CACI International
Signals intelligence, cyber, C3I, counter-UAS, and enterprise IT for national security.
CACI International began in 1962 as California Analysis Center, founded by Herb Karr and Harry Markowitz, the economist who later won a Nobel Prize for portfolio theory, to commercialize a simulation programming language called SIMSCRIPT out of the RAND Corporation's orbit. Six decades later it has become one of the larger pure play government technology contractors, headquartered in Reston, Virginia, trading on the New York Stock Exchange under CACI, and generating around 8.6 billion dollars in annual revenue with roughly 27,000 employees, nearly all of that revenue tied to US federal, defense, and intelligence customers. The company organizes its work into several overlapping capability areas rather than hardware product lines, since CACI does not build platforms so much as the sensors, software, and networks that plug into them. Its signals intelligence and electronic warfare business, built up through decades of work and acquisitions like Six3 Systems and SA Photonics, produces systems used for spectrum monitoring and expeditionary signals collection, an area CACI refers to internally as Spectrum Superiority.
C3I work covers command, control, communications, and intelligence systems that tie together sensors and decision makers across a battlespace, while a broader Mission and Engineering Support practice handles systems engineering, testing, and technical support across defense and intelligence programs. CACI's cyber business runs offensive and defensive operations, vulnerability research, and network defense work for military and intelligence customers, and its Digital Solutions and Enterprise IT practices modernize aging government systems, migrate agencies to the cloud, and build custom software, an area that increasingly folds in artificial intelligence and data analytics work. A newer Space practice supports satellite ground systems, payload data processing, and space domain awareness programs. On the hardware side, CACI has recently pushed into counter drone defense with SkyValor, a radio frequency based system for finding, tracking, and stopping hostile drones that the company has positioned for both military bases and border security missions, building on more than two decades of counter unmanned systems work.
Much of CACI's scale has come through acquisition rather than organic growth. Notable purchases include L-3 National Security Solutions in 2016, CSRA in 2018, and LGS Innovations in 2019, each of which added intelligence community relationships, cleared personnel, and specific technical capabilities the company otherwise would have taken years to build. That roll up strategy, pursued consistently since the early 2000s, has made CACI one of the more acquisitive companies in the government services sector even as it keeps a lower public profile than the platform manufacturing primes it sometimes partners with. Its customer base spans the Department of Defense, the intelligence community, the Department of Veterans Affairs, and other civilian agencies, and it has increasingly competed for large enterprise IT and modernization contracts alongside firms like Leidos and SAIC, while retaining a signals intelligence and electronic warfare niche that sets it apart from purely IT focused competitors.
- Signals intelligence and electronic warfare
- Command, control, communications and intelligence (C3I) systems
- Cyber operations
- Digital transformation and enterprise IT
- Counter-UAS systems
- Space ground systems support
- Systems engineering and mission support
Radio-frequency-based counter-UAS system for finding, tracking, and stopping hostile drones.
Signals intelligence and expeditionary spectrum monitoring systems.
Command, control, communications, and intelligence system integration.
Offensive and defensive cyber operations and network defense.
Cloud migration and custom software modernization for government agencies.
Legacy system modernization for federal customers.
Satellite ground systems and payload data processing support.
Systems engineering and technical support across defense and intelligence programs.
Export Control
ITAR · EAR
Programs & Platforms
$4,194,093,923 total contract value across 12 awards · $2,307,456,942 actually paid to date · Source: USASpending.gov
Contract value is total awarded ceiling, including option years that may never be exercised — not a single-year budget figure.
- naics 334511Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument ManufacturingPRIMARY
- naics 541512Computer Systems Design Services
- psc 5865Electronic Countermeasures and Quick Reaction Capability
- psc D307IT and Telecom — IT Strategy and Architecture
- naics 541990All Other Professional, Scientific, and Technical Services
- psc AC12National Defense R&D Services
- psc R425Engineering and Technical Services
- naics 541519Other Computer Related Services
- psc D310IT and Telecom- Cyber Security and Data Backup
- naics 336414Guided Missile and Space Vehicle Manufacturing
- psc 1440Launchers, Guided Missile
Reston, VA, USA
Ownership
Publicly traded · NYSE: CACI
Annual Revenue
$8.6B (FY2025)