Tetra Tech Inc.

Offices
Main: Pasadena, California

Texas: Austin, Dallas, Houston
California: Los Angeles, San Francisco, San Diego
Hawaii: Honolulu
New York: New York, Ithaca
Illinois: Chicago
Massachusetts: Boston
Colorado: Denver, Breckenridge, Colorado Springs

U.S. States: Alabama, Alaska, Arizona, California, Colorado, Connecticut, Delaware, Washington D.C., Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, Oklahoma, Ohio, Oregon, Pennsylvania, Puerto Rico, South Carolina, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming

Other Countries: Australia, Brazil, Cambodia, Canada, Chile, Germany, India, Kazakhstan, Lebanon, Netherlands, New Zealand, Oman, Papua New Guinea, Philippines, Poland, South Africa, Thailand, United Arab Emirates, United Kingdom

Overall Services
Consulting
Technical Support
Engineering and Architecture
Remediation and Construction

Design and Engineering Services
Architecture
Artic Engineering
Civil Engineering
Geotechnical Engineering
MEP
Structural Engineering

High Performance Building Services
Acoustics
Commissioning Management
Cybersecurity
Digital Engineering/BIM/CFD
Energy Modeling
Fire Engineering
Industrial Hygiene Services
Lighting Design
MEP Design
Refurbishment and Modernization
Security
Sustainability Consulting
Technology Integration
Vertical Transportation

Number of Employees:
21,000

History
Tetra Tech, Inc. was founded in 1966 to provide engineering and consulting services to harbors, waterways, and coastal areas. Over the past few decades, the company has grown drastically and has expanded its business in many areas. Tetra Tech Inc. now provides environmental, water/waste management, and infrastructure services as well as security design and other technical services. Today, the company employees over 13,000 people from all around the world. The goal of Tetra Tech, Inc. is to strive for clear sustainable solutions that improve the quality of life. Source

Center for Energy Education Training

River’s Edge Mixed-Use Development

Cape Henlopen Elementary School

Shanghai Tower

Construction of the Research Center of Montreal University Hospital

International Towers Sydney