Tetra Tech, Inc.
Tetra Tech, Inc. is a global provider of consulting, engineering, and technical services focused on water, environment, infrastructure, resource management, energy, and international development. With a team of 16,000 experts across 60 disciplines, the company aims to improve quality of life through innovative solutions driven by science and technology. Through federal contract and grant awards, Tetra Tech provides a wide range of services to government agencies, including environmental remediation, emergency preparedness, infrastructure development, technical assessments, and various specialized services to support government initiatives and programs. The company's expertise spans environmental planning, field sampling, data analysis, remedial design, construction management, and long-term system operations and maintenance.
As a prime contractor, Tetra Tech has been awarded numerous contracts across multiple federal agencies. For the Environmental Protection Agency (EPA), the company has provided extensive support to the Superfund program, conducting site investigations, groundwater and soil sampling, monitoring well installation, removal action and remedial design planning, vapor intrusion mitigation, construction oversight, and data management. Tetra Tech has also supported brownfield assessments and emergency preparedness activities for the EPA. For the Department of Defense, the company has delivered architectural and engineering services, including design and renovation of military facilities, infrastructure upgrades, and environmental compliance support. The U.S. Agency for International Development (USAID) has utilized Tetra Tech's expertise in international development projects, focusing on areas such as water resource management, climate change adaptation, and sustainable agriculture. Other notable clients include the U.S. Army Corps of Engineers, Department of Energy, and National Aeronautics and Space Administration (NASA), for whom Tetra Tech has provided environmental restoration, compliance services, and technical support for various programs.
In the realm of federal grants, Tetra Tech has participated in diverse projects as both a prime recipient and subrecipient. The company has supported USAID-funded initiatives such as the Feed the Future Innovation Lab for Small-Scale Irrigation and Mechanization, contributing technical expertise in water management and agricultural engineering. Tetra Tech has also been involved in projects related to invasive carp removal and marketing in the Great Lakes region, working with state agencies to develop branding strategies and expand markets for harvested carp. The company has supported public health emergency preparedness initiatives and has assisted in developing comprehensive emergency response plans for various facilities. Additionally, Tetra Tech has contributed to oceanographic and environmental research projects, including the development of cloud-native workflows for data management and support for the Integrated Ocean Observing System (IOOS) program.
Tetra Tech holds several significant Indefinite Delivery Vehicles (IDVs) with federal agencies. A notable example is the $450 million Superfund and Great Lakes Architecture & Engineering Services (SFGLAES) contract with EPA Region 5, which enables Tetra Tech to provide a wide range of services including site assessment, design, construction management, and technical support for contaminated site remediation. The company also holds a $46.9 million Region 3 Superfund Technical Assessment & Response Team VI (START VI) contract with the EPA. For NASA, Tetra Tech was awarded a $375 million multiple-award IDV under the NASA Environmental Restoration and Compliance Contract (NERCC) to provide environmental restoration and compliance support services across all NASA centers and facilities. The U.S. Army Corps of Engineers has awarded Tetra Tech multiple IDVs, including a $200 million contract for architectural and engineering services in the Great Lakes and Ohio River Division. These IDVs position Tetra Tech as a primary contractor for critical environmental, engineering, and technical services across multiple federal agencies, supporting a wide range of government missions and initiatives.
LMRMKLLL3LG5 541330
Not listed 3475 E Foothill Blvd, Pasadena, CA 91107, USA
2/20/02 11/6/25 AECOM Technical Services, Inc.
AECOM Technical Services, Inc. Corporate Office Division, doing business as AECOM Technical Services Inc., is a provider of professional technical and management support services to government agencies and commercial clients. It delivers a wide range of services including planning, consulting, architectural and engineering design, construction, and operations and maintenance services for infrastructure assets. AECOM Technical Services, Inc. is a subsidiary of AECOM, a global network of design, engineering, construction, and management professionals.
AECOM Technical Services, Inc. has served as the prime contractor on numerous federal contract awards from agencies like the Department of Defense, Department of Homeland Security, Department of Transportation, Department of Interior, and others. It has provided construction management, architectural/engineering design, environmental remediation, testing and sampling, facilities operations and maintenance, and other technical services. Notable contracts include construction management for rebuilding infrastructure at Tyndall Air Force Base, environmental remediation at contaminated military sites, engineering support for the FAA and Coast Guard infrastructure projects, architectural and engineering services for Air Force construction programs, and hazardous waste cleanup for the Army Corps of Engineers. Many of these contracts utilized IDV vehicles that allow agencies to issue task orders against pre-established contract ceilings.
Through federal grant awards, AECOM Technical Services, Inc. has supported research initiatives in areas like industrial decarbonization of water resource recovery facilities funded by the Department of Energy, pressurized oxy-combustion power plant demonstrations under the Department of Energy's Conservation Research and Development program, and structural engineering design and hydrodynamic modeling for shoreline protection efforts funded by DARPA. The company has partnered with research universities like the University of Miami as a subcontractor. Its technical expertise spans environmental assessments, energy systems, infrastructure resilience, process equipment testing, and design services aligned with the objectives of federal research grant programs.
AECOM Technical Services, Inc. holds several large indefinite delivery vehicle (IDV) contracts providing architect-engineering services, construction management, environmental remediation, and specialized technical consulting across the federal government. Notable IDVs include the Army Corps of Engineers' Environmental Remediation Services IDC valued at $464 million for restoration work at Army installations, a $375 million NASA Environmental Restoration and Compliance Contract for cleanup activities across NASA centers, and a $245 million IDIQ with the Army Corps for hazardous waste remediation architect/engineering support. It also has a $500 million BPA with GSA for construction management and an IDIQ with a $500 million ceiling supporting worldwide fuels infrastructure projects for DLA Energy. Through these vehicles, AECOM Technical Services leverages its diverse technical capabilities to compete for federal task orders in its core service areas.
EPUXNLX5EYC4 541330
Not listed One California Plaza, 300 S Grand Ave Fl 9, Los Angeles, CA 90071, USA
9/7/01 12/11/25 HDR Environmental, Operations And Construction, Inc.
HDR Environmental, Operations and Construction, Inc. (HDR EOC) is a subsidiary of HDR, Inc., a global professional services firm specializing in engineering, architecture, environmental, and construction services. As a prime contractor for the federal government, HDR EOC provides a wide range of services including architect-engineering design, construction management, environmental assessments, marine species monitoring, facilities engineering support, and environmental compliance assistance. The company has extensive experience working with various federal agencies, particularly within the Department of Defense, to support critical infrastructure and environmental programs across the United States and internationally.
HDR EOC has been awarded numerous prime federal contracts across a diverse range of services. For the Department of Defense, the company has provided environmental impact assessments, marine species monitoring, and facilities engineering services at military installations worldwide. Specific projects include conducting environmental assessments for B-21 depot maintenance activation at Tinker Air Force Base, performing marine species monitoring in the Mariana Islands, and delivering real property management services for the U.S. Marine Corps. HDR EOC has also supported the U.S. Army Corps of Engineers with environmental restoration services, including remediation design for Superfund sites. For civilian agencies like the Bureau of Ocean Energy Management, the company has conducted offshore wind energy project support services. HDR EOC frequently collaborates with subcontractors, including small businesses and academic institutions, to provide specialized expertise on these contracts.
HDR EOC holds several significant Indefinite Delivery Vehicles (IDVs) with federal agencies. The company is a prime contractor on the Air Force's Architect-Engineering Services for Design and Construction Support (AE NEXT) contract, with a $2 billion ceiling to provide facility and infrastructure support through 2026. For the U.S. Army Corps of Engineers, HDR EOC holds multiple IDVs, including a $249 million contract for environmental quality program support and a $209 million contract for planning and environmental services. The Naval Facilities Engineering Command awarded HDR EOC a $75 million single-award contract for marine species monitoring and environmental planning services worldwide. Additionally, the company holds IDVs with the Bureau of Ocean Energy Management for offshore wind project support and with the General Services Administration on the Multiple Award Schedule for environmental services. These contract vehicles allow various federal agencies to quickly procure HDR EOC's services for a wide range of environmental, engineering, and facilities support needs.
EKCVZLXL4MA8 562910
Not listed 369 Inverness Pkwy #325, Englewood, CO 80112, USA
3/25/02 9/10/25 Leidos, Inc.
Leidos, Inc., operating through its Leidos Services Operating Segment Division and doing business as SAIC, is a global leader in information technology, engineering, and science solutions. The company provides a wide range of products and services to U.S. government agencies, primarily focused on national security, health, and infrastructure. Leidos has secured numerous prime and subcontract awards across federal agencies, leveraging its expertise in areas such as research and development, systems integration, IT modernization, logistics, and specialized equipment procurement. The company's diverse portfolio of work spans defense, intelligence, civil, and health markets, positioning it as a key partner in supporting critical government missions and initiatives.
Through its federal contract awards, Leidos has provided an extensive array of goods and services to various agencies. For the Defense Health Agency, Leidos has supported medical research programs, including studies on traumatic brain injury, psychological health, cancer, and rare diseases. The company has also delivered IT and engineering support for the Department of the Air Force, including F-16 AIS/PSI engineering services. For the Naval Sea Systems Command, Leidos has supplied towed array parts, acoustic hoses, and other specialized naval equipment. The company has supported environmental restoration and remediation efforts for the Army Corps of Engineers, conducting site assessments and feasibility studies for hazardous waste cleanup. Leidos has also provided IT consolidation services for Air Force headquarters, oceanographic support for the Naval Meteorology and Oceanography Command, and litigation support services for the Department of Justice. These contracts demonstrate Leidos' versatility in delivering technical, scientific, and administrative solutions across diverse federal sectors.
While Leidos primarily engages in federal contracting, the company has also participated in some grant-funded research activities. One notable example is a subgrant award from the University of North Dakota for a NASA-funded project titled "Estimating Nocturnal Aerosol Optical Depth Using NASA's Black Marble." This work likely involves leveraging Leidos' expertise in data analysis and earth observation technologies to support scientific research in atmospheric studies. Although grant activities appear to be less prevalent in Leidos' federal engagement compared to contracts, this example showcases the company's capability to contribute to academic and scientific research initiatives in collaboration with universities and federal agencies like NASA.
Leidos holds several significant Indefinite Delivery Vehicles (IDVs) that enable it to provide a broad spectrum of services to federal agencies. The company was awarded a $478 million multiple-award IDC by NASA's Johnson Space Center for the Research, Integration, and Mission Integration Services 2 (REMIS2) program, focusing on spaceflight hardware, software, and mission integration services for the International Space Station. The U.S. Army Corps of Engineers Baltimore District granted Leidos a $200 million IDIQ contract for environmental services related to hazardous, toxic, and radioactive waste projects. The Defense Health Agency awarded Leidos a $102 million single-award IDC for meeting, programmatic, and administrative support services for the Congressionally Directed Medical Research Programs. Additionally, Leidos secured a $45 million multiple-award task order contract from the Army Corps of Engineers for architect-engineer environmental services. These IDVs position Leidos to continue providing critical support across various federal agencies, encompassing areas such as space operations, environmental remediation, medical research, and engineering services.
QLNMVC12KWY3 541715
Not listed 1750 Presidents St Fl 10, Reston, VA 20190, USA
1/5/10 5/30/25 Aptim Federal Services, LLC
Aptim Federal Services, LLC is a global industry leader specializing in critical infrastructure, resilience, environmental services, and energy solutions. The company provides a wide range of services to the U.S. federal government, including environmental remediation, facilities engineering, disaster response, and fuel infrastructure support. With over 4,000 employees worldwide, Aptim Federal Services has extensive experience delivering specialized services to various federal agencies, including the Environmental Protection Agency (EPA), Department of Defense (DoD), Army Corps of Engineers, and Department of the Interior.
Through prime and subcontract awards, Aptim Federal Services has provided diverse services across multiple agencies. For the EPA, the company has conducted water quality modeling, decontamination of water infrastructure, and analytical laboratory support. DoD contracts have included environmental sampling and testing at military installations, hazardous waste management, and fuel tank repairs. The company has also performed remedial investigations and feasibility studies for the Army Corps of Engineers at various sites. Aptim has supported the Federal Emergency Management Agency (FEMA) with disaster relief efforts, including the installation and maintenance of temporary housing units. Notable subcontract work includes environmental restoration consulting, risk assessment services, and fuel system repairs for prime contractors such as Consolidated Nuclear Security, LLC and Weston Solutions Inc.
Aptim Federal Services holds several significant Indefinite Delivery Vehicles (IDVs) with federal agencies. The company has a $26 million single-award IDC with the EPA for operations and technical support services at research facilities. A $245 million multiple-award IDC with the Army Corps of Engineers covers architect-engineer services, contingency construction, and environmental remediation. Aptim also holds an $800 million multiple-award IDC for aqueous film forming foam support services with the Army Corps of Engineers. The Naval Facilities Engineering Command awarded Aptim a $49.9 million single-award IDC for environmental laboratory services. Additionally, the company has a $500 million multiple-award IDC with the Defense Logistics Agency Energy for worldwide fuels infrastructure architect-engineer services, and a $1.136 billion multiple-award IDC with the Army Corps of Engineers for chemical, environmental, and munitions response services.
JT9NZ8J1KQF5 562910
Not listed 1200 Brickyard Ln Suite 202, Baton Rouge, LA 70802, USA
6/4/02 1/8/26