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Tetra Tech is a premier global consulting and engineering firm dedicated to providing innovative solutions for complex challenges in water, environment, sustainable infrastructure, renewable energy, and international development. With a commitment to 'Leading with Science®,' Tetra Tech leverages its extensive expertise and global presence to help clients address critical issues related to climate change, resource management, and sustainable development. The company serves a diverse range of public and private sector clients, offering services from initial concept and planning through design, construction management, and operational support.
The headquarters serves as the central hub for Tetra Tech's global operations, housing executive leadership, corporate strategy, financial oversight, and administrative functions that support its worldwide projects and workforce.
The Pasadena headquarters likely features modern office facilities designed to promote collaboration and innovation, reflecting the company's technical focus. It's strategically located within a prominent technology and engineering corridor.
The work culture at Tetra Tech's headquarters, and company-wide, emphasizes scientific excellence, collaboration, client service, and a commitment to sustainability. It fosters an environment where employees can tackle complex challenges and contribute to meaningful projects.
As the nerve center for a company with projects in over 120 countries and 28,000 associates, the Pasadena headquarters is crucial for coordinating global strategy, ensuring operational excellence, and driving Tetra Tech's mission to create sustainable solutions.
Tetra Tech operates globally, supporting functions across diverse sectors. These include water resources management, environmental assessment and remediation, sustainable infrastructure design (transportation, buildings, energy), renewable energy project development, climate change resilience and adaptation strategies, international development assistance (governance, economic growth, health), and disaster risk reduction and response. Their experts deliver these services in over 120 countries.
3475 East Foothill Boulevard
Pasadena
CA
USA
Address: 1320 N Courthouse Rd, Suite 600, Arlington, VA 22201
Strategically positioned near Washington D.C., the Arlington office facilitates direct engagement with federal agencies and international organizations, enhancing Tetra Tech's ability to deliver impactful projects both domestically and globally.
Address: 3530 11a St NE #100, Calgary, AB T2E 6M7, Canada
Catering to the resource-rich Western Canadian market, this office addresses regional environmental challenges, supports sustainable development in the energy sector, and contributes to infrastructure projects across Alberta and beyond.
Address: Floor 6, The Pithay, Bristol, BS1 2NB, United Kingdom (Note: HQ for Tetra Tech Europe, other UK offices exist like Swindon for specific operations)
Supports Tetra Tech's European presence, focusing on delivering sustainable solutions for complex environmental and infrastructure challenges, aligning with EU and UK regulations and development goals.
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As of April 2025, Tetra Tech' leadership includes:
Tetra Tech has been backed by several prominent investors over the years, including:
Over the past year, Tetra Tech has experienced notable internal leadership progression. A key development was Dr. Jill M. Hudkins' appointment as President of Resilient & Sustainable Infrastructure, succeeding Dr. Leslie Shoemaker, who transitioned to a strategic advisor role. This highlights the company's focus on internal talent development and strategic continuity in key growth areas.
Discover the tools Tetra Tech uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Tetra Tech typically utilizes standard corporate email formats, most commonly combining an employee's first name and last name, or their first initial and last name, with the company domain.
firstname.lastname@tetratech.com (e.g., john.doe@tetratech.com) or firstinitial.lastname@tetratech.com (e.g., j.doe@tetratech.com)
Format
jane.smith@tetratech.com
Example
90%
Success rate
Tetra Tech Investor Relations • May 21, 2024
Tetra Tech, Inc. announced that the U.S. Agency for International Development (USAID) awarded the Company a $49 million, five-year, single-award contract to promote sustainable landscapes and reduce greenhouse gas emissions in Colombia. Through the Sustainable Landscapes and Livelihoods (SLL) activity, Tetra Tech will provide technical services to the Government of Colombia, private sector partners, and local communities to conserve biodiversity, reduce deforestation, and promote sustainable economic growth....more
Tetra Tech Investor Relations • May 7, 2024
Tetra Tech, Inc. announced that the U.S. Agency for International Development (USAID) awarded the Company a $46 million, five-year task order under its Comprehensive Action for Climate Change Initiative (CACCI). Tetra Tech will support USAID in integrating climate change adaptation and mitigation into its strategies, Mission programming, and partner country engagement. This initiative aims to help countries build resilience to climate impacts and pursue lower-emission development pathways....more
Tetra Tech Investor Relations • February 28, 2024
Tetra Tech, Inc. announced its selection by the U.S. Department of Energy (DOE) for a $100 million, multiple-award Indefinite Delivery/Indefinite Quantity (IDIQ) contract to provide nationwide environmental characterization and remediation services. Under this five-year contract, Tetra Tech will support DOE’s Office of Environmental Management in addressing the environmental legacy of nuclear weapons production and government-sponsored nuclear energy research....more
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