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 Del REY Systems & Technology, Inc.
Del REY Systems & Technology, Inc. is a small, service-disabled veteran-owned business that provides technology solutions and services to the Department of Defense and U.S. Navy. As a prime contractor, Del Rey has received delivery orders to provide mobile ordnance training, training support services, integrated logistics support for foreign military sales, and meteorological and oceanographic systems training. These services have been provided to Naval Air Systems Command and Naval Information Warfare Systems Command, with no set-aside designations on the awards.
As a subcontractor, Del Rey has supported contracts for technical, analytical, and managerial services to the Navy under Booz Allen Hamilton. Additional subcontracts have provided logistics and other services in support of prime contractors Scientific Research Corporation and Leidos.
Del Rey was also awarded a $30 million Federal Supply Schedule contract by the General Services Administration Federal Acquisition Service in 2023. Under this indefinite-delivery vehicle, the company provides a range of professional services including engineering, logistics, program management, and training. Labor categories span analysts, engineers, logisticians, project managers, and instructors, with hourly rates ranging from $48 to $135 based on role and experience. Services will be carried out at Del Rey's facilities in San Diego, Charleston, and elsewhere in the U.S. The schedule aims to streamline GSA's procurement of these support services across the agency. As a multiple award vehicle, task orders can also be competed between schedule holders to obtain best value.
JWY3HGAMRF25 541330
Not listed 9449 Balboa Ave #311, San Diego, CA 92123, USA
11/23/01 9/12/25 HII Mission Technologies Corp
HII Mission Technologies Corp is a division of Huntington Ingalls Industries, Inc., America's largest military shipbuilder and a major defense contractor. The company provides a wide range of professional services, training systems, unmanned systems, cybersecurity solutions, and other products to the Department of Defense and civilian agencies. Leveraging its expertise in naval engineering and systems integration, HII Mission Technologies delivers innovative solutions across various domains to support critical government missions. The company serves as both a prime contractor and subcontractor on numerous federal contracts, often participating in large indefinite delivery/indefinite quantity (IDIQ) vehicles.
HII Mission Technologies' federal contract awards span diverse areas, showcasing the company's broad capabilities. Notable contracts include a $249 million award from the Defense Security Cooperation Agency for cyber domain security training, a $15.3 million contract from the Marine Corps for CBRNE protection program support, and multiple awards for curriculum development and training services in support of global peacekeeping initiatives. The company also provides engineering services for unmanned maritime systems under an $18.2 million Navy contract and supports the Air Force's BIG SAFARI program through various delivery orders. HII Mission Technologies frequently collaborates with small businesses and disadvantaged entities as subcontractors, though most of its prime contracts are unrestricted with no set-aside designations. The company's work encompasses international training and education programs, cybersecurity support, unmanned systems development, and chemical, biological, radiological, and nuclear (CBRN) defense services for agencies such as the Defense Security Cooperation Agency, Department of the Navy, Air Force, and National Institute of Standards and Technology.
HII Mission Technologies holds several significant IDIV contracts that facilitate its broad range of services to the federal government. The company is a prime contractor on the $32.5 billion Training Systems Acquisition IV (TSA IV) multiple-award IDIQ, which supports the Air Force's procurement of training systems, sustainment, courseware development, and instruction through 2033. It also holds a position on the $906.5 million Joint Enterprise Contracted Logistics and Services Support Class II (JE-CLASS II) IDIQ, providing contractor logistics support for CBRN defense systems through 2027. Additionally, the company is part of the $249.7 million Unmanned Maritime Systems Support multiple-award IDIQ, offering a range of services for Navy unmanned systems through 2029. These vehicles, along with others like the $15 million Joint Artificial Intelligence Center Test and Evaluation BPA, allow HII Mission Technologies to rapidly respond to government requirements across critical domains such as training, logistics, unmanned systems, and artificial intelligence. Task orders under these IDVs have been awarded by various defense and civilian agencies, enabling the company to provide a diverse array of services and solutions to meet federal government needs.
HHT6NC9UT8Z5 541330
Not listed 6767 Old Madison Pike #670, Huntsville, AL 35806, USA
11/20/01 7/22/25 HII Mission Technologies Corp
Alion Science And Technology Corporation is a large engineering and technology company that provides a wide range of services to the U.S. federal government, primarily in support of defense and national security missions. As a subsidiary of Huntington Ingalls Industries, Inc., Alion specializes in research, development, test and evaluation (RDT&E), systems engineering, modeling and simulation, cybersecurity, and other advanced technical services. The company has received over $5 billion in prime federal contracts from agencies including the Departments of Defense, Air Force, Army, and Navy to support various programs involving aviation, surface warfare, weapons systems, communications, logistics, and training.
Alion's federal contract work spans numerous critical areas of defense technology and operations. Key services provided include engineering and integration for fighter aircraft and bomber programs, electromagnetic spectrum research and management, development of unmanned aircraft systems, counter-explosive hazard technologies, and advanced training simulators. The company has been awarded major contracts to support initiatives like the F-35 Lightning II Joint Program Office, Navy Continuous Training Environment, and Air Force spectrum management activities. Alion frequently leverages partnerships with subcontractors to deliver specialized equipment, software, and technical expertise. While most contracts are unrestricted awards, Alion occasionally subcontracts to small disadvantaged businesses. Primary customers include the Naval Sea Systems Command, Air Force Life Cycle Management Center, Office of the Secretary of Defense, and various research laboratories and warfare centers across the military branches.
Alion holds two significant indefinite delivery vehicle (IDV) contracts that allow it to compete for and receive task orders from defense agencies. The first is a $1 billion multiple-award Engineering, Procurement, Integration, and Contractor Logistics Support (EPIC) contract with the Air Force, running through 2034. This vehicle enables Alion to provide a broad scope of technical assessment, procurement, integration, and sustainment services. The second is a $50 million single-award IDV with the Naval Air Systems Command to deliver live, virtual, and constructive training and simulation systems through 2024. Under this contract, Alion designs, develops, modifies, and integrates advanced training capabilities for naval aviation and surface warfare applications. These IDVs position Alion as a key industry partner in supporting defense modernization and readiness initiatives across multiple domains.
GS7HBMNZEMK3 541611
Not listed 7501 S Quincy St suite 100, Willowbrook, IL 60527, USA
11/2/10 11/1/25