72 : Tetra Tech Inc.
Top 100 Revenue: $120,886,524
Defense revenue: $46,929,255
Civilian revenue: $73,957,269
2005 revenue: $1.3 billion
2005 earnings : Loss of $99.5 million
2004 revenue: $1.4 billion
2004 earnings: $23.7 million
Number of employees: 7,500
Headquarters: Pasadena, Calif.
Web address: www.tetratech.com
President/CEO: Sam W. Box, president and Dan L. Batrack, director, CEO and COO
Lines of business: Resource management, infrastructure, communications and security
Major customers: Navy, Federal Aviation Administration, Missile Defense Agency and Army
Major contracts/projects: Tetra Tech has $101 million contract with the Missile Defense Agency for information management, engineering, workforce management support, administrative services, facility operations and logistics. The agency has been a Tetra Tech client since 1998.
Previous Profile: 2005

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