News More News from Tetra Tech Inc.'s corporate news site Leslie Shoemaker Named Chief Strategist, Corporate Vice President - 10/16/06 Tetra Tech Wins $62 Million U.S. EPA START Region 7 Contract - 12/12/05 Tetra Tech Wins $100 Million NAVFAC Southwest Remedial Action Contract - 11/29/05 Tetra Tech Selects Dan Batrack to Succeed Li-San Hwang as CEO - 11/17/05 Tetra Tech Awarded $43 Million Clean Water Protection Contract - 08/23/05 Tetra Tech and International Resources Group Joint Venture Awarded Indian Ocean Tsunami Warning System Development Project - 08/09/05 Tetra Tech and International Resources Group Joint Venture Wins USAID Worldwide Water Resources Contract - 10/08/04

		According to Engineering News-Record, Tetra Tech is currently the largest firm in site assessment/compliance, treatment and desalination, and water supply; the third largest in education, and towers and antennae; the fourth largest firm in hazardous waste; the fifth largest in nuclear waste; sixth in Clean Air Compliance; and the eighth largest Environmental firm in the United States.