TETRA TECH, INC.

Tetra Tech, Inc. delivers specialized engineering services focused on water infrastructure, environmental compliance, and facility design for federal defense and civil works programs. The firm provides full-cycle professional A-E services including hydraulic and structural design for lock and dam systems, flood risk reduction, coastal and riverine ecosystem restoration, and fish conveyance solutions. Their technical expertise extends to environmental permitting, value engineering, and HVAC renovation for mission-critical defense installations, with demonstrated proficiency in navigating complex regulatory frameworks under the U.S. Army Corps of Engineers and other DoD entities. A key differentiator is their integrated approach to engineering analysis and environmental stewardship, ensuring infrastructure projects meet both operational and ecological standards. The contractor maintains a consistent relationship with the Department of Defense, supporting a broad spectrum of military infrastructure initiatives including navigation systems, flood control structures, and facility upgrades. Their work for DoD centers on mission-critical civil works projects that require precise engineering coordination and compliance with federal environmental statutes, indicating a trusted, long-term partnership rooted in technical reliability and regulatory acumen. Tetra Tech operates primarily under NAICS 541330, which encompasses professional engineering services for public infrastructure and environmental systems. Their market positioning is defined by deep specialization in water resources engineering and defense facility modernization, serving as a technical advisor on complex hydraulic and ecological restoration programs. They are not certified under any federal small business or socioeconomic programs. Headquartered in Bellevue, Washington, Tetra Tech, Inc. is structured as a 2L entity and maintains a focused government market presence centered on DoD and Army Corps of Engineers contracts. Their geographic footprint supports nationwide project execution, with operational emphasis on inland waterway and coastal infrastructure programs.