EBA Consulting Ltd., MACSIS Pty Ltd, MSI Egypt LLC, MSI Pakistan (Private) Limited, MSI for the development of competencies and management consultancy Ltd., Management Systems International Georgia, Management Systems International Inc., Management Systems International Iraq, Management Systems International Maroc S.A.R.L., McCulley Frick & Gilman, Metálica Consultores S.A., Mideast Construction LLC, Murphy Engineering Group, NDY Group, NELPCO Limited Partnership, NND EBA Land Protection Corp., Nehtruh-EBA Consulting Ltd., Northern Ecological Associates, PRO-telligent, PRO-telligent Global (South) Limited, PRO-telligent Global LLC, PRO-telligent Global Limited LLC, PRO-telligent LLC, Park L Projects Ltd., Parkland Pipeline, Parkland Pipeline Contractors Ltd., Parkland Pipeline Equipment Ltd., Parkland Projects Ltd., Proteus EPCM Engineers, Proteus Engineers Pty Ltd., Rooney Engineering, Rooney Engineering Inc., SCM Consultants, Secure Networx LLC, Sentrex Communications, Shepherd Miller, Sodat Inc., Soil Testing Engineers, TTI Ring Industries Limited, Taheel Tetra Tech L.L.C., Tetra Tech (Beijing) Consultancy Company Limited, Tetra Tech AMT FZ LLC, Tetra Tech ARD, Tetra Tech ARD Inc. S. de R.L. de C.V, Tetra Tech Alaska L.L.C., Tetra Tech Argentina S. A., Tetra Tech Australia Holding Pty Ltd., Tetra Tech Australia Pty Ltd, Tetra Tech BAS Inc., Tetra Tech CES LLC, Tetra Tech Canada Construction Inc., Tetra Tech Canada Construction LP, Tetra Tech Canada Holding Corporation, Tetra Tech Canada Inc., Tetra Tech Cape Canaveral LLC, Tetra Tech Coffey Holding LLC, Tetra Tech Coffey Holding Pty Limited, Tetra Tech Colombia SAS, Tetra Tech Construction Craft Payroll LLC, Tetra Tech Construction Inc., Tetra Tech Construction National Payroll LLC, Tetra Tech Construction Oil & Gas Payroll LLC, Tetra Tech Consultoria Ltda, Tetra Tech Contingency Constructors LLC, Tetra Tech EBA Inc., Tetra Tech EC, Tetra Tech EC Inc., Tetra Tech EMC Inc., Tetra Tech ES Inc., Tetra Tech ES Inc. S. de R.L. de C.V, Tetra Tech ES India Private Limited., Tetra Tech EU B.V., Tetra Tech Executive Services Inc., Tetra Tech Expeditionary Operations Inc., Tetra Tech Facilities Construction LLC, Tetra Tech GEO, Tetra Tech Holding LLC, Tetra Tech IC Inc., Tetra Tech IN Inc., Tetra Tech India Limited, Tetra Tech Industries Africa (pty) Ltd., Tetra Tech Industries General Partner Inc., Tetra Tech International Inc., Tetra Tech International S.A.C., Tetra Tech MA Inc., Tetra Tech Management Consultancy LLC, Tetra Tech NZ Limited, Tetra Tech New Martinsville LLC, Tetra Tech OGD Inc., Tetra Tech QC Inc., Tetra Tech QE Inc., Tetra Tech QI Inc., Tetra Tech RAC Craft LLC, Tetra Tech Sustentabilidade Serviços De Engenharia Consultiva Ltda., Tetra Tech TAS Inc., Tetra Tech Technical Services Inc., Tetra Tech Tesoro Inc., Tetra Tech Utility Construction Inc., Tetra Tech WEI, Tetra Tech WEI Inc., Tetra Tech do Brasil Minerios e Metais Ltda., Tetra Tech do Brasil Participacoes Ltda., The Delaney Group, The Kaizen Company, Vector Colorado, Vector Nevada, WYG Group, Wardrop (Ghana) Ltd., Western Utility Cable Inc., Western Utility Central Inc., Western Utility Contractors Inc., Western Utility Electric Inc., Western Utility LLC, Whalen & Co. Inc., Whalen & Company Inc., Whalen Service Corps Inc., eGlobalTech, and eXpert Wireless Solutions.
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