What departments does Tetra Tech, Inc. have?

Tetra Tech, Inc. has employees across 4 departments including Operations, Finance, Administrative, Engineering.

What is the largest department at Tetra Tech, Inc.?

The largest department at Tetra Tech, Inc. is Administrative with 3 employees.

Where are Tetra Tech, Inc. employees located globally?

Tetra Tech, Inc. has employees across 5 continents and 15 countries including Tanzania, Zambia, Egypt, Mali, Cambodia.

How has Tetra Tech, Inc.'s team size changed over time?

Tetra Tech, Inc.'s team has decreased from approximately 158 to 53 employees based on available data.

Tetra Tech, Inc. Employee Directory

Operations ConsultingVermont, United States51-200 Employees

Tetra Tech, Inc. is a global provider of consulting and engineering services focused on water, environment, sustainable infrastructure, renewable energy, and international development. The firm emphasizes scientific approaches to deliver technical solutions for complex client challenges, serving both commercial and government sectors. Its breadth includes project work across water resources, environmental management, and infrastructure development, with a stated emphasis on clear, effective outcomes. Based in Burlington, Vermont, the company operates with a substantial international presence and a large, diverse workforce. In early 2026, the organization announced the appointment of a new chief executive officer and continued engagement with public and private clients through various projects, including environmental and infrastructure services for ports, utilities, and hydroelectric facilities.

Tetra Tech, Inc. Global Highlights

North America
87

United States Of America
76
Canada
10
Mexico
1

Asia
8

Cambodia
2
India
2
Afghanistan
1
Lao People's Democratic Republic
1
Sri Lanka
1
Timor-leste
1

Africa
5

Egypt
2
Tanzania
1
Zambia
1
Mali
1

South America
4

Colombia
4

Oceania
1

Fiji
1

Tetra Tech, Inc.'s Leadership

S. Z.
Deputy Chief Of Party - Operations
Mobile Phone
Email
L. A.
Technical Director - Usaid Alternatives To Charcoal
Mobile Phone
Email
D. C.
Director Of Finance And Administration
Mobile Phone
Email
B. K.
Manager Administration
Mobile Phone
Email
K. D.
Sr Engineer
Mobile Phone
Email
Y. B.
Coordinateur De Planification Et De Gestion
Mobile Phone
Email
A. N.
Field Office Administrative Assistant
Mobile Phone
Email
A. V.
Chef D’équipe
Mobile Phone
Email

Tetra Tech, Inc. Employee Metrics

100%

50%

0%

2026

2025

Administrative
Program & Project Management
Business Development
Civil Engineering & Construction
Banking
Other
Consultant
Purchasing
Biotechnology
Community & Social Services

Contact profiles from Tetra Tech, Inc.

Name

Title

Contact

Location

Last Update

S. Z.
Deputy Chief Of Party - Operations
Mobile Phone
Email
Mexico, Mexico City
Jul 07, 2024
L. A.
Technical Director - Usaid Alternatives To Charcoal
Mobile Phone
Email
Aug 12, 2025
D. C.
Director Of Finance And Administration
Mobile Phone
Email
Cambodia
Sep 12, 2025
B. K.
Manager Administration
Mobile Phone
Email
India, Delhi
Jun 10, 2025
K. D.
Sr Engineer
Mobile Phone
Email
Canada, Ontario
Feb 25, 2025
Y. B.
Coordinateur De Planification Et De Gestion
Mobile Phone
Email
Mali, Bamako
Nov 12, 2025
A. N.
Field Office Administrative Assistant
Mobile Phone
Email
Zambia
Nov 18, 2025
A. V.
Chef D’équipe
Mobile Phone
Email
Canada, Quebec
Jun 01, 2026
O. L. M.
Analista De Recursos Humanos
Mobile Phone
Email
Colombia
Aug 09, 2025
M. B.
Geologist
Mobile Phone
Email
Aug 04, 2026

Frequently Asked Questions

What is Tetra Tech, Inc. known for?

Tetra Tech, Inc. was founded in 1977 and operates in the Operations Consulting industry. Explore Tetra Tech, Inc.'s company overview page for more information.

What is Tetra Tech, Inc.'s most common email format?

Tetra Tech, Inc. employees' email format typically follows the pattern of First.Last@tetratech.com. Trying to find reliable and up-to-date employee contact data? Find more Tetra Tech, Inc. email formats with LeadIQ.

How many employees does Tetra Tech, Inc. have currently?

Tetra Tech, Inc. has approximately 178 employees as of July 2026. These team members are located across 5 continents, including North America, Asia and Africa.

Who are Tetra Tech, Inc.'s key employees and leadership?

As of July 2026, Tetra Tech, Inc.'s key employees include:

Deputy Chief Of Party - Operations: S. Z.
Technical Director - Usaid Alternatives To Charcoal: L. A.
Director Of Finance And Administration: D. C.
Manager Administration: B. K.
Sr Engineer: K. D.

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Tetra Tech, Inc. Employee Directory

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