TETRA TECH INC

Key metrics

Financial performance

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%.

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Key statistics

Latest filings

Browse the full filing history (2,115 filings)

Recent press releases

• Tetra Tech Reports Strong Second Quarter 2026 Results and Raises Fiscal Year 2026 Guidance2026-04-29

  **Revenue $1.22 billion; Net Revenue $1.05 billion**

• Tetra Tech Selected for Netherlands Wastewater Treatment and Water Infrastructure Framework2026-04-23

  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.

• Tetra Tech Awarded £18 Million Water and Wastewater Contract in Northern Ireland2026-04-21

  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.

• Tetra Tech Announces Planned Dates for Second Quarter 2026 Results and Conference Call2026-04-08

  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.

• Tetra Tech Appoints Eric W. Thornburg to its Board of Directors2026-03-26

  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.

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