With 25,000 full-time employees, Tetra Tech operates as a consulting and engineering services firm specializing in water, environment, and sustainable infrastructure. The company delivers technical services across consulting, engineering design, data collection and analysis, project management, and operations support. Service offerings span water resources management, environmental monitoring, waste management, climate change and greenhouse gas consulting, industrial water treatment, and resilient engineering design for civil infrastructure and facilities including data centers, laboratories, and medical buildings.
The company maintains two primary operating segments. The Government Services Group serves federal, state, and local government clients as well as international development agencies, providing water management analysis, environmental monitoring, infrastructure master planning, and sustainability solutions. The Commercial/International Services Group addresses commercial and international government clients through offerings in natural resources, energy, utilities, and sustainable infrastructure engineering, alongside transportation and local development projects.
Operating internationally with headquarters in Pasadena, California, Tetra Tech generates revenue from both public sector contracts and commercial client work. The firm's service scope encompasses early-stage data collection through long-term operational support, positioning it across multiple phases of infrastructure and environmental projects. The company's geographic footprint extends across the United States and international markets, reflecting its diversified client base spanning government agencies and commercial enterprises.
Fiscal years are as reported by the company and may not align with the calendar year. For example, Apple's FY 2024 ends in September 2024.
| Fiscal Year | EPS Diluted | EPS Basic | YoY | |
|---|---|---|---|---|
| 2025 | $0.48 | $0.49 | +37.1% | |
| 2024 | $0.35 | $0.36 | -65.0% | |
| 2023 | $1.00 | $1.01 | -35.5% | |
| 2022 | $1.55 | $1.56 | +2.0% | |
| 2021 | $1.52 | $1.54 | +85.4% | |
| 2020 | $0.82 | $0.83 | +290.5% | |
| 2019 | $0.21 | $0.21 | -58.8% | |
| 2018 | $0.51 | $0.52 | -15.0% | |
| 2017 | $0.60 | $0.61 | +13.2% | |
| 2016 | $0.53 | $0.54 | +200.0% | |
| 2015 | $-0.53 | $-0.53 | -251.4% | |
| 2014 | $0.35 | $0.36 | -10.3% | |
| 2013 | $0.39 | $0.39 | -17.0% | |
| 2012 | $0.47 | $0.48 | +11.9% | |
| 2011 | $0.42 | $0.42 | -66.1% | |
| 2010 | $1.24 | $1.25 | — |
| Report Date | Filed | Accession Number | |
|---|---|---|---|
| 2025-09-28 | 2025-11-20 | 0000831641-25-000032 | SEC ↗ |
| 2024-09-29 | 2024-11-19 | 0000831641-24-000063 | SEC ↗ |
| 2023-10-01 | 2023-11-22 | 0000831641-23-000082 | SEC ↗ |
| 2022-10-02 | 2022-11-25 | 0000831641-22-000123 | SEC ↗ |
| 2021-10-03 | 2021-11-24 | 0000831641-21-000110 | SEC ↗ |
| 2020-09-27 | 2020-11-23 | 0000831641-20-000154 | SEC ↗ |
| 2019-09-29 | 2019-11-29 | 0000831641-19-000193 | SEC ↗ |
| 2018-09-30 | 2018-11-16 | 0000831641-18-000097 | SEC ↗ |
| 2017-10-01 | 2017-11-20 | 0000831641-17-000022 | SEC ↗ |
| 2016-10-02 | 2016-11-22 | 0001047469-16-016906 | SEC ↗ |
| 2015-09-27 | 2015-11-20 | 0001047469-15-008864 | SEC ↗ |