Leidos Holdings, Inc., together with its subsidiaries, provides services and solutions in the defense, intelligence, civil, and health markets in the United States and internationally. The company operates through Defense Solutions, Civil, and Health segments. The Defense Solutions segment offers national security solutions and systems for air, land, sea, space, and cyberspace for the U.S. Intelligence Community, the Department of Defense, the space development agency, the National Aeronautics and Space Administration, defense information systems agency, military services, and government agencies of U.S. allies abroad, as well as other federal and commercial customers in the national security industry. The solutions include technology, large-scale systems, command and control platforms, data analytics, logistics, and cybersecurity solutions, as well as intelligence analysis and operations support services to critical missions. The Civil segment provides systems integration services to air navigation service providers, including the federal aviation administration, the En route automation modernization, advanced technology oceanic procedure, time based flow management, terminal flight data management, geo-7, and future flight services, as well as enterprise-information display systems; and security detection services. It also offers information technology (IT) solutions in cloud computing, mobility, application modernization, DevOps, data center, network modernization, asset management, help desk operations, and digital workplace enablement; and environment, energy, and infrastructure services. The Health segment offers solutions to federal and commercial customers responsible for health and well-being of people, include health information management, managed health, digital modernization, and life sciences research and development services. Leidos Holdings, Inc. was founded in 1969 and is headquartered in Reston, Virginia.

Booz Allen Hamilton Holding Corporation provides management and technology consulting, analytics, engineering, digital solutions, mission operations, and cyber services to governments, corporations, and not-for-profit organizations in the United States and internationally. It focuses on artificial intelligence services comprising of machine learning, predictive modeling, automation and decision analytics, and quantum computing. The company offers artificial intelligence, machine learning, and computer network related operations. In addition, it provides data science, engineering, visualization, and analysis related capabilities. Further, the company engages in user experience, user interface, graphic and web design, design thinking, sketching, and digital product design capabilities. Additionally, it architects and engineers help accelerate, scale, secure, and transform mission and business outcomes using the technologies and partner offering; offers software engineering in agile practices, DevSecOps, automation and Cloud, and Low/No Code Platform engineering; systems and digital engineering; and tech strategy and product management. Booz Allen Hamilton Holding Corporation was founded in 1914 and is headquartered in McLean, Virginia.

CACI International Inc, through its subsidiaries, engages in the provision of expertise and technology to enterprise and mission customers in support of national security in the intelligence, defense, and federal civilian sectors. The company operates through two segments, Domestic Operations and International Operations. The Domestic Operations segment offers digital solutions by modernizing enterprise and agency-unique applications, enterprise infrastructure, and business processes; C4ISR solutions, including command, control, communications, and computer (C4), as well as intelligence, surveillance, and reconnaissance (ISR) technology and networks; and cyber solutions for cybersecurity, cyberspace, electronic warfare, and signals intelligence operations. This segment also provides space solutions, comprising intelligence fusion, data analytic, and decision support, as well as logistics solutions; engineering services, such as platform integration, modernization and sustainment, system engineering, naval architecture, training and simulation, and logistics engineering; design, implement, protect, and manage secure enterprise IT solutions for federal agencies; and mission support solutions, that include analytic services, as well as scenario-based instruction across the spectrum of intelligence processing, collection, and products. The International Operations segment provides a range of IT services, proprietary data, and software products to the commercial and government customers in the United Kingdom, continental Europe, and internationally. The company was founded in 1962 and is headquartered in Reston, Virginia.

Parsons Corporation provides integrated solutions and services in the defense, intelligence, and critical infrastructure markets in North America, the Middle East, and internationally. The company operates through Federal Solutions and Critical Infrastructure segments. The Federal Solutions segment provides critical technologies, such as cybersecurity; missile defense; intelligence; space launch and ground systems; space and weapon system resiliency; geospatial intelligence; signals intelligence; environmental remediation; border security, critical infrastructure protection; counter unmanned air systems; biometrics and bio surveillance solutions to U.S. Department of Defense, including military services; Missile Defense Agency, the Department of Energy; the Department of State; the Department of Homeland Security, and the Federal Aviation Administration. The Critical Infrastructure segment provides management, design, and engineering services, as well as offers leveraging sensor solutions. This segment develops digital solutions for next generation aviation, rail and transit, bridges, roads, and highways; and provides water and wastewater treatment systems; AI/ML, and digital twin and cyber systems integration services; planning, engineering, and management services for infrastructure, including bridges and tunnels, roads and highways, water and wastewater, and dams and reservoirs. Parsons Corporation was founded in 1944 and is headquartered in Chantilly, Virginia.

KBR, Inc. provides scientific, technology, and engineering solutions to governments and commercial customers worldwide. It operates through Government Solutions and Sustainable Technology Solutions segments. The Government Solutions segment offers life-cycle support solutions to defense, intelligence, space, aviation, and other programs and missions for military and other government agencies in the United States, the United Kingdom, and Australia. Its services cover research and development, advanced prototyping, acquisition support, systems engineering, cyber analytics, space domain awareness, test and evaluation, systems integration and program management, global supply chain management, and operations readiness and support, as well as command, control, communications, computers, intelligence, surveillance, and reconnaissance services. This segment also provides various professional advisory services to the defense, renewable energy, and critical infrastructure sectors. The Sustainable Technology Solutions segment operates portfolio of various proprietary process technologies for ammonia/syngas, chemical/petrochemicals, clean refining, and circular process/circular economy solutions. This segment also provides synergistic services, including advisory and consulting focused on broad-based energy transition and net-zero carbon emission solutions; high-end engineering, design and program management centered around decarbonization, energy efficiency, environmental impact and asset optimization; and digitally-enabled operating and monitoring solutions. KBR, Inc. was founded in 1901 and is headquartered in Houston, Texas.

Science Applications International Corporation provides technical, engineering, and enterprise information technology (IT) services primarily in the United States. The company's offerings include IT modernization; digital engineering; artificial intelligence; Weapon systems support design, build, modify, integrate, and sustain weapon systems; and end-to-end services, such as design, development, integration, deployment, management and operations, sustainment, and security of its customers' IT infrastructure, as well as training and simulation and ground vehicles support which integrates, modify, upgrades, and sustains ground vehicles for nation's armed forces. It serves the U.S. army and navy; air force, other Department of Defense and Federal Government; joint commands and space force; federal civilian agencies; health services; and space industries. The company was formerly known as SAIC Gemini, Inc. and changed its name to Science Applications International Corporation in September 2013. Science Applications International Corporation was founded in 1969 and is headquartered in Reston, Virginia.

Tenable Holdings, Inc. provides cyber exposure solutions for in the Americas, Europe, the Middle East, Africa, the Asia Pacific, and Japan. Its platforms include Tenable Vulnerability Management, a cloud-delivered software as a service that provides organizations with a risk-based view of traditional and modern attack surfaces; Tenable Cloud Security, a cloud-native cloud security solutions for security teams to continuously assess the security posture; Tenable Identity Exposure, a solution to secure Active Directory environments; Tenable Web App Scanning, which provides scanning for modern web applications; Tenable Lumin Exposure View, a measurement tool; Tenable Attack Surface Management, an external attack surface management solution; Tenable Security Center, an on-premises solution that provides a risk-based view of an organization's IT, security and compliance posture; and Tenable OT Security, an operational technology security solution which provides threat detection, asset tracking, vulnerability management, and configuration control capabilities. The company also offers Nessus, a vulnerability assessment solution for cybersecurity industry and enterprise platform; and Nessus Expert, that enables users to programmatically detect cloud infrastructure misconfigurations and vulnerabilities in the design and build phase. Tenable Holdings, Inc. was founded in 2002 and is headquartered in Columbia, Maryland.

V2X, Inc. provides critical mission solutions and support services to defense clients worldwide. It offers a suite of integrated solutions across the operations and logistics, aerospace, training, and technology markets to national security, defense, civilian, and international clients. The company was incorporated in 2014 and is headquartered in Reston, Virginia.