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 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 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