Tetra TECH EC, Inc.

Tetra TECH EC, Inc., doing business as Tetra TECH, is a subsidiary of Tetra Tech, Inc., a globally recognized consulting and engineering firm headquartered in Pasadena, California. The company specializes in environmental remediation, compliance, and technical services for the federal government, with particular expertise in addressing contamination and environmental hazards at Department of Defense installations. Tetra TECH EC, Inc. serves as a prime contractor on multiple significant federal contract vehicles and frequently engages specialized subcontractors to execute complex environmental and technical projects, positioning it as a key environmental services provider to federal agencies including the Department of Defense, U.S. Army Corps of Engineers, and related defense commands.

Tetra TECH EC, Inc. has demonstrated extensive experience delivering environmental remediation and munitions response services through its federal contract portfolio. The company's primary focus has centered on aqueous film-forming foam (AFFF) replacement and disposal initiatives at military installations, addressing the environmental and regulatory concerns associated with per- and polyfluoroalkyl substances (PFAS) historically used in firefighting foams. Since September 2024, Tetra TECH EC, Inc. has received multiple delivery orders under the AFFF MATOC contract from the U.S. Army, U.S. Coast Guard, and U.S. Marine Corps, with individual task order values ranging from approximately $1.89 million to $5.63 million, covering performance locations across the continental United States, Alaska, Hawaii, and international installations in Japan, Germany, and the Marshall Islands. Additional contract awards include munitions and explosives of concern (MEC) removal actions, construction support services, and environmental compliance activities under the International Remediation and Environmental Services - Generation Two (IRES2) contract vehicle, which has funded work at overseas locations including Okinawa, Sagamihara, and Kwajalein Atoll. The company has also received delivery orders under the Multiple Award Military Munitions Services III (MAMMS III) contract for remedial design and response activities at munitions response sites and training areas in Arizona, Hawaii, Massachusetts, Montana, and Pennsylvania. All awards have been made on a full and open competitive basis with no small business set-aside designations, reflecting Tetra TECH EC, Inc.'s status as a large, experienced contractor. Funding has been provided by the Department of the Army, Department of Defense Engineering Support Centers, and the U.S. Coast Guard, with ceiling values reflecting the significant scope and technical complexity of environmental remediation work.

Tetra TECH EC, Inc. holds five major federal contract indefinite delivery vehicles that position it to support Department of Defense environmental objectives across multiple mission areas. The Aqueous Film Forming Foam (AFFF) Multiple Award Task Order Contract (MATOC), valued at $800 million with an ultimate completion date of February 14, 2029, enables the U.S. Army Corps of Engineers Engineering Support Center Huntsville to issue task orders for AFFF removal, transportation, disposal, and replacement activities at Department of Defense installations domestically and internationally. The International Remediation and Environmental Services - Generation Two (IRES2) contract, a $500 million multiple award IDIQ with a completion date of February 15, 2028, supports the Army Corps of Engineers in procuring environmental remediation, AFFF replacement, and munitions response services primarily at overseas military facilities in locations such as Japan, Germany, Italy, and the Marshall Islands. The SEER Chemical, Environmental, and Munitions Contract, valued at $1.136 billion and extending through October 14, 2031, provides a broad range of military munitions response, environmental compliance, and remediation services across domestic and international defense installations. The Multiple Award Military Munitions Services III (MAMMS III) contract, a $240 million vehicle managed by the U.S. Army Corps of Engineers Engineering District Baltimore with completion anticipated by September 18, 2028, enables task orders for munitions and explosives investigations, compliance cleanup, and environmental restoration at former and active military sites. Additionally, the Quality Assurance Seeding contract, a $49 million multiple award IDIQ with a base period and option years extending through October 31, 2025, supports quality assurance validation, geophysical data collection, and environmental consulting services for military munitions response and hazardous waste remediation projects. All five IDVs carry no set-aside designations, enabling Tetra TECH EC, Inc. to compete on a full and open basis, and collectively represent the company's central role in addressing the federal government's environmental compliance, AFFF remediation, and munitions response priorities across the Department of Defense enterprise.