Expertise and Technology
for National Security
CACI delivers distinctive expertise and differentiated technology to U.S. government customers in support of critical national security missions in markets that matter.
Protecting our homeland
Our support to the Golden Dome initiative begins with the electromagnetic spectrum.
Enabling spectrum dominance on the battlefield
CACI’s TLS Manpack delivers modular, mission-ready EW capabilities that help power the Army’s CEMA mission.
Profiles of good character
De Borah Grant’s journey built on hard work and purpose has earned her the Presidential Lifetime Achievement Award.
Join one of America’s Most Trusted Companies
Unlock your limitless potential with a company that delivers excellence and innovation as a trusted partner.
CACI Reports Results for Its Fiscal 2025 Third Quarter and Raises Fiscal Year Guidance
CACI Wins Fourth Edison Award for CrossBeam, an American-made Optical Communications Terminal
CACI Awarded $66 Million Task Order to Provide Expertise to U.S. Navy Naval Surface Warfare Center (NSWC)
CACI Awarded $54 Million Task Order to Support the U.S. Army with Advanced Ground Sensors
Counter UxS
CACI delivers counter-unmanned systems (C-UxS) technologies enable decision superiority and ensure mission success across all domains. Our software-defined counter-unmanned system technologies provide force protection and deliver precision effects against advanced threats.
Network modernization
CACI modernizes end-to-end IT infrastructure to secure and deliver data with next-generation technology, optimizing efficiency, enhancing performance, and improving end user satisfaction. We renew and transform enterprise IT for the federal government.
Agile software development
Using Agile methodologies and advanced analytics, CACI modernizes government applications, infrastructure, and business processes to enhance performance and translate data into decisions.
Optical communications
CACI’s American-made optical communication, sensing, and processing technology enables the success of some of our nation’s most critical missions from the battlefield to deep space.
CACI is ever vigilant in delivering expertise and technology.
CACI was born out of a unique entrepreneurial spirit, the agility to anticipate and capitalize on emerging trends, and a relentless commitment to ethics, excellence, distinction, and innovation.
Our 25,000 talented and dynamic employees are ever vigilant in delivering distinctive expertise and technology to meet our customers’ greatest challenges in national security.
For more than 60 years, CACI, led by President and CEO John Mengucci, have been united by our vibrant culture, built on a strong foundation of integrity, good character, and steadfast dedication to meeting our nation’s highest priorities.

For more than 60 years, CACI, led by President and CEO John Mengucci, have been united by our vibrant culture, built on a strong foundation of integrity, good character, and steadfast dedication to meeting our nation’s highest priorities.
Our culture of good character, innovation, and excellence drives our success and earns us recognition as a FORTUNE World’s Most Admired Company, a Top Workplace USA, and a ‘Best for Vets’ Employer by Military Times, among much more.

Our culture of good character, innovation, and excellence drives our success and earns us recognition as a FORTUNE World’s Most Admired Company, a Top Workplace USA, and a ‘Best for Vets’ Employer by Military Times, among much more.
There are two pillars to CACl’s culture. The first is Character – our commitment to ethics and integrity in how we conduct business and treat one another. The second is Innovation – our dedication to advancement and excellence in all we do.

There are two pillars to CACl’s culture. The first is Character – our commitment to ethics and integrity in how we conduct business and treat one another. The second is Innovation – our dedication to advancement and excellence in all we do.
CACI is ever vigilant in delivering expertise and technology.
CACI was born out of a unique entrepreneurial spirit, the agility to anticipate and capitalize on emerging trends, and a relentless commitment to ethics, excellence, distinction, and innovation.
Our 25,000 talented and dynamic employees are ever vigilant in delivering distinctive expertise and technology to meet our customers’ greatest challenges in national security.
For more than 60 years, CACI, led by President and CEO John Mengucci, have been united by our vibrant culture, built on a strong foundation of integrity, good character, and steadfast dedication to meeting our nation’s highest priorities.

For more than 60 years, CACI, led by President and CEO John Mengucci, have been united by our vibrant culture, built on a strong foundation of integrity, good character, and steadfast dedication to meeting our nation’s highest priorities.
Our culture of good character, innovation, and excellence drives our success and earns us recognition as a FORTUNE World’s Most Admired Company, a Top Workplace USA, and a ‘Best for Vets’ Employer by Military Times, among much more.

Our culture of good character, innovation, and excellence drives our success and earns us recognition as a FORTUNE World’s Most Admired Company, a Top Workplace USA, and a ‘Best for Vets’ Employer by Military Times, among much more.
There are two pillars to CACl’s culture. The first is Character – our commitment to ethics and integrity in how we conduct business and treat one another. The second is Innovation – our dedication to advancement and excellence in all we do.

There are two pillars to CACl’s culture. The first is Character – our commitment to ethics and integrity in how we conduct business and treat one another. The second is Innovation – our dedication to advancement and excellence in all we do.