In February 2021 Tetra Tech acquired Coanda Research and Development Corporation, a Canadian engineering consulting company specializing in computational fluid dynamics, physical and predictive modeling, data analytics, process engineering, analytical chemistry, and instrument development.In July 2019 Tetra Tech acquired UK-based engineering firm WYG, expanding Tetra Tech’s geographic presence and advancing Tetra Tech’s strategy to be a premier global high-end consulting, engineering, and program management firm.Ģ021 brought about acquisitions across a number of countries and industries:

In the same month, Norman Disney & Young was purchased.

In January 2018 Tetra Tech acquired an aviation technology solutions firm that expands Tetra Tech's aerospace data analytics, environmental and acoustic consulting, and 3-dimensional airspace visualization capabilities for federal and commercial aviation customers. Tetra Tech acquired two sustainable infrastructure companies in 20 with reach across the western United States, Australia, the Asia-Pacific region, the United Kingdom, and Canada. īeginning in 2017 Tetra Tech expanded its sustainable infrastructure design practice. Tetra Tech also celebrated 25 years as a publicly traded company on the Nasdaq exchange in December 2016. Tetra Tech donated $50,000 to 6 projects around the world that provided clean, safe water for communities in need. As part of the Company's anniversary it launched the Global Clean Water Fund grant program in partnership with Engineers Without Borders. In 2016 Tetra Tech commemorated its 50th anniversary. In October 2015, Coffey International was purchased. These new acquisitions focused on implementing sustainable strategies for water, energy, and the environment in Africa, Asia, and South America and facilitating stability and growth in countries in the aftermath of social conflicts or failed governing institutions. Tetra Tech also acquired firms that provided international development services to the United States Agency for International Development. The remainder of the decade to 2014 involved growth by acquiring firms in Canada, Australia, and South America in its core (water and infrastructure) and new markets (mining and energy). Hwang retired, and Dan Batrack, who joined Tetra Tech in the early 1980s, became CEO. There was also a transition in executive leadership. ĭuring the early 2000s, the company's environmental remediation and water services continued to grow. Gross revenues totaled $96.5 million by 1994. The cash infusion permitted more acquisitions of engineering firms specializing in water resources (urban drainage and flood control), civil engineering (bridges and waterway design), environmental restoration, and hazardous waste cleanup. In 1991 Tetra Tech issued 1.4 million shares of stock on the Nasdaq exchange. Since its split from Honeywell, the company has grown from 300 employees to more than 13,000. Honeywell retained the data systems division and a Tetra Tech co-founder to head it. Li-San Hwang, who joined the company in 1967, led the new independent Tetra Tech. In 1988 Honeywell sold Tetra Tech's engineering division to a group of company employees. The company phased out gas exploration and related products and phased in data systems. Under Honeywell, Tetra Tech's engineering services, especially environmental, grew steadily. operations and another group acquired Tetra Tech International. In 1982 Honeywell purchased Tetra Tech's U.S. By 1979, Tetra Tech was helping to analyze data used in exploring the Alaska North Slope for oil. In 1977 Tetra Tech offered common stock on the American Stock Exchange and used this capital to expand its services, from developing methods to predict the level and frequency of floods and causes of acid rain to environmental impact studies of gas pipeline construction and installing Hydro Products equipment for the United States Navy. ĭuring its early years, the company designed waterway structures at harbors, ports, and marinas supported water quality control projects supported oil and gas exploration projects and calculated the effects of offshore military activities for the Department of Defense. The company has increased its size and scope of business substantially through internal growth and strategic acquisitions. was founded in 1966 as Water Management Group of Tetra Tech Inc., by four individuals in Pasadena, California, to provide engineering services to waterways, harbors, and coastal areas.

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