Tetra Tech, Inc. provides consulting and engineering services worldwide. The company operates through two segments Government Services Group (GSG) and Commercial/International Services Group (CIG). The GSG segment offers early data collection and monitoring, data analysis and information management, science and engineering applied research, engineering design, project management, and operations and maintenance services; and climate change and energy management consulting, as well as greenhouse gas inventory assessment, certification, reduction, and management services. This segment serves federal, state, and local governments, and development agencies in water resources analysis and water management, environmental monitoring, data analytics, government consulting, waste management, and a range of civil infrastructure master planning and engineering design markets. The CIG segment provides early data collection and monitoring, data analysis and information management, feasibility studies and assessments, science and engineering applied research, engineering design, project management, and operations and maintenance services. This segment serves natural resources, energy, and utilities markets, as well as sustainable infrastructure master planning and engineering design markets. Tetra Tech, Inc. was founded in 1966 and is headquartered in Pasadena, California.

Tetra Tech, Inc.

Tetra Tech is a global provider of consulting and engineering services, focused on improving quality of life through science, technology, and innovation. The company aims to create sustainable and resilient communities while addressing challenges such as climate change and resource management.

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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. 

Tetra Tech est un chef de file mondial dans les domaines des services de consultation, des services de l’ingénierie et des services techniques. Grâce à nos solutions novatrices et durables, nous aidons nos clients à composer avec leurs besoins en gestion des eaux, en environnement, en infrastructures, en gestion des ressources, en énergie et en développement international. À travers nos 27 000 associés des quatre coins du monde, Tetra Tech propose des solutions optimales aux problèmes les plus complexes. 

Congratulations to Kathy Cox-Czosnyka, P.E., who was named ACEC Washington Engineer of the Year at ACEC Washington's Engineering Excellence Awards! Kathy’s remarkable career in engineering, combined with her unwavering dedication to service, leadership, and innovation, exemplifies excellence in the field. 

As a vice president at Tetra Tech, Kathy leads operations, manages risk, and oversees various teams and projects in #waterresources, #environmental, and #infrastructure design. Her leadership has been instrumental in driving critical infrastructure transformation in the Pacific Northwest, and she continues to advocate passionately for the engineering profession through her work with ACEC. #ACEC #ACECWashington #Engineer

On International Day of Women and Girls in Science, Tetra Tech celebrates the women in #STEM who are #LeadingWithScience to drive sustainability and provide innovative solutions.   

At Tetra Tech, we are committed to bringing everyone forward to achieve gender equality and empower women and girls as leaders in their fields.   

Here’s how our employees are supporting women and girls in science and in leadership: 

Emily Olson, Director of Sustainability & ESG, part of our global team of sustainability experts, said, “Championing women and girls in science leadership is vital for sustainability. Diverse perspectives foster innovation, equitable solutions, and a balanced approach to addressing global challenges.” 

Michael Bomar, Vice President & One Water Growth Initiative Co-Lead, shares, "As a 22-year Tetra Tech employee and the father of three girls, I appreciate the importance Tetra Tech places on women in science developing sustainable One Water solutions for clean, safe, and reliable water around the globe." 

Nicole Isle, Chief Sustainability Strategist, High Performance Buildings Goup, tells us, “My foundation in science and systems thinking propelled me forward to imagine my career today. I truly believe women and girls can achieve anything they set their minds to.” 

Llyr Rowlands, Unit President, said, “Our best hope for achieving a just energy transition will come from a world in which women and girls are equal partners, trailblazing leaders, and groundbreaking scientists.” 

Erica Alvarado, Director, Air Quality and Transportation, based in California, said, “With many pressing climate and sustainability issues, it’s more important than ever for women and girls in science leadership roles to apply their knowledge to promote a sustainable future.” 

Leslie Shoemaker, Chief Sustainability and Leadership Development Officer, shares, “Women at Tetra Tech are discovering innovative solutions every day and advancing Tetra Tech's commitment to a sustainable future.” 

#WomenInScience #WomenInSTEM 

Wishing all of our clients, colleagues, and community a happy Lunar New Year! May the Year of the Dragon bring you happiness, good health, and prosperity!  

#LunarNewYear is one of the most important celebrations of the year among East and Southeast Asian cultures. It is a time that brings people together to celebrate the start of a new lunar year with hopes of good luck, good health, and prosperity for the future.  

Our ASCEND Employee Resource Group (ERG) is a platform for Asian employees and allies across the company to discuss and share ideas on topics such as fostering relationships, mentoring, promoting professional development, and raising cultural awareness. 

Learn more about our Employee Resource Groups: https://hubs.la/Q02kB8mD0.

#YearOfTheDragon 

Photo from the Field: Our field biologist investigated potential signs of Washington ground squirrels in a vibrant field of larkspurs in Washington.

Tetra Tech’s Jan Road Levee Setback project received the American Council of Engineering Companies (ACEC) Washington State Silver Award for Future Value to the Engineering Profession at ACEC Washington's Engineering Excellence Awards. 

Congratulations to our outstanding project manager Jerry Scheller and our valued client partner King County Water and Land Resources Division on this well-deserved recognition. #LeadingWithScience #RiverRestoration

COM:TETRATECH