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Tetra Tech Inc

Parent Company Tetra Tech, Inc.
Contact Jim Wu
(Vice President, Investor Relations)
3475 East Foothill Boulevard, Pasadena, 91107-6024, California, United States
Tel: +1 626-470- 2323
Company Background

Tetra Tech is a leading provider of consulting and engineering services that focuses on addressing fundamental needs for water, environment, infrastructure, resource management, and energy. We begin at the earliest stage of a project, leading with science, identifying technical solutions to problems and developing execution plans tailored to our clients’ needs and resources. Our focus on science and our ability to develop solutions for water management across a wide array of public and private sector needs, has diversified our client base, expanded our geographic reach, and increased our ability to service both existing and emerging markets.

International offices


Global group staff 16500
Global environmental services staff 15500
Global environmental consulting staff 13350
Work Area Details
  • Climate change & energy
  • Contaminated land/remediation
  • EIA & sustainable development
  • Env. liabilities, risks & hazards
  • Env. management & compliance
  • Env./sustainability policy & strategy
  • Waste management/recycling
  • Water quality & resource management

Related articles

10 Sep 2019 Golder appointed for Greenland mineral mine ESIA
30 Aug 2019 Top US enviro firms surge to growth, reports ENR
21 Aug 2019 Tetra Tech wins $132m in superfund contracts
10 Jul 2019 Tetra Tech completes on WYG
4 Jun 2019 Tetra Tech reports H1 and $25m river restoration win
20 May 2019 Tetra Tech to acquire UK’s WYG
6 Mar 2019 Tetra Tech wins $51m superfund contract
13 Nov 2018 Federal and state spending fuels Tetra Tech growth
18 Sep 2018 Political confusion hampers ENR’s Top 200 US enviro firms
5 Jun 2018 Tetra Tech steps up STEM programmes
10 May 2018 Tetra Tech posts ‘highest ever’ H1 results
31 Jan 2018 Digital innovation top of agenda for Global 23
23 Jan 2018 US firms on acquisition trail
11 Jan 2018 Strengthening recovery for global environmental consulting market
8 Dec 2017 Tetra Tech acquires M+EG Consulting
16 Nov 2017 Water and environment key to Tetra Tech’s record FY17
18 Oct 2017 Tetra Tech wins USAID contract to support clean energy in Central Asia
11 Oct 2017 Tetra Tech strengthens sustainable infrastructure capabilities
22 Sep 2017 ENR’s US top 200 hold steady in uncertain times
26 May 2017 Big data and the age of analytics - according to Tetra Tech
18 May 2017 CEO of RPS to retire, successor announced
5 May 2017 Global mega trends in environmental consulting 2017
20 Mar 2017 Trump takes wrecking ball to EPA
1 Mar 2017 Coffey/Tetra Tech acquires Australian enviro consultancy ELA
1 Dec 2016 Quoted environment & infrastructure players feel Trump effect
24 Nov 2016 Tetra Tech sees record Q4 including 7% organic growth
27 Oct 2016 Consultants on $400m US Army remediation framework
3 May 2016 Coffey helps Tetra Tech to 4% growth in H1
30 Mar 2016 Tetra Tech assists EPA’s Green Infrastructure Program
29 Jan 2016 US market still growing, says EBI
28 Jan 2016 Tetra Tech’s closes Coffey acquisition
21 Jan 2016 Country Insight: riding the Brazilian roller coaster (part I)
26 Nov 2015 Tetra Tech looks to Coffey to revive international business
4 Nov 2015 Tetra Tech wins Anacostia River remediation contract
19 Oct 2015 Tetra Tech to acquire Coffey
6 May 2015 Tetra Tech acquires Cornerstone Environmental
28 Apr 2015 Tetra Tech appointed to Washington DC river restoration
1 Apr 2015 Tetra Tech awarded EPA and USACE contracts
28 Jan 2015 Tetra Tech secures $185m remediation contract
26 Nov 2014 Tetra Tech impeded by softness in US gov't and mining sectors
21 Oct 2014 Tetra Tech secures $76m Superfund contract
30 Sep 2014 Tetra Tech appointed to serve US federal agencies
11 Sep 2014 Tetra Tech to assist EPA in minimising water contamination risk
12 Aug 2014 Tetra Tech develops New Jersey hazard plan
7 Jul 2014 Ten consultancies appointed by US National Guard
5 Jun 2014 Market Insight: global trends in environmental consulting
18 Feb 2014 Tetra Tech wins USAID natural resources management contract
20 Jan 2014 Tetra Tech provides environmental assistance for Brazilian power plant
9 Jan 2014 Tetra Tech helps clean up Canadian oil spill
19 Dec 2013 US consultancy market growth slows
22 Nov 2013 Tetra Tech posts stable FY 2013 net revenue
13 Nov 2013 US Coast Guard selects framework consultancies
30 Sep 2013 Tetra Tech wins $48m EPA Superfund support contract
16 Jul 2013 Tetra Tech reappointed to US DoD, EPA remediation contracts
19 Jun 2013 Tetra Tech wins mining remediation contract in Nevada
7 May 2013 Tetra Tech reports strong demand from private sector for enviro services in H1
22 Apr 2013 Tetra Tech wins $18m US air base cleanup contract
6 Feb 2013 AECOM, Tetra Tech awarded USAID clean energy contract
6 Feb 2013 Tetra Tech supports USAID in East Africa
9 Jan 2013 Tetra Tech extends enviro capabilities with North American M&A
23 Nov 2012 Global enviro consultancy market grows 4% to $26.5bn
23 Nov 2012 Tetra Tech driven by international business in FY2012
18 Oct 2012 Tetra Tech buys Brazilian oceanographic consultancy
25 Sep 2012 Tetra Tech wins $24m brownfields revitalisation contract
4 Jul 2012 Tetra Tech, Geosyntec, Jacobs win $91m NASA contracts
13 Jun 2012 Tetra Tech wins Liberian forest management contract
8 Feb 2012 Tetra Tech reports 12% revenue increase
25 Jan 2012 3.6% growth in 2011 for US EC & engineering firms
19 Dec 2011 Tetra Tech announces major enviro contract wins
13 Sep 2011 Tetra Tech awarded Mexico low-carbon development project
7 Jul 2011 “Acceleration” in North American enviro M&A
14 Dec 2010 USAID $40m contract to protect Indonesian tropical forest awarded to Tetra Tech
14 Oct 2010 Tetra Tech buys Quebec consultancy
18 May 2010 Tetra Tech wins $50m remediation contract from US army
18 Mar 2010 US analysts report surge in consulting/engineering M&A