| (Values in U.S. Thousands) | Sep, 2025 | Sep, 2024 | Sep, 2023 | Sep, 2022 | Sep, 2021 |
| Sales | 5,442,590 | 5,198,680 | 4,522,550 | 3,504,050 | 3,213,510 |
| Sales Growth | +4.69% | +14.95% | +29.07% | +9.04% | +7.30% |
| Net Income | 247,720 | 333,380 | 273,420 | 263,130 | 232,810 |
| Net Income Growth | -25.69% | +21.93% | +3.91% | +13.02% | +33.91% |
Tetra Tech Inc (TTEK)
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Tetra Tech is a leading provider of consulting, construction management, engineering, program management and technical services. It serves clients by providing cost-effective and innovative solutions on dealing with the fundamental needs for water, environmental and alternative energy services. Tetra Tech's has a diverse base of international and U.S. commercial clients, as well as U.S. federal and U.S. state and local government agencies. Tetra Tech reports its businesses under the following two segments: Government Services Group and Commercial / International Services Group.
Fiscal Year End Date: 09/30