Tetra Tech Inc. provides high-end consulting and engineering services focused on water, environment and sustainable infrastructure for public and private clients worldwide. News about Tetra Tech centers on quarterly results, backlog and guidance, governance changes, and awards for water and wastewater systems, environmental restoration, flood defense, and resilient infrastructure projects.
Company updates also describe work for U.S. federal, state and local agencies, defense customers, international water authorities and commercial clients. Recurring project themes include wastewater treatment design, water quality sampling, environmental site assessment and remediation, stormwater and groundwater monitoring, architect-engineer services, and IT, operational technology and cybersecurity support for logistics and infrastructure modernization.
Tetra Tech (NASDAQ: TTEK) announced a three-year master services agreement with the City of Los Angeles Harbor Department to provide environmental engineering and technical services to the Port of Los Angeles, supporting a multi-year $2.6 billion infrastructure investment program.
Services cover site assessment, restoration, stormwater and groundwater monitoring, compliance assessments, remedial investigations, and implementation across POLA’s 7,500 acres and 43 miles of waterfront. Tetra Tech has served POLA continuously since 1993.
Tetra Tech (NASDAQ: TTEK) was awarded a $14 million task order by the Defense Logistics Agency under the J6 Enterprise Technology Services (JETS) 2.0 contract.
The 3-year award funds IT/OT and cybersecurity support for DLA's global supply chain modernization, including AMHE sustainment, WES transition, augmented reality, and voice technology work. Tetra Tech has supported DLA AMHE systems since 2019 and cites a 20-year relationship.
Tetra Tech (NASDAQ: TTEK) and joint venture partner Mason & Hanger were awarded a $99 million single-award task order from Naval Facilities Engineering Systems Command Southeast.
The 5-year contract covers multidiscipline architect‑engineer services for resilient military infrastructure, including waterfront and marine facility refurbishments, shore-based projects, and non-military construction, using in‑house technology to improve water and energy efficiency.
Tetra Tech (NASDAQ: TTEK) was awarded a $100 million multiple-award contract to provide planning and assessment services to the Air Force Civil Engineer Center (AFCEC).
Under the 5-year contract, Tetra Tech will support development of resilient base infrastructure by assessing environmental impacts, mitigation planning, and preparing environmental impact statements using its engineers, scientists, and Delta technologies.
Tetra Tech (NASDAQ: TTEK) was selected by Rijkswaterstaat, the Netherlands Ministry agency, to provide engineering and technical services to develop and modernize national water infrastructure networks.
The work includes flood defenses, locks, bridges, soil and sediment surveys, advanced data analytics, and laboratory support to strengthen resilience and water security.
Tetra Tech (NASDAQ: TTEK) won a position on a 5-year multiple-award A-E design contract with the U.S. Army Corps of Engineers Portland District, sharing a total contract capacity of $49 million. The work covers architectural and engineering services for locks, dams, levees, flood management, and navigation.
Under the contract, Tetra Tech teams will deliver planning, advanced computer modeling, dam safety, migratory fish passage design, inland and coastal navigation work, and flood risk management to improve resilience and support local community safety and economic activity.
Tetra Tech (NASDAQ: TTEK) was selected by United Utilities to deploy its WaterNet™ SaaS water network management platform under a 5-year agreement to support AMP8 leakage and demand reduction commitments. Implementation is planned for the first half of 2026 and aims to speed leak detection, strengthen network resilience, and standardize reporting across the North West of England.
Tetra Tech will provide technical support and strategic services to help United Utilities meet its “Every Drop Counts” campaign targets.
Tetra Tech (NASDAQ: TTEK) reported Q1 FY2026 revenue of $1.21B and net revenue of $1.04B. Operating income was $141M, adjusted EBITDA $147M, and EPS was $0.40 (adjusted EPS $0.35/b). Backlog was .
The company raised FY26 guidance to net revenue $4.15–4.30B and adjusted EPS $1.46–1.56, declared a quarterly dividend of $0.065, and repurchased $50M of stock in Q1.
Tetra Tech (NASDAQ: TTEK) announced on January 22, 2026 that it has acquired Halvik Corp, a provider of advanced data analytics, systems modernization, and cybersecurity advisory services for U.S. defense and civilian agencies.
The deal brings Halvik's 600 employees into Tetra Tech's Government Services Group, expands relationships across the U.S. Army, Navy, Air Force, and Department of Transportation, and is intended to strengthen analytics, AI/ML, and cybersecurity capabilities. The terms were not disclosed.
Tetra Tech (NASDAQ: TTEK) signed a definitive agreement to acquire Providence Consulting Group Pty Ltd, an Australia-based advisory and project management consultancy focused on defense resilient planning and sustainment.
Providence brings specialists in program delivery, systems engineering, and protective security, and will join Tetra Tech’s Commercial/International Business Group, expanding advisory services into the Australian defence sector and the Asia-Pacific region. The transaction is subject to customary closing conditions; no financial terms or closing date were disclosed.