Tetra Tech is a leading provider of consulting, engineering, program management, construction management, and technical services. The Company supports government and commercial clients by providing innovative solutions focused on water, environment, infrastructure, resource management, energy, and international development. With 16,000 employees worldwide, Tetra Tech’s capabilities span the entire project life cycle. Its subsidiary, The Institute for Public-Private Partnerships (IP3), headquartered in the Washington, D.C. area, is a leading PPP advisory services and capacity building provider.