Amentum Holdings, Inc.

Amentum Holdings, Inc. is a global leader in advanced engineering and technology solutions, primarily serving the U.S. government and its allies, alongside international and commercial clients. The company's mission is to deliver advanced engineering and technology solutions to address significant challenges in science, security, and sustainability. Headquartered in Chantilly, Virginia, Amentum operates as a critical partner across various sectors.

Amentum's comprehensive service offerings include program management, environmental stewardship, training, logistics, consulting, systems engineering, and cutting-edge information technology. The company specializes in critical programs within national security, defense, intelligence, energy, environment, and space markets. Key capabilities span nuclear security and deterrence, C5ISR (Command, Control, Communications, Computers, Combat Systems, Intelligence, Surveillance, and Reconnaissance) Systems Engineering & Sustainment, Unmanned Aerial Systems (UAS) Engineering & Sustainment, Global Logistics & Supply Chain Management, and environmental remediation. Amentum also provides significant support for space operations, notably for NASA's Artemis program.

Led by CEO John Heller, Amentum has recently undergone significant strategic developments. In March 2024, the company completed a merger with Jacobs Solutions' Critical Mission Solutions and Cyber and Intelligence businesses. Following this, Amentum became a publicly traded company on the NYSE under the ticker symbol AMTM and was included in the S&P 500 in September 2024. The company plays a pivotal role in high-profile projects, such as providing ground systems operations for NASA's Artemis II mission and securing a $112 million nuclear decommissioning contract in Europe in March 2026. Amentum is recognized as the second-largest government services contractor (excluding equipment production) in the U.S. market and employs approximately 50,000 to 53,000 professionals across more than 70 countries.