What is the company's mission?

The company's mission is to improve the quality of life for people around the world through science, technology, and innovation.

What are the company's core services?

The company's core services include one water, environment, energy, high-performance buildings, international development, climate services, biodiversity, disaster and emergency management, and federal IT.

Does the company have a focus on sustainability?

Yes, the company has a strong focus on sustainability and incorporates it into its corporate governance and operations.

Where does the company operate?

The company operates globally, with a presence in various locations, including government contracts, business partners, and suppliers.

What is the company's approach to innovation?

The company is leading with science to solve its clients' most complex problems, using innovative solutions and advanced analytical tools such as FusionMap to develop comprehensive solutions.

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Voyager DBDeep data on millions of local businesses, with verified decision-makers to reveal.Contact ResearchHand-built prospect lists from human researchers, delivered in 24 hours.People SearchFind owners and decision-makers by job title, seniority and department.Chrome ExtensionColdlytics in your browser - prospect any business as you browse the web.IntegrationsInstantly, Smartlead, lemlist, Clay, HighLevel, plus Claude and ChatGPT over MCP.

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Tetra Tech

$1.0B revenue • 5,000 employees • 3475 East Foothill Boulevard, Pasadena, CA, 91107-6024, United States

Last Updated Oct 15, 2026

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Company Overview

Company Name

Tetra Tech

Address

3475 East Foothill Boulevard, Pasadena, CA, 91107-6024, United States

Website

tetratech.com

Phone

(626) 351-4664

Approx. Annual Revenue

$1000.0M

Employees

5,000

Established

1995

Locations

139

About Tetra Tech

Tetra Tech is a global engineering and consulting firm headquartered in San Jose, California, United States. The company focuses on improving the quality of life for people worldwide through science, technology, and innovation. Tetra Tech provides a range of services, including water management, energy solutions, high-performance buildings, international development, and disaster management, among others.

Business Profile

Read from the Tetra Tech website on Oct 12, 2026. Hover an item to see the exact wording it came from.

About the website

Website quality (AI-assessed): 7/10 · Current copyright 2026; Complete navigation and content

Tetra Tech locations

139 Google Business Profile listings, showing 30.

Location	Google category	Reviews	Status
3475 East Foothill Boulevard, Pasadena, CAprimary	—	—	Claimed
2608 W 84th St, Hialeah, FL	—	—	Claimed
107 St Francis St #2370, Mobile, AL	—	—	Claimed
7608 La Barrington Blvd, Powell, TN	—	—	Claimed
425 W Water St Unit 1, Ste. 200, Appleton, WI	—	—	Claimed
630 Riverfront Dr #100, Sheboygan, WI	—	—	Claimed
4600 SE 29th St Ste. 530, Del City, OK	Engineering consultant	—	Claimed
5 Industrial Way #2b, Salem, NH	Engineering consultant	—	Claimed
13555 Bishops Ct Ste 201, Brookfield, WI	—	—	Claimed
1811 Executive Dr r, Indianapolis, IN	—	—	Claimed
3136 S Winton Rd Suite 303, Rochester, NY	Engineering consultant	—	Claimed
152 N 3rd St #201, San Jose, CA	—	—	Claimed
301 Ellicott St, Buffalo, NY	—	—	Claimed
2000 Linglestown Rd #203, Harrisburg, PA	Engineering consultant	—	Claimed
2190 Reserve Park Trce Units 7, 8 & 9, Port St. Lucie, FL	Engineering consultant	—	Claimed
1525 Centennial Blvd, Bartow, FL	Engineering consultant	—	Claimed
1300 N Cocoa Blvd, Cocoa, FL	Engineering consultant	—	Claimed
1100 McCaslin Blvd #150, Superior, CO	—	—	Claimed
851 Bridger Dr Ste. 4, Bozeman, MT	—	—	Claimed
32 20th St Ste. 101, Wheeling, WV	—	—	Claimed
47443 National Rd W, St Clairsville, OH	Engineering consultant	—	Claimed
737 Bishop St Ste 2000, Honolulu, HI	—	—	Claimed
55 Village Square Dr Bldg. 24, 2nd Flr, South Kingstown, RI	—	—	Claimed
1617 E Milham Ave B, Portage, MI	—	—	Claimed
20 Cabot Blvd Ste. 305, Mansfield, MA	Engineering consultant	—	Claimed
938 S Hwy Dr, Fenton, MO	—	—	Claimed
5383 Hollister Ave #130, Santa Barbara, CA	—	—	Claimed
360 Bay St, Augusta, GA	—	—	Claimed
Cotton Exchange Building, 65 Union Ave #340, Memphis, TN	—	—	Claimed
8040 Excelsior Dr Ste 305, Madison, WI	—	—	Claimed

Engineering Companies near Pasadena, CA

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Frequently Asked Questions about Tetra Tech

Technologies Used

Social Profiles

Key Decision Makers

Stuart Fowler President of NDY

Firouz Rooyani Senior Vice President

Sam Khalilieh National Director for Advanced Manufacturing and Mission Critical Facilities

Jonathan Weiss President, Commercial/International Services Group (CIG)

Roger Argus Chief Executive Officer and President

Dan Batrack Executive Chairman

Kevin Terry Vice President of Operations

Craig Hatch President of Europe and UK Division

Kev Thomas Technical Director

Ed Ionata Senior Vice President