What departments does Tetra Tech, Inc. have?

Tetra Tech, Inc. has employees across 12 departments including Operations, Human Resources, Program & Project Management, Finance, Engineering.

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

The largest department at Tetra Tech, Inc. is Program & Project Management with 15 employees.

Where are Tetra Tech, Inc. employees located globally?

Tetra Tech, Inc. has employees across 6 continents and 23 countries including Egypt, Mali, Mozambique, Ghana, Zambia.

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 is a leading, global provider of consulting and engineering services. We are differentiated by Leading with Science® to provide innovative technical solutions to our clients. We support global commercial and government clients focused on water, environment, sustainable infrastructure, renewable energy, and international development. With 27,000 associates worldwide, Tetra Tech provides clear solutions to complex problems.

Find Tetra Tech, Inc. employees' phone numbers or email addresses

Tetra Tech, Inc. Global Highlights

North America
145

United States Of America
123
Canada
21
Mexico
1

Africa
12

Egypt
4
Ghana
3
Mali
1
Mozambique
1
Zambia
1
Nigeria
1
Tanzania
1

Asia
12

Cambodia
3
India
3
Pakistan
1
Jordan
1
Sri Lanka
1
Timor-leste
1
Lao People's Democratic Republic
1
Afghanistan
1

Europe
4

United Kingdom Of Great Britain And Northern Ireland
3
Ukraine
1

South America
4

Colombia
4

Oceania
2

Solomon Islands
1
Fiji
1

Tetra Tech, Inc.'s Leadership

D. P.
Vice President - Special Projects
Mobile Phone
Email
S. R.
Operating Unit President/Program Manager
Mobile Phone
Email
J. R.
Vice President, Human Resources - Operations
Mobile Phone
Email
D. S.
Vice President
Mobile Phone
Email
J. A.
Svp
Mobile Phone
Email
M. P.
Senior Vice President
Mobile Phone
Email
J. C.
Senior Program Director - Energy & Natural Resources
Mobile Phone
Email
L. A.
Technical Director - Usaid Alternatives To Charcoal
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 Info

Location

Last Update

L. A. G.
Senior Environmental Engineer
Mobile Phone
Email
United StatesFlorida
Jan 27, 2026
L. A. D.
Senior Project Environmental Engineer
Mobile Phone
Email
United StatesColorado
Apr 13, 2026
K. B.
Sr. Operations Administrator
Mobile Phone
Email
United StatesMassachusetts
Feb 17, 2026
K. D.
Sr Engineer
Mobile Phone
Email
CanadaOntario
Feb 25, 2025
M. G.
Senior Administrative Coordinator
Mobile Phone
Email
United States
Feb 17, 2026
A. M.
Recruiting And Onboarding Administrator
Mobile Phone
Email
United StatesTexas
Aug 08, 2025
A. A.
Business Development Advisor
Mobile Phone
Email
United Kingdom
Sep 11, 2025
A. K.
Engineer Iii
Mobile Phone
Email
CanadaOntario
Aug 12, 2025
S. F.
Public Assistance Consultant
Mobile Phone
Email
Oct 25, 2025
K. A.
Civil/Water Resources Engineer
Mobile Phone
Email
United StatesUtah
Mar 25, 2026

Frequently Asked Questions

What is Tetra Tech, Inc. known for?

Tetra Tech, Inc. was founded in 1977 operates in the Operations Consulting industry. The company's main headquarters is located in 159 Bank Street Burlington, Vermont 05401 United States. 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 . 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 February 2026. These team members are located across 6 continents, including North AmericaAfricaAsia.

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

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

Vice President - Special Projects: D. P.
Operating Unit President/Program Manager: S. R.
Vice President, Human Resources - Operations: J. R.
Vice President: D. S.
Svp: J. A.

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