TTEK - CIK 0000831641
TETRA TECH INC trades as TTEK and has a market capitalization of $7.20 B, making it the #1128 largest US-listed company by market value. In its fiscal 2025 annual report the company posted revenue of $5.44B, up 4.7% from the prior year. This page tracks TETRA TECH INC through 2,115 SEC filings, with financial statements and metrics updated as new reports are filed.
Over the last 9 fiscal years TETRA TECH INC's revenue grew from $2.58B to $5.44B, a compound annual growth rate of 8.6%.
| Filing | Type | Filed |
|---|---|---|
| Insider trade | 4 | 2026-05-15 |
| Quarterly report | 10-Q | 2026-05-01 |
| SCHEDULE 13G | - | 2026-04-30 |
| Major company event | 8-K | 2026-04-29 |
| Insider trade | 4 | 2026-04-28 |
| New insider ownership | 3 | 2026-04-03 |
| SCHEDULE 13G/A | - | 2026-03-27 |
| Major company event | 8-K | 2026-03-26 |
**Revenue $1.22 billion; Net Revenue $1.05 billion**
PASADENA, Calif.--(BUSINESS WIRE)-- Tetra Tech, Inc. (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that Waterschap Aa en Maas, a significant water authority in the southern region of the Netherlands, has selected Tetra Tech to provide engineering and consulting services to expand wastewater treatment facilities and future-proof the region’s water system infrastructure.
PASADENA, Calif.--(BUSINESS WIRE)-- Tetra Tech, Inc. (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that Northern Ireland Water, the region’s sole provider of water and sewage services, has selected Tetra Tech to provide high-end water and wastewater sampling services for water quality protection and enhanced resiliency of their water supplies.
PASADENA, Calif.--(BUSINESS WIRE)-- Tetra Tech, Inc. (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today the planned dates for its second quarter 2026 results and conference call.
The largest companies sharing TETRA TECH INC's SEC industry classification (services-engineering services).
TETRA TECH INC (TTEK) has a market capitalization of $7.20 B as of 2026-05-29, ranking #1128 among US-listed companies.
TETRA TECH INC reported revenue of $5.44B for fiscal year 2025, an increase of 4.7% year over year.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
Dig into the full income statement, balance sheet, and cash flow statement with annual and quarterly views.
Mr. Thornburg brings more than 40 years of operational and strategic leadership in the water industry. He most recently served as Chair, President and CEO of H20 America (previously SJW Group), a network of local water and wastewater utilities serving more than 1.6 million people across the country. Prior to H20 America, Mr. Thornburg served as Chief Executive Officer of Connecticut Water Service.