Tetra Tech is a provider of consulting, engineering, construction and technical services which includes resource management and infrastructure, based out of Pasadena, CA. With approximately 12,000 employees in various countries, including individuals with expertise in science, research, engineering, construction, and information technology. Their annual revenue in FY 2007 was 1.55 billion. Their Slogan is, "Complex World. Clear Solutions."

Tetra Tech

Tetra Tech, Inc. was founded in 1966 to provide engineering services related to waterways, harbors and coastal areas. Over the past 40 years, the Company has substantially increased the size and scope of its business and expanded its service offerings through a series of strategic acquisitions and internal growth.

Tetra Tech now provides environmental services, water/wastewater management, infrastructure services, security design, and outsourced technical services.

Today, Tetra Tech has approximately 12,000 employees located in more than 330 offices worldwide.