Mantech Advanced Systems International, Inc.
Mantech Advanced Systems International, Inc. is a subsidiary of ManTech International Corporation, providing a wide range of technology solutions and services to support national security missions across the U.S. government. The company specializes in areas such as systems engineering, software development, cybersecurity, and program management for defense, intelligence, and federal civilian agencies. As a large business prime contractor, Mantech holds numerous contract vehicles and has received substantial federal contract awards to deliver specialized expertise and technical capabilities to government customers. The company's work spans critical domains including IT modernization, enterprise IT, mission software systems, analytics, defense, and federal civilian solutions.
Through its prime and subcontract awards, Mantech has provided diverse services including engineering support for naval aviation programs, IT operations and maintenance for transportation security systems, cybersecurity monitoring for the Department of Justice, and data readiness services for defense artificial intelligence initiatives. The company has secured major contracts with agencies such as the Navy, Air Force, Defense Health Agency, and Department of Homeland Security. Notable awards include a $622 million task order for training-related services from the Army, a $261 million order for technical support to Air Force combat and spectrum warfare operations, and multiple task orders exceeding $10 million each for IT support to agencies like the Consumer Financial Protection Bureau. Mantech frequently partners with other large contractors like Booz Allen Hamilton and SAIC, as well as small businesses, to deliver comprehensive solutions. These awards typically do not have set-aside designations, as Mantech competes as a large business.
Mantech's involvement in federal grant programs appears more limited, with most activity occurring as a subrecipient. The company has provided natural resource management and conservation services at Vandenberg Air Force Base through subgrants from Colorado State University. This work included tasks such as threatened and endangered species management, habitat restoration, invasive species control, and wetland monitoring in support of the base's Integrated Natural Resources Management Plan. Mantech's role involved making programmatic decisions and recommendations based on their expertise with the base's ecosystems, coordinating directly with Air Force personnel, and adhering to federal regulations governing species and habitat management on military lands. The company has also provided software and system maintenance for civil registration programs at the state level, supporting public health initiatives funded by federal grants.
Mantech holds several significant Indefinite Delivery Vehicles (IDVs) that enable it to compete for and receive task orders across multiple agencies. These include a $900 million IDIQ with the Air Force Life Cycle Management Center for engineering and simulation services, a $487 million Blanket Purchase Agreement with the Department of Justice for IT support services, and a $250 million contract with the Naval Air Warfare Center for rapid prototyping and systems integration. The company is also a holder of government-wide acquisition contracts like Alliant II and ASTRO, allowing it to provide IT and engineering services across federal agencies. Additionally, Mantech was awarded positions on the $60.7 billion VA T4NG2 contract for health IT solutions and a $4.5 billion Air Force contract for security services supporting special access programs. These vehicles demonstrate Mantech's broad capabilities and strong positioning to support diverse government requirements in technology, engineering, and mission support services.
JY2BDT2K58Z6 541512
Not listed 2251 Corporate Park Dr, Herndon, VA 20171, USA
4/11/02 11/6/25 Leidos, Inc.
Leidos, Inc. Government Contract Support Center Division, operating under the GSA Schedule for Surveillance and Reconnaissance, is a major provider of information technology, engineering, and science solutions to the U.S. federal government. As a subsidiary of Leidos Holdings, Inc., the company leverages its extensive experience to deliver a wide range of services across multiple sectors, including defense, intelligence, homeland security, and health. Leidos specializes in developing and implementing advanced technologies, systems integration, and professional services that address complex challenges faced by government agencies. The company's expertise spans areas such as cybersecurity, data analytics, software development, and mission-critical systems support.
Through its federal contract awards, Leidos has provided an array of goods and services to various agencies. Notable projects include the development and maintenance of the Armed Forces Health Longitudinal Technology Application (AHLTA) and Composite Health Care System (CHCS) for the Defense Health Agency, supporting critical electronic health record systems for the military. The company has also delivered cybersecurity operations support for the U.S. Mint, advanced molecular detection scientific computing services for the Centers for Disease Control and Prevention, and traveler processing and vetting software for Customs and Border Protection. Leidos has been involved in numerous IT modernization efforts, including projects for the Federal Trade Commission, Department of Housing and Urban Development, and National Institutes of Health. The company's work spans diverse areas such as surveillance systems, cryptologic logistics, data warehousing, and clinical trials information management. While most of Leidos' contracts do not have set-aside designations, the company often partners with small businesses and other subcontractors to deliver comprehensive solutions.
Leidos holds several significant Indefinite Delivery Vehicles (IDVs) that facilitate its extensive work with federal agencies. The company has a $970 million Blanket Purchase Agreement (BPA) with Customs and Border Protection for traveler processing and vetting services, allowing for the issuance of task orders ranging from $12.1 million to $220 million. Leidos also holds multiple IDVs with the Department of Homeland Security for high-energy rail inspection systems and multi-energy portal systems, with potential values of $379 million and $480 million respectively. These contracts support border security efforts through the provision of advanced scanning and detection technologies. Additionally, Leidos has been awarded BPAs by the Department of Health and Human Services for IT systems lifecycle development and management support, as well as by the Department of Justice for data analytic solutions. These IDVs, along with Leidos' position on the GSA Multiple Award Schedule, enable the company to provide a broad spectrum of services to federal agencies efficiently and effectively.
JSTDGZNFP4A3 541715
Not listed 1750 Presidents St Fl 5, Reston, VA 20190, USA
3/10/11 12/5/25 General Dynamics Information Technology, Inc.
General Dynamics Information Technology, Inc., a division of CSRA LLC doing business as SRA International, Inc., is a provider of information technology services and solutions to U.S. federal government agencies. As a major contractor, General Dynamics Information Technology supports a wide range of federal operations with expertise in IT infrastructure, cybersecurity, data analytics, systems development and integration, and other areas.
Through prime and subcontract awards, General Dynamics Information Technology has provided a variety of IT services to the Department of Defense, Department of Homeland Security, Department of Health and Human Services, and other federal entities. These have encompassed systems development, software maintenance, IT project management, engineering services, telecommunications support, and other areas. Major contract vehicles have included the CIO-SP3 Governmentwide Acquisition Contract (GWAC), the SeaPort-e multiple award contract, and GSA Schedule 70. Awards have supported military health systems, personnel databases for the Defense Department, immigration application processing, and modernization of FDA regulatory tracking systems.
No federal grant subawards for General Dynamics Information Technology were listed.
As a prime contractor, General Dynamics Information Technology holds a $121 million single award blanket purchase agreement with the Food and Drug Administration to provide operations, maintenance, development and modernization services for the FDA's Document Archiving, Reporting, and Regulatory Tracking System. This BPA was transferred from GSA FEDSIM to GSA Region 9 and continues to provide critical IT capabilities to support the FDA's regulatory review and compliance activities.
NYM8TAUFLXP3 541511
Not listed 15036 Conference Center Dr, Chantilly, VA 20151, USA
12/4/01 12/11/25