Tetra Tech, Inc.
TTEK Industrials Engineering & Construction
Tetra Tech, Inc.’s revenue for fiscal 2025 (year ended September 2025) was $5.4 billion, up 4.69% from fiscal 2024.
- Revenue
- −4.47%
- EPS
- −2.33%
- Free cash flow
- −35.0%
- Total debt
- −7.12%
Quarter to June 2026, against a year earlier
Follow TTEK
Alert me
Tetra Tech, Inc. 10-K filed Nov 20, 2025
What changed
Item 1, Business, against the 10-K filed Nov 19, 2024: 3 added · 8 removed · 49 modified; 1 with only figures updated
-
Modified · General
Tetra Tech is Leading with Science® to provide sustainable and resilient solutions to our clients' most complex needs. Engineering News-Record ("ENR"), the engineering industry's leading magazine, has ranked Tetra Tech #1 in Water Treatment and Desalination for
1112 years in a row. In20242025, we were also ranked #1 in consulting studies;, environmental management;, environmental science, wind power;, hydro plants; offshore and underwater facilities;, site assessment and compliance;, and green government offices. ENR also ranked Tetra Tech in the Top 10 in numerous categories, including dams and reservoirs, marine and port facilities, power, solar power, solid waste, environmental science, chemical and soil remediation, and hazardous waste.