Tetra Tech, Inc. (TTEK)
NASDAQ: TTEK · Real-Time Price · USD
34.49
-0.38 (-1.09%)
Mar 9, 2026, 1:34 PM EDT - Market open

Company Description

Tetra Tech, Inc. provides consulting and engineering services focusing on water, environment, and sustainable infrastructure in the United States and internationally.

The company operates through two segments, Government Services Group (GSG) and Commercial/International Services Group (CIG).

The GSG segment offers consulting and engineering services, including water resources analysis and water management, environmental monitoring, data analytics, government consulting, waste management, and civil infrastructure master planning and resilient engineering design for facilities, as well as transportation and local development projects primarily to government clients, including federal, state, and local, as well as international development agencies.

It also offers sustainable solutions, such as energy management consulting, and greenhouse gas inventory assessment, certification, reduction, and management services.

The CIG segment provides consulting and engineering services, including natural resources, energy, and utilities, as well as sustainable infrastructure master planning and engineering design for facilities; and transportation and local development projects to commercial and international clients, including the commercial and government sectors.

The company 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; climate change consulting; greenhouse gas inventory assessment, certification, reduction, and management services; environmental remediation and reconstruction services, industrial water treatment and reuse services; and engineering services, such as data centers, advanced manufacturing, security systems, training and audiovisual facilities, clean rooms, laboratories, medical facilities, and disaster preparedness facilities.

The company was founded in 1966 and is headquartered in Pasadena, California.

Tetra Tech, Inc.
Tetra Tech logo
Country United States
Founded 1966
IPO Date Dec 17, 1991
Industry Engineering & Construction
Sector Industrials
Employees 25,000
CEO Roger Argus

Contact Details

Address:
3475 East Foothill Boulevard
Pasadena, California 91107
United States
Phone 626 351 4664
Website tetratech.com

Stock Details

Ticker Symbol TTEK
Exchange NASDAQ
Stock Type Common Stock
Fiscal Year October - September
Reporting Currency USD
CIK Code 0000831641
CUSIP Number 88162G103
ISIN Number US88162G1031
Employer ID 95-4148514
SIC Code 8711

Key Executives

Name Position
Roger R. Argus Chief Executive Officer, President and Director
Dan L. Batrack Executive Chairman of the Board of Directors
Steven M. Burdick CPA Chief Financial Officer and Executive Vice President
Preston Hopson J.D. Executive Vice President, Secretary, Chief Legal and Human Capital Officer
Dr. Leslie L. Shoemaker Ph.D. Executive Vice President and Chief Innovation and Sustainability Officer
Brian N. Carter CPA Senior Vice President, Corporate Controller and Chief Accounting Officer
Craig L. Christensen Senior Vice President and Chief Information Officer
Richard A. Lemmon Senior Vice President of Corporate Administration
Dr. William R. Brownlie Senior Vice President and Chief Engineer
Brendan M. J. O'Rourke Senior Vice President of Enterprise Risk Management

Latest SEC Filings

Date Type Title
Feb 20, 2026 8-K Current Report
Feb 4, 2026 144 Filing
Jan 30, 2026 10-Q Quarterly Report
Jan 28, 2026 8-K Current Report
Jan 9, 2026 ARS Filing
Jan 9, 2026 DEFA14A Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Jan 9, 2026 DEF 14A Other definitive proxy statements
Jan 6, 2026 8-K Current Report
Dec 22, 2025 8-K Current Report
Nov 20, 2025 10-K Annual Report