TETRA TECH, INC.

TETRA TECH, INC. specializes in environmental consulting services focused on hazardous site assessment, emergency response, and remedial oversight for contaminated properties under federal environmental programs. The contractor delivers technical expertise in pre-CERCLA screening, site inspections, landfill strike team deployment, and remedial action oversight, supporting the U.S. Environmental Protection Agency’s Superfund and emergency response initiatives. Their work includes conducting field investigations, evaluating contaminant pathways, and providing science-based decision support for complex environmental cleanup activities, often under time-sensitive mission assignments. Key differentiators include rapid mobilization for disaster response, deep familiarity with EPA’s START V contract framework, and proficiency in integrating regulatory requirements with field data collection and risk characterization methodologies. The contractor maintains a consistent, long-term relationship with the U.S. Environmental Protection Agency, primarily serving Region 4 and supporting national emergency response operations. Their portfolio includes site-specific tasks for industrial contamination cases such as solvent-impacted soils, dry cleaning facilities, and auto repair sites, indicating a strong alignment with EPA’s brownfields and Superfund remediation priorities. Work is delivered through task orders under the START V contract, reflecting a trusted, repeat partnership built on technical reliability and mission-critical responsiveness. The primary NAICS code 541620 reflects a focus on environmental consulting, encompassing environmental site assessments, remedial design support, and regulatory compliance services. The contractor is positioned as a technical service provider in the federal environmental remediation market, with specialization in hazardous waste site characterization and emergency environmental response. Their work supports EPA’s mission to protect human health and the environment through science-driven intervention. TETRA TECH, INC. is a large, multi-site organization structured as a 2L entity with headquarters in Duluth, Georgia. While no federal certifications are listed, the company operates as a proven contractor within the EPA’s environmental services ecosystem, leveraging nationwide technical resources to deliver high-stakes environmental response and assessment services.