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Tetra Tech inc   (NASDAQ: TTEK)
    Sector  Capital Goods    Industry Construction Services
 

Tetra Tech Inc's Customers Performance

TTEK



 
TTEK's Source of Revenues Tetra Tech Inc's Corporate Customers have recorded a rise in their cost of revenue by 27.88 % in the 3 quarter 2026 year on year, sequentially costs of revenue grew by 9.19 %. During the corresponding time, Tetra Tech Inc recorded a revenue increase by 179.88 % year on year, sequentially revenue grew by 24.73 %. While revenue at the Tetra Tech Inc 's corporate clients recorded rose by 27.87 % year on year, sequentially revenue grew by 16.81 %.

List of TTEK Customers




Tetra Tech Inc's Customers have recorded a rise in their cost of revenue by 27.88 % in the 3 quarter 2026 year on year, sequentially costs of revenue grew by 9.19 %, for the same period Tetra Tech Inc recorded revenue increase by 179.88 % year on year, sequentially revenue grew by 24.73 %.

List of TTEK Customers

Tetra Tech Inc's Business Units
Government Services Group    128.64 % of total Revenue
Commercial/International Services Group    161.14 % of total Revenue
Excluding Intersegment Elimination    285.76 % of total Revenue
Intersegment Eliminations    -4.01 % of total Revenue




   
Customers Net Income grew in Q3 by Customers Net margin grew to
87 % 13.5 %
Customers Net Income grew in Q3 by 87 %


Customers Net margin grew to 13.5 %



Tetra Tech Inc's Customers, Q3 2026 Revenue Growth By Industry
Customers in Chemical Manufacturing Industry -0.93 %   
Customers in Miscellaneous Fabricated Products Industry      25.55 %
Customers in Construction Raw Materials Industry      6.87 %
Customers in Aerospace & Defense Industry -19.58 %   
Customers in Agricultural Production Industry      7.75 %
Customers in Oil And Gas Production Industry      25.08 %
Customers in Oil & Gas Integrated Operations Industry      48.85 %
Customers in Renewable Energy Services & Equipment Industry      19.86 %
Customers in Consumer Financial Services Industry      3105.9 %
Customers in Property & Casualty Insurance Industry      3.93 %
Customers in Communications Services Industry -1.43 %   
Customers in IT Infrastructure Industry      55 %
Customers in Scientific & Technical Instruments Industry      10.49 %
Customers in Semiconductors Industry      22.53 %
Customers in Software & Programming Industry      22.1 %
Customers in Consumer Electronics Industry  
Customers in Airline Industry      15.67 %
Customers in Electric Utilities Industry      5.89 %
Customers in Natural Gas Utilities Industry      52.77 %
Customers in Water Supply Industry      97.16 %
     
• Customers Valuation • Customers Mgmt. Effect.


Tetra Tech Inc's Comment on Sales, Marketing and Customers



The company provides consulting, engineering, and technology services to public and private clients globally, primarily in the water and environmental sectors. It manages over 100,000 projects annually, focusing on long-term client relationships and repeat business. The company offers solutions including water treatment technologies, coastal erosion mitigation, AI-enabled infrastructure assessment, and real-time water management optimization. Its approach integrates operational expertise, science, technology, advanced data analytics, digital technologies, and artificial intelligence.


  News about Tetra Tech inc Contracts

Tetra Tech Ramps Up Water Management Solutions in Florida with New Expansion Contract Amid Stock Market Pressures,

Tetra Tech Secures Contract to Expand Eastern Water Reclamation Facility in Florida Amid Mixed Market Performance PASADENA, Calif. Tetra Tech, Inc. (NASDAQ: TTEK), a prominent provider of high-end consulting and engineering services in the water, environmental, and sustainable infrastructure sectors, has announced a significant contract awarded by Orange County Utilities (OCU) in Florida. The contract entails engineering design and technical services aimed at substantially expanding the Eastern Water Reclamation Facility (EWRF), a vital facility serving a sprawling 451-square-mile service area just outside Orlando.Tetra Tech s involvement in this expansion project underscores the company s commitment to en...

Tetra Tech Navigates Economic Currents with Strategic U.S. Army Corps Contract and Corporate Client Dynamics

In a significant move to bolster its standing in the sphere of environmental and infrastructure services, Tetra Tech, Inc. (NASDAQ: TTEK) has clinched a $249 million multiple-award contract with the U.S. Army Corps of Engineers (USACE), Mobile District. The contract, which spans five years, will see Tetra Tech providing comprehensive planning and environmental services, reinforcing its commitment to sustainable infrastructure and environmental initiatives. The Contract’s Strategic Significance The USACE contract underscores Tetra Tech’s pivotal role in advancing major environmental projects at a national scale. This partnership not only secures a robust revenue pipeline for the company but also cements i...

Tetra Tech Clinches $12 Billion Contract with Defense Logistics Agency, Solidifying Position as Technological Leader ...

Tetra Tech Secures Significant $12 Billion Contract with Defense Logistics Agency Pasadena, Calif. In an impressive leap forward for innovation in military logistics, Tetra Tech, Inc. (NASDAQ: TTEK) has been selected by the Defense Logistics Agency (DLA) for its formidable $12 billion J6 Enterprise Technology Services (JETS) 2.0 multiple-award contract. Known for its expertise in high-end consulting and engineering across water, environment, and sustainable infrastructure, Tetra Tech, along with its Amyx operations, will play a pivotal role in supporting DLA s mission-critical functions.The JETS 2.0 contract represents an indefinite delivery, indefinite quantity (IDIQ) agreement, providing flexibility in s...

Tetra Tech A Driving Force in Environmental Innovation and Global Energy Security

In an era where environmental concerns and energy security dominate the agenda of nations worldwide, Tetra Tech, Inc. (NASDAQ: TTEK) emerges as a key player. With a strong commitment to high-end consulting and engineering services, Tetra Tech is capitalizing on opportunities to tackle pressing environmental challenges and bolster energy resilience on a global scale. Pioneering Solutions for Contaminated EnvironmentsTetra Tech s recent selection by the U.S. Department of Defense (DoD) Environmental Security Technology Certification Program to design and test a mobile electron beam (eBeam) system marks a significant advancement in the treatment of PFAS-impacted soils and sediments. Per- and polyfluoroalkyl sub...

Tetra Tech Secures Multi-Million Dollar USAID Contracts to Drive Energy Access, Security, and Environmental Remediation

Tetra Tech, a renowned provider of high-end consulting and engineering services, has recently clinched several significant contracts awarded by the U.S. Agency for International Development (USAID). These contracts, collectively worth hundreds of millions of dollars, highlight Tetra Tech s continued commitment to expanding energy access, bolstering energy security, and driving environmental remediation endeavors across several regions. With a focus on West Africa, Ukraine, and Army installations in the United States, Tetra Tech s expertise and capabilities are set to make a substantial impact in key areas of global development and sustainability.Expanding Energy Access in West Africa:Tetra Tech s recent $73 ...

As economies globally endure relentless blows from the ongoing pandemic, companies strive to be resilient in the face of uncertainty. Tetra Tech, Inc., a Pasadena-based consulting and engineering services provider, stands as one such resilient entity, having recently won an extensive five-year, $439 million, single-award contract from the U.S. Agency for International Development (USAID).The m...

Resilience in the Face of Uncertainty: Tetra Tech Wins $439 Million USAID Energy Security Contract amid Pandemic-Induced Revenue DeclineAs economies globally endure relentless blows from the ongoing pandemic, companies strive to be resilient in the face of uncertainty. Tetra Tech, Inc., a Pasadena-based consulting and engineering services provider, stands as one such resilient entity, having recently won an extensive five-year, $439 million, single-award contract from the U.S. Agency for International Development (USAID).The massive deal comes at a time when Tetra Tech shows its mettle amidst deteriorating economic circumstances. Despite a reduction in the costs of revenue, the dedicated firm has managed to ...

Tetra Tech Bags $464M Contract for Environmental Remediation Amid Financial Turbulence

Tetra Tech, Inc., the trailblazing provider of high-level consulting and engineering services, recently announced a significant win. The U.S. Army has endorsed the company with a substantial $464 million, multiple-award contract to execute environmental assessment and remediation services at various Army installations across the United States. This five-year contract would see Tetra Tech direct their efforts in the investigation and remediation of hazardous and toxic waste, which includes persistent compounds like per- and polyfluorinated compounds.However, this triumphant announcement is backdrop-ed by an equivocal financial scenario. According to recent Q4 reports, the corporate clients of Tetra Tech Inc e...

Tetra Tech Scores Major Contracts across the Globe to Improve Water Management and Biodiversity Conservation

Pasadena, Calif.-based Tetra Tech, Inc. (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services, has scored three significant contracts in the United Kingdom, Cambodia, and Ireland in its quest to advance global efforts in water management and biodiversity conservation. In the United Kingdom, United Utilities, one of the country s largest listed water companies, has appointed Tetra Tech to a £100 million single-award contract. The ten-year gig will entail supporting the improvement of river health across the North West of England, a critical component for maintaining water quality. Tetra Tech s team of engineers and scientists will lead program optimization, develop solutions, and...

Tetra Tech Takes the Lead: Empowering Sustainable Development and Transforming Water Infrastructure

Tetra Tech, Inc., a renowned provider of consulting and engineering services, has recently won two significant contracts worth a combined total of $34 million. The first contract, awarded by the U.S. Agency for International Development (USAID), aims to enhance sustainable economic development by improving land rights governance worldwide. The second contract involves Tetra Tech supporting a major capital investment program for Uisce ireann, formerly known as Irish Water, to provide comprehensive drinking water and wastewater management services across the Republic of Ireland. These recent achievements demonstrate Tetra Tech s expertise in addressing critical global issues and position the company for growth...

Tetra Tech Drives Inland Navigation Innovation, Secures $33 Million U.S. Army Corps of Engineers Contract



Tetra Tech, a leading provider of consulting and engineering services, has been awarded a prestigious $33 million task order by the U.S. Army Corps of Engineers (USACE) to design a cutting-edge 1,200-foot navigation lock on the Illinois River. This exciting project will enhance inland navigation and contribute to the development of critical infrastructure in the region.
The Great Lakes and Ohio River Division of the USACE selected Tetra Tech for their expertise in architectural and engineering (A-E) services, recognizing the company s track record in delivering high-end solutions. The new navigation lock, designed in collaboration with the USACE Rock Island District, will improve the efficien...




Tetra Tech Inc’s Comment on Sales, Marketing and Customers


The company provides consulting, engineering, and technology services to public and private clients globally, primarily in the water and environmental sectors. It manages over 100,000 projects annually, focusing on long-term client relationships and repeat business. The company offers solutions including water treatment technologies, coastal erosion mitigation, AI-enabled infrastructure assessment, and real-time water management optimization. Its approach integrates operational expertise, science, technology, advanced data analytics, digital technologies, and artificial intelligence.








TTEK's vs. Customers, Data

(Revenue and Income for Trailing 12 Months, in Millions of $, except Employees)



COMPANY NAME MARKET CAP REVENUES INCOME EMPLOYEES
Tetra Tech inc 9,224.75 5,826.15 440.78 25,000
Oneok Inc 60,558.24 35,204.00 3,547.00 6,326
American Airlines Group Inc 8,555.68 55,994.00 202.00 139,100
Allegiant Travel Co 1,749.78 2,569.16 -415.04 5,616
Alaska Air Group Inc 4,485.09 14,402.00 73.00 35,951
Jetblue Airways Corp 1,646.44 9,162.00 -713.00 19,232
SUBTOTAL 5,482,554.05 2,634,636.03 258,385.62 2,835,016
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Sources: Tetra Tech inc’s official press releases and regulatory filings; CSIMarket.com’s market research; and the financial filings and press releases of other companies cited in this report.
Updated on:
Focus of this report: Tetra Tech inc’s corporate clients.
For your research, we’ve provided 9 tables on Tetra Tech inc corporate clients.
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