Post job

Tetra Tech company history timeline

1966

Tetra Tech, Inc. was founded in 1966 to provide engineering services related to waterways, harbors, and coastal areas.

1967

Doctor Li-San Hwang, who joined the company in 1967, led the new independent Tetra Tech.

1973

During the company's early years its income grew steadily, with annual revenues topping $5 million by 1973.

1976

By 1976 the combined companies' annual sales had grown to $18 million.

1977

In January 1977 Tetra Tech offered 500,000 shares of common stock on the over-the-counter market, which in May was listed on the American Stock Exchange.

1982

In 1982 Honeywell, Inc. purchased Tetra Tech's United States operations and another group acquired Tetra Tech International.

1988

The first of these came in 1988 when GeoTrans, Inc. was purchased.

In 1988 Honeywell sold Tetra Tech's engineering division to a group of company employees.

1991

Tetra Tech’s history in Chile begins with the 100% acquisition of its predecessor, Metálica Consultores S.A., a company officially created in February 1991 with professional teams excelling in mining planning engineering.

Since going public in 1991 the company had seen annual revenues grow by more than sevenfold, and its backlog of orders was also at an all-time high.

In 1991 Tetra Tech issued 1.4 million shares of stock on the NASDAQ exchange.

1993

In December 1993 the company purchased Simons, Li & Associates, Inc., a California-based water resources engineering firm that specialized in urban drainage, flood control, bridge waterway design, and other types of civil engineering.

1994

The year 1994 saw the acquisition of Simon Hydro-Search Inc., a Denver company specializing in water resource management.

Gross revenues totaled $96.5 million by 1994.

1995

1995: Acquisition of EMI

The year 1995 was another record year for Tetra Tech, with revenues bolstered by both newly signed contracts and the income of new subsidiaries.

1996

In early 1996 Tetra Tech announced that its various companies were in the process of signing contracts with federal and state government agencies worth nearly $800 million.

1997

Another wireless firm, CommSite Development Corporation, was purchased in July 1997.

Acquisitions continued to come fast and furious in 1997, as did the signing of major contracts.

Late in 1997 Halliburton NUS Corp. joined the Tetra Tech family and was renamed Tetra Tech NUS. NUS provided environmental and waste management services to private industry and government agencies, and was noted for its ability to successfully manage difficult projects.

1998

Annual sales for 1998 reached $382.9 million, more than triple the figure of just three years earlier.

The company purchased three new businesses in 1998: CDC Engineering; McNamee, Porter & Seeley, Inc.; and Sentrex Cen-Comm Communications Systems, Inc.

1999

In February 1999 Tetra Tech purchased environmental consulting and engineering firm McCulley, Frick & Gilman.

2003

In 2003 management decided to seek quality certification for Metálica’s engineering process under ISO 9001 standards to anticipate growing market demands, and simultaneously, differentiate the company from its competitors.

2011

Beginning in 2011, Metálica Consultores was fully acquired by Tetra Tech, Inc., a global consulting and engineering firm with 20,000 employees, including scientists and engineers in 450 offices around the world.

2016

Tetra Tech also celebrated 25 years as a publicly traded company on the NASDAQ Stock Market Exchange in December 2016.

In 2016 Tetra Tech commemorated its 50th anniversary.

2017

Beginning in 2017 Tetra Tech expanded its sustainable infrastructure design practice.

2018

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.

2019

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.

Work at Tetra Tech?
Share your experience
Founded
1966
Company founded
Headquarters
Company headquarter
Get updates for jobs and news

Rate Tetra Tech's efforts to communicate its history to employees.

Zippia waving zebra

Tetra Tech jobs

Do you work at Tetra Tech?

Does Tetra Tech communicate its history to new hires?

Tetra Tech competitors

Company nameFounded dateRevenueEmployee sizeJob openings
AECOM1990$16.1B51,0003,430
Cosentini Associates-$25.0M313-
Glumac1971$21.4M4501
CDM Smith1947$1.3B5,00014,883
Stantec1954$4.3B22,0004,699
Langan1970$300.0M550651
GAI Consultants1958$135.8M867169
Parsons1944$6.8B17,0001,523
Dewberry1956$462.6M7,500720
Barr Engineering Co.1966$140.0M79843

Tetra Tech history FAQs

Zippia gives an in-depth look into the details of Tetra Tech, including salaries, political affiliations, employee data, and more, in order to inform job seekers about Tetra Tech. The employee data is based on information from people who have self-reported their past or current employments at Tetra Tech. The data on this page is also based on data sources collected from public and open data sources on the Internet and other locations, as well as proprietary data we licensed from other companies. Sources of data may include, but are not limited to, the BLS, company filings, estimates based on those filings, H1B filings, and other public and private datasets. While we have made attempts to ensure that the information displayed are correct, Zippia is not responsible for any errors or omissions or for the results obtained from the use of this information. None of the information on this page has been provided or approved by Tetra Tech. The data presented on this page does not represent the view of Tetra Tech and its employees or that of Zippia.

Tetra Tech may also be known as or be related to Tetra Tech, Inc., Tetra Tech Inc, Tetra Tech and tetra technologies.