Tetra Tech is working in more than 50 countries in every major region of the world, providing state-of-the-art technology and institutional solutions to address our customers’ most complex water, environmental, energy, infrastructure, and resource management challenges. With 400 offices worldwide and a network of 16,000 staff, we offer the power of a multibillion dollar company with the speed of a 20-person office.

Africa

Fragile political environments, volatile labor markets, and economic and regulatory uncertainty are just a few of the challenges of working in Africa. Tetra Tech’s long and diverse work history across the continent assures our clients of a strong partner with unique insight to provide stable operations and successful project delivery.

Asia

For more than 20 years, Tetra Tech has provided premier consulting engineering and technical services to support sustainable development throughout Asia. We offer comprehensive services for public-sector and commercial clients throughout Asia from our offices in China, India, Indonesia, Japan, South Korea, Philippines, and Thailand.

Australia and New Zealand

Tetra Tech is a leading provider of engineering services to Australia’s water, resource management, and energy sectors. Our capabilities cover all phases of a project's life cycle, including engineering, procurement, and construction management expertise for industrial mining, chemical and minerals processing, and energy.

Canada

With almost 50 years of experience in the provinces and territories, Tetra Tech has unique capabilities in Canada’s water, environmental, energy, infrastructure, mining, and industrial sectors. Our innovations and specialized services span major cities such as Vancouver and Montreal, as well as the remote and extreme environments of the Yukon and Northern Territories.

Circumpolar

As pioneers in engineering, sciences, and construction consulting services in the circumpolar region, Tetra Tech has a proven reputation for successful development in arctic conditions. Tetra Tech maintains strong relationships, local presence, and aboriginal partnerships in northern Canada and Alaska to support our public and commercial clients.

Europe and Eurasia

From the arctic region of Greenland to Italy’s Mediterranean shores, and as far east as Azerbaijan, Tetra Tech has the local presence, regulatory and cultural understanding, and experts to provide responsive, full-service engineering and environmental support throughout the region.

Latin America and Caribbean

For more than 25 years, Tetra Tech has been actively engaged in diverse government and commercial projects in the Latin American and Caribbean region. Our work includes the water and sanitation, agriculture and economic growth, environment and sustainability services, energy, and mining sectors.

Middle East

Tetra Tech has provided development technical assistance, planning, and engineering support in some of the Middle East’s most austere environments for more than 25 years. Our international experts have a profound understanding of the region, along with an impressive track record of program management and project delivery on behalf of government and commercial clients.

United States

Founded in Pasadena, California, in 1966, Tetra Tech has grown its presence in the United States to more than 250 offices throughout the country. We support our federal, state, municipal, and private sector clients with full planning and engineering services in the water, environment, infrastructure, resource management, and energy sectors.