TETRA TECH, INC.

Tetra Tech, Inc. specializes in environmental consulting, engineering services, and remediation solutions for complex federal infrastructure and regulatory challenges. Their technical expertise spans environmental compliance, air and water quality management, environmental impact assessments, and sustainable infrastructure design, with deep proficiency in NEPA, RCRA, and CERCLA frameworks. The firm delivers integrated engineering and environmental services that support mission-critical operations at defense, space, and environmental agencies, combining scientific analysis with civil and environmental engineering to ensure regulatory adherence and operational resilience. Key differentiators include enterprise-level environmental support systems, site-specific risk assessments, and multidisciplinary teams that bridge regulatory science with engineering implementation. The contractor maintains consistent, long-term engagements with the Department of Defense, Environmental Protection Agency, and Agency for International Development. For DoD, they provide environmental quality program support, EIS documentation, and air quality sustainment at military installations. With the EPA, they deliver mission support for grants and debarment operations and assist regional offices in chemical and waste management initiatives. For USAID and NASA, they offer environmental services at remote and sensitive facilities, ensuring compliance with federal environmental standards in austere or high-value operational environments. Their primary focus lies in NAICS 541620 (Environmental Consulting Services) and 541330 (Engineering Services), reflecting a market position as a trusted integrator of environmental science and civil engineering for federal clients. They serve verticals including defense infrastructure, space program sustainability, and federal land and water resource management, with an emphasis on lifecycle environmental stewardship and regulatory compliance. Tetra Tech, Inc. is a privately held firm headquartered in Pasadena, California, with no government certifications on record. The company operates nationally, supporting federal missions across diverse geographic and operational contexts, leveraging its technical depth to deliver scalable, science-driven solutions for complex regulatory environments.