Tetra Tech Inc. (NasdaqGS:TTEK) acquired American Environmental Group, Ltd. on December 31, 2012. American Environmental Group will join Tetra Tech's Remediation and Construction Management segment. American Environmental posted annual revenue of approximately $95 million. The combined acquisition price for 2012 acquisitions was $63.2 million.

Tetra Tech Inc. (NasdaqGS:TTEK) completed the acquisition of American Environmental Group, Ltd. on December 31, 2012.