Parsons Government Services Inc.
Parsons Government Services Inc., doing business as Parsons, is a leading provider of professional and technical services to various U.S. federal government agencies. As a subsidiary of Parsons Corporation, the company specializes in delivering innovative solutions in areas such as national security, defense, and global infrastructure. Parsons leverages advanced technologies like artificial intelligence and machine learning to offer a wide range of services, including engineering, construction, program management, environmental remediation, cybersecurity, and software development. The company has established itself as a key partner for government agencies seeking expertise in complex technical and operational challenges, positioning itself as a digitally-enabled solutions provider.
Through its numerous prime and subcontract awards, Parsons Government Services has supported diverse missions across multiple federal agencies. Notable projects include developing a Predictive Combat Power Prototype for the Army, providing vulnerability assessment support for the Defense Threat Reduction Agency, and delivering systems engineering and integration services for the Space and Missile Systems Center. The company has also supported agencies like NASA, the Department of Homeland Security, and the Federal Emergency Management Agency in areas ranging from satellite operations to COVID-19 response efforts. Parsons' work spans various technical domains, including electronic warfare, biometrics, infrastructure modernization, and space systems development. Recent contract awards highlight the company's involvement in projects such as environmental remediation for the Army Corps of Engineers, construction management services for the Naval Facilities Engineering Command, and research support for the Office of Naval Research. These contracts demonstrate Parsons' versatility in meeting diverse government requirements across defense and civilian sectors.
Parsons Government Services holds several significant Indefinite Delivery Vehicles (IDVs) that facilitate the rapid acquisition of its services across the federal landscape. These include the $869 million Scientific, Technical, Engineering and Program Support Services (STEPSS) contract for the Army, which covers a wide range of research, development, and engineering services. The company also holds a $850 million Assessment, Exercise, and Modeling and Simulation Support (AEMSS) contract with the Defense Threat Reduction Agency, providing services such as vulnerability assessments and exercise planning. Additionally, Parsons has been awarded multiple ASTRO contracts for platform-related services, enabling various agencies to issue task orders for professional services ranging from research and development to systems integration. Other notable IDVs include contracts with the Air Force for architect-engineering services, the Army Corps of Engineers for environmental remediation, and the National Nuclear Security Administration for infrastructure modernization support. These vehicles allow Parsons to provide a broad spectrum of services across multiple federal agencies, showcasing its expertise in areas such as national security, defense, and critical infrastructure.
NMBCAG1JBKL7 541330
Not listed 5875 Trinity Pkwy #230, Centreville, VA 20120, USA
1/14/02 11/20/25 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 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 2/13/26 Hydrogeologic, Inc.
Hydrogeologic, Inc., doing business as Hydrogeologic Inc., is a minority-owned, Asian-Pacific American owned small business that provides environmental science, engineering, and construction services to federal government agencies. The company specializes in assessing and remediating contaminated sites, offering a wide range of services including groundwater and soil treatment, unexploded ordnance removal, landfill remediation, and environmental compliance activities. With over 35 years of experience, Hydrogeologic has established itself as a key contractor for agencies such as the Environmental Protection Agency (EPA), Department of Defense (DoD), Army Corps of Engineers, and NASA, supporting various environmental restoration and compliance programs.
Through its prime and subcontract awards, Hydrogeologic has performed diverse environmental remediation projects across the United States and its territories. The company has conducted remedial investigations, feasibility studies, and remedial designs at numerous Superfund sites for the EPA, addressing complex contamination issues. For the DoD, Hydrogeologic has provided military munitions response services, including the removal of unexploded ordnance and remediation of former defense sites. The firm has also supported NASA with environmental restoration activities at multiple space centers. Hydrogeologic frequently partners with other contractors, serving both as a prime and subcontractor on large-scale environmental projects. Many of its contract awards have been designated as small business set-asides, reflecting its status as a small, minority-owned business.
Hydrogeologic holds several significant indefinite-delivery/indefinite-quantity (IDIQ) contracts that demonstrate its broad capabilities in environmental services. These include the $400 million Multiple Environmental Government Acquisition - Small Business Military Munitions Response Program contract with the Army Corps of Engineers, supporting cleanup of contamination from past military activities. The company also holds a position on the $1.136 billion SEER Chemical, Environmental, and Munitions Contract for the Army Corps, providing munitions response and environmental remediation services nationwide. For NASA, Hydrogeologic is part of the $375 million NASA Environmental Restoration and Compliance Contract, supporting environmental efforts across NASA facilities. Other notable IDVs include contracts for emerging environmental requirements, quality assurance services, and regional environmental remediation efforts for various DoD and civilian agencies. These contract vehicles allow Hydrogeologic to provide a wide array of environmental assessment, cleanup, and compliance services to federal clients on an as-needed basis.
S7Q4GKNGGA81 562910
Not listed 11107 Sunset Hills Rd #400, Reston, VA 20190, USA
2/14/02 1/6/26 Weston-Eoti, Llc, A Joint Venture
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JM4ZJCWM99Z3 562910
Not listed 1400 Weston Way, West Chester, PA 19380, USA
10/1/14 7/5/25