Amentum (NYSE:AMTM) (NYSE: AMTM) is a leading global provider of technical and management services, specializing in support solutions for government and commercial clients. Established in 2020 following the acquisition and rebranding of AECOM’s government services business, Amentum offers integrated mission support across defense, intelligence, nuclear, environmental, and infrastructure domains. The company’s capabilities span the full program lifecycle, from planning and design to execution and operations, ensuring mission readiness and sustained performance.
The company’s core service areas include engineering and technical support, program and project management, logistics and supply chain solutions, training and simulation, information technology and cyber security, and operations and maintenance. Amentum is recognized for its work in nuclear remediation and decommissioning, naval ship maintenance and modernization, aviation ground support, and advanced analytics and digital solutions. These offerings are leveraged to enhance operational efficiency, risk mitigation, and innovation across complex mission environments.
Amentum serves clients across North America, Europe, the Middle East, Asia-Pacific and Africa, with more than 20,000 employees operating at hundreds of locations worldwide. Its clientele comprises U.S. federal and defense agencies, allied nations, and select commercial enterprises, benefiting from the company’s global footprint and deep domain expertise. Localized delivery teams, combined with a robust network of technical experts, enable Amentum to respond rapidly to evolving mission requirements and support critical national security initiatives.
With roots extending back to decades of government contracting under AECOM, Amentum has continued to build on its heritage of engineering excellence and mission focus. The company is guided by a senior leadership team with extensive experience in defense, energy, environmental management and program execution. Under their stewardship, Amentum pursues strategic growth, invests in emerging technologies and maintains a steadfast commitment to safety, quality and customer satisfaction.
