Parsons Government Services Inc.
Parsons Government Services Inc., doing business as Parsons, is a subsidiary of Parsons Corporation, a global engineering, construction, and technology services company that provides comprehensive professional and technical services to various U.S. federal government agencies. The company specializes in delivering innovative solutions across critical infrastructure, national security, defense, and advanced technology domains, leveraging expertise in areas such as engineering, construction, program management, environmental remediation, cybersecurity, and software development. As a for-profit organization and manufacturer of goods, Parsons Government Services Inc. supports multiple federal agencies through prime and subcontract awards, offering a wide range of specialized services that address complex technological and operational challenges.
Through its federal contract awards, Parsons Government Services Inc. has demonstrated extensive capabilities across multiple sectors, including environmental remediation, construction management, research and development, cybersecurity, and technical support services. The company has received contracts from numerous federal agencies such as the Department of Defense, National Nuclear Security Administration, EPA, Air Force, Navy, Homeland Security, and various research institutions. Contract awards have covered diverse projects including environmental site assessments, hazardous waste remediation, construction management for military facilities, cybersecurity support, biometric systems development, infrastructure modernization, and specialized research initiatives. While most contracts were not set aside for specific business categories, Parsons has frequently utilized small business subcontractors like Mantech Advanced Systems International, Booz Allen Hamilton, and Radiance Technologies to support its prime contract work.
Parsons Government Services Inc. holds several significant Indefinite Delivery Vehicle (IDV) contracts that enable rapid service acquisition across federal agencies. Notable IDVs include the $999.9 billion ONE ACQUISITION SOLUTION FOR INTEGRATED SERVICES PLUS (OASIS+) Unrestricted Multiple Agency Contract, the $900 million Air Force Life Cycle Management Center contract, and the $464 million Environmental Remediation Services MAIDIQ (ERMA) contract. These contracts span multiple service categories, including environmental remediation, systems development, engineering support, research and development, and critical infrastructure services. Task orders have been issued by agencies like the Army Corps of Engineers, Defense Threat Reduction Agency, Air Force Civil Engineer Center, and National Nuclear Security Administration, covering work such as architectural and engineering services, environmental cleanup, technology prototyping, and specialized technical support across defense, civilian, and national security domains.
NMBCAG1JBKL7 541330
Not listed 5875 Trinity Pkwy #230, Centreville, VA 20120, USA
1/14/02 11/20/25 Weston Solutions Inc.
Weston Solutions Inc. is a national environmental and infrastructure services firm headquartered in West Chester, Pennsylvania, specializing in comprehensive technical, environmental, and infrastructure solutions for federal agencies. As a subsidiary of Weston Solutions Holdings, Inc., the company provides a wide range of services including environmental remediation, site assessment, emergency response, infrastructure repair, and technical support across multiple sectors of government. With over 60 years of experience, Weston Solutions Inc. has established itself as a key contractor for federal agencies, delivering complex environmental cleanup, infrastructure development, and technical engineering services.
Through its federal contract awards, Weston Solutions Inc. has demonstrated extensive capabilities in environmental remediation, emergency response, and infrastructure services across multiple agencies. The company has been awarded numerous prime and subcontract awards from agencies like the Environmental Protection Agency (EPA), U.S. Army Corps of Engineers, and Defense Logistics Agency. These contracts have included time-critical removal actions at contaminated sites, site assessments for Superfund programs, oil spill response, lead and hazardous materials sampling, facility infrastructure repairs, and technical support for emergency response teams. While most of its contracts do not have specific set-aside designations, Weston Solutions frequently subcontracts with small disadvantaged businesses, women-owned small businesses, and service-disabled veteran-owned small businesses to support its prime contract work.
Weston Solutions Inc. holds several significant indefinite-delivery/indefinite-quantity (IDIQ) contract vehicles across multiple federal agencies. These include a $59.7 million single-award EPA Region 6 Superfund Technical Assessment and Response Team (START) V contract, a $240 million U.S. Army Corps of Engineers environmental remediation services contract, a $500 million Air Force IDIQ for petroleum, oil, and lubricant facility design services, and a $150 million Army Corps of Engineers defense bulk fuels materials contract. The company also holds a $2.5 billion Department of Defense multiple award task order contract for worldwide petroleum, oil, and lubricant systems construction and repair services, and a $999 billion General Services Administration OASIS+ Unrestricted Multiple Agency Contract for integrated services. These IDVs enable Weston Solutions to provide a comprehensive range of environmental, infrastructure, and technical services to federal agencies through task order awards.
Z4XGALW7L9K6 541330
Not listed 1400 Weston Way, West Chester, PA 19380, USA
3/15/02 6/1/26 EA Engineering, Science, And Technology, Inc., PBC
EA Engineering, Science, And Technology, Inc., PBC is an employee-owned public benefit corporation headquartered in Hunt Valley, Maryland, that provides comprehensive environmental consulting, engineering, and scientific services to federal government agencies. As a for-profit environmental services firm, the company specializes in environmental remediation, assessment, compliance, engineering solutions, and technical support across multiple sectors. The company is registered in SAM.gov, has been active since 2002, and holds multiple Indefinite Delivery Contracts (IDCs) with federal agencies, positioning itself as a critical provider of environmental services for government clients.
Through federal contract awards, EA Engineering has demonstrated extensive expertise in environmental remediation, site assessment, and technical support across diverse federal agencies. The company performs complex environmental services for agencies like the Environmental Protection Agency (EPA), Department of Defense (DoD), Army Corps of Engineers, and National Park Service. Contract work includes remedial investigations, feasibility studies, contaminated site characterization, long-term monitoring, per- and polyfluoroalkyl substances (PFAS) assessments, and environmental restoration projects at military installations, Superfund sites, and other federal properties. The company has been awarded both set-aside and non-set-aside contracts, with many awards falling under multiple Indefinite Delivery Contract vehicles, such as EPA Remedial Acquisition Framework, NAVFAC environmental contracts, and USACE environmental service contracts.
EA Engineering's federal grant awards focus on innovative environmental and infrastructure resilience projects. Most notably, the company was awarded a $3,810,000 cooperative agreement from the Department of Defense's Office of the Secretary of Defense to support installation planning, project design, and implementation of nature-based solutions. The grant aims to increase the resilience of DoD built and natural infrastructure and address climate-driven risks to natural or cultural resources. The cooperative agreement specifically supports creek stabilization, erosion control, and assessment of environmental threats to mission sustainment and sensitive ecological systems.
The company holds several significant Indefinite Delivery Contracts across multiple federal agencies, including a $960 million Great Lakes National Program Office Remediation and Restoration Services II contract with EPA Region 5, a $240 million NAVFAC environmental remedial action services contract, a $245 million Army Corps of Engineers environmental remediation contract, and multiple OASIS+ contract vehicles. These IDVs enable EA Engineering to compete for and receive task orders for environmental services across various programs, including Superfund site investigations, Defense Environmental Restoration, Military Munitions Response, and environmental compliance projects. The contracts span multiple set-aside categories, including total small business and partial small business designations, and cover a wide geographic range from coastal regions to inland territories.
LEEMJD9WKDC9 562910
Not listed 225 Schilling Cir #400, Hunt Valley, MD 21031, USA
3/13/02 6/10/26 Sundance-Cti Affiliates, LLC
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YLUKZBNQHFG4 562910
Not listed 333 S Main St Suite 20, Pocatello, ID 83204, USA
11/6/20 4/22/26 Tetra Tech, Inc.
Tetra Tech, Inc. is a global consulting and engineering services firm specializing in environmental assessment, compliance, and remediation services for federal agencies. Headquartered in Oakland, California, the company is registered in SAM.gov as a for-profit corporate entity with a focus on providing technical and environmental solutions across multiple sectors. As a large business federal contractor, Tetra Tech works extensively with agencies like the Environmental Protection Agency (EPA), U.S. Army Corps of Engineers, and Department of Veterans Affairs, delivering comprehensive environmental engineering, assessment, and remediation services that address complex environmental challenges.
The federal contract awards demonstrate Tetra Tech's extensive capabilities in environmental remediation, particularly in uranium mine assessment and cleanup on the Navajo Nation. The majority of their recent contracts are with EPA Region 9, focusing on abandoned uranium mine site evaluations, engineering evaluations, cost analyses, removal site assessments, and technical support for cleanup efforts. These contracts consistently involve time and materials delivery orders that require technical design services, planning, cleanup verification, community outreach, and interim removal actions. Tetra Tech frequently utilizes subcontractors including minority-owned and small businesses like Environmental Restoration Group, Iina Ba Inc., and Validata Chemical Services to support these complex environmental projects. None of their contracts have small business set-aside designations, reflecting their status as a large business contractor.
Tetra Tech holds two significant Indefinite Delivery/Indefinite Quantity (IDIQ) contracts that underpin their federal work. The primary contract is the $65 million Navajo Area Uranium Mines Response Assessment and Evaluation Services II (NAUMRAES II) with EPA Region 9, which provides technical assessment services for investigating and remediating abandoned uranium mines in Navajo Nation regions. The second is a $50 million Environmental Remediation Services Multiple Award Task Order Contract (MATOC) with the U.S. Army Corps of Engineers Albuquerque District, covering environmental remediation services for Formerly Used Defense Sites. These IDIQ contracts enable Tetra Tech to provide a wide range of environmental services, including site investigations, remedial actions, compliance activities, and technical support across multiple federal agency programs, with task orders spanning complex environmental assessment and cleanup projects.
J8CNBANBZ6U8 541620
Not listed 1999 Harrison St #500, Oakland, CA 94612, USA
10/31/01 6/27/26