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Spending Spree: Tetra Tech is expanding its global reach through acquisitions.

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EPA Taps Tetra Tech

Agency awards $21M for water quality study

Tetra Tech Inc., the Pasadena-based engineering and consulting firm, will assess and manage threats to water quality under a $21 million, five-year contract from the EPA.

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Acquisition Binge Reshapes Tetra Tech

ENGINEERING: Firm shifts to high-margin lines

Tetra Tech Inc. has quietly gone on an acquisition spree over the last two years.

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