TTEKNasdaqServices-Engineering ServicesFiscal year ends September 27
TETRA TECH INC
Financials through Q3 FY2026, quarter ended Jun 28, 2026Last filing: 10-Q on Jul 31, 2026
$34.63−0.09 (-0.26%)
Close on Oct 19, 2026
- Market cap
- $9.00B
- P/E (TTM)
- 20.9
- Dividend yield
- 0.71%
TETRA TECH INC revenue by segment
By business segment
| Revenue | TTM Q3 26 | TTM Q2 26 | TTM Q1 26 | TTM Q4 25 | TTM Q3 25 | TTM Q2 25 | TTM Q1 25 | TTM Q4 24 | TTM Q3 24 | TTM Q2 24 | TTM Q1 24 | TTM Q4 23 | % of revenue | YoY |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CIG | $2.99B | $2.94B | $2.90B | $2.84B | $2.68B | $2.73B | $2.76B | $2.79B | $2.75B | $2.71B | $2.65B | $2.42B | 59.1% | +11.6% |
| GSG | $2.16B | $2.27B | $2.41B | $2.67B | $2.87B | $2.80B | $2.70B | $2.48B | $2.41B | $2.30B | $2.26B | $2.16B | 42.6% | -24.8% |
| Operating income | TTM Q3 26 | TTM Q2 26 | TTM Q1 26 | TTM Q4 25 | TTM Q3 25 | TTM Q2 25 | TTM Q1 25 | TTM Q4 24 | TTM Q3 24 | TTM Q2 24 | TTM Q1 24 | TTM Q4 23 | YoY |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CIG | $378.13M | $369.70M | $366.75M | $356.87M | $319.94M | $319.29M | $326.15M | $328.51M | $305.37M | $288.48M | $265.04M | $243.75M | +18.2% |
| GSG | $298.24M | $315.13M | $320.05M | $340.55M | $353.79M | $325.59M | $309.82M | $281.03M | $263.36M | $246.34M | $234.54M | $231.76M | -15.7% |
By product or service
By region
From the segment and revenue-disaggregation notes of Tetra Tech's 10-K and 10-Q filings (XBRL). Fourth-quarter figures are the fiscal year less the first nine months. Segment names follow the company's own labels and can change when it reorganizes.