Tetra Tech: Detailed Company Information & Corporate Profile

Contact top employees from Tetra Tech

Summary

The business currently specializes in Civil Engineering area. The company has 10000+ employees. Register with SignalHire to connect with Tetra Tech employees and management.

Tetra Tech Websitetetratech.com
Social Links
facebooklinkedIntwitter
Phone Number1(626) 351-4664
Industries
Tetra Tech Headquarters address3475 East Foothill Blvd., Pasadena, CA, 91107 US
Company Size10000+ employees
SpecialtiesWater, Energy, Environment, Infrastructure, International Development, Resource Management, Technology Solutions, High Performance Buildings, Data Analytics, Artificial Intelligence, Asset Management, Design and Engineering, Emergency Management, Disaster Recovery, Laboratory Services, Solid Waste Solutions, Surveying and Mapping
Estimated Annual Revenue$1B - 5B

Competitors

Name
Founded
Type
Employees
1914Public
Company
25 - 100
1879Public
Company
10K - 50K
1923Public
Company
10K - 50K
1919Public
Company
10K - 50K

Estimated Website Traffic

The chart shows a decline in traffic to the tetratech.com website. In June, traffic decreased to 66852, compared to 86814 in the previous month. The highest traffic in 2026 was recorded in February, reaching 140549 visits.

Workforce Turnover

Number of employees switched from or switched to

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Total employee turnover

Departmental sample breakdown

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Turnover activity captured in SignalHire's departmental sample ( employees):

Length of Employment

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Tetra Tech's workforce includes employees across a wide range of tenure levels.

8% have been with the company for 1 to 2 years14% have been with the company for 3 to 4 years19% have been with the company for 5 to 7 years16% have been with the company for 8 to 10 years43% have been with the company for more than 11 years

Former Employees: Role Changes

Role at Former Company
Role at New Company
Contact top employees from Tetra Tech
Purshotam Juriasingani
Purshotam JuriasinganiVice President, Technology Development-Emerging Contaminants
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Daniel Grenier
Daniel GrenierVice President - Energy
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Scott Martin
Scott MartinRegional Manager and Vice President
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Derek Cathro
Derek CathroPresident, Tetra Tech EGI
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Nefi Garza PE
Nefi Garza PEWCS Regional Operations Manager
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Tricia Moore
Tricia MooreNavy CLEAN Deputy Program Manager
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Amanda Hargrave
Amanda HargraveSenior Project Manager - Onshore Renewables
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Chad Farr
Chad FarrSenior Managing Director/Project Manager
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Andy Quan
Andy QuanConstruction Project Manager
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Merrick Jackinsky
Merrick JackinskyResource Efficiency Manager
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Luiz Guilherme Altopiedi
Luiz Guilherme AltopiediEspecialista Ambiental
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Tania Bracetty
Tania BracettyEnvironmental Inspector
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Marilia Gueler
Marilia GuelerEngenheira Trainee
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Luis Gustavo
Luis GustavoTécnico em Geociências II
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Emily Durham
Emily DurhamEnvironmental Scientist
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Tetra Tech Corporate Information: FAQ

Tetra Tech operates in the Building engineering industries. More details can be found on the official website: tetratech.com.
Tetra Tech has offices located in Pasadena, US.
The headquarters of Tetra Tech are located in Pasadena, United States.
You can contact Tetra Tech by phone at 1(626) 351-4664.
Tetra Tech currently employs 10000+ people.
You can contact Tetra Tech by phone at 1(626) 351-4664, by email at charlie.macpherson@tetratech.com, through social media (Facebook, LinkedIn, Twitter), or via the contact form on tetratech.com.
Well-known competitors of Tetra Tech include McCoy Global, Chevron, Ecolab and Halliburton.

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