Global Environmental Engineering

Tetra Tech is one of the leading providers of specialized management consulting and technical services. The company focuses on the areas of resource management, infrastructure, and communications. Tetra Tech was founded to provide engineering services related to waterways, harbors and coastal areas. The company has since increased the size and scope of its business and expanded its service offerings through a series of strategic acquisitions and internal growth. Tetra Tech provides environmental services, water and wastewater management, infrastructure services, security design and outsourced technical services.

Incorporated in 1987, BorgWarner manufactures and markets engineered systems and components for vehicle power train applications worldwide. The company operates two main divisions: Engine and Drivetrain. The engine division develops products to manage engines for fuel efficiency and reduced emissions. Its products include turbochargers, chains, emissions and thermal systems, diesel cold start and gasoline ignition technology, tire pressure monitoring systems and diesel cabin heaters. The drivetrain division s products include transmission components and systems for torque management applications. It offers friction plates, one-way clutches, transmission bands and torque converter lock-up clutches for automatic transmissions. The company s products are marketed worldwide primarily to original equipment manufacturers of light vehicles, such as passenger cars, sport-utility vehicles, vans and light trucks. Its products are also sold to OEMs of commercial trucks, buses, and agricultural and off-highway vehicles in the Americas, Europe and Asia. BorgWarner is headquartered in Auburn Hills, Michigan.