aid: amentum name: Amentum description: >- Amentum Holdings, Inc. (NYSE: AMTM) is a global advanced engineering and technology solutions company serving U.S. federal customers across defense, intelligence, energy, space, and civilian missions, with allied work in the United Kingdom and Australia. The company was created from the spin-off of AECOM's Management Services business in 2020, and on September 27, 2024 completed a Reverse Morris Trust transaction with Jacobs Solutions to merge Jacobs' Critical Mission Solutions (CMS) and Cyber & Intelligence (C&I) businesses into Amentum. Post-merger Amentum reports approximately $14.4 billion in fiscal year 2025 revenue, a $47.1 billion backlog, ~53,000 employees in 80 countries, and is headquartered in Chantilly, Virginia. The business is organized around six capability areas — Mission Modernization & Sustainment, Space Systems, Digital Transformation, Sustainability & Environment, Advanced Energy Solutions, and Data Analytics & Cyber. Most delivery occurs under contract through classified, CAC-gated, or program portals; no public developer portal, OpenAPI, or REST API has been identified. type: Index image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg tags: - Federal Services - Defense IT - National Security - Intelligence - Space Systems - Nuclear - Energy - Environmental Services - Engineering Services - Cyber - Digital Transformation - Government Contractor url: >- https://raw.githubusercontent.com/api-evangelist/amentum/refs/heads/main/apis.yml created: '2026-05-23' modified: '2026-05-23' specificationVersion: '0.19' apis: [] common: - type: Website url: https://www.amentum.com - type: About url: https://www.amentum.com/about-us - type: Newsroom url: https://www.amentum.com/news - type: Blog url: https://www.amentum.com/news - type: Careers url: https://www.amentumcareers.com - type: InvestorRelations url: https://investors.amentum.com - type: SECFilings url: https://investors.amentum.com/financials/sec-filings/ - type: Contact url: https://www.amentum.com/contact-us - type: LinkedIn url: https://www.linkedin.com/company/amentum - type: X url: https://twitter.com/amentum_corp - type: YouTube url: https://www.youtube.com/@amentumcorp - type: PrivacyPolicy url: https://www.amentum.com/privacy-policy - type: TermsOfService url: https://www.amentum.com/terms-of-use - type: Features data: - name: Mission Modernization & Sustainment description: >- Lifecycle engineering, operations, training, logistics, and sustainment support for U.S. and allied military, intelligence, and mission customers across air, land, sea, space, and cyber domains. - name: Space Systems description: >- Mission systems and ground operations for civil and national security space, including prime contracting on NASA's Exploration Ground Systems Program at Kennedy Space Center supporting the Artemis program. - name: Digital Transformation description: >- IT modernization, cloud migration, software engineering, data platforms, and managed services for defense, intelligence, and civilian agencies. - name: Sustainability & Environment description: >- Environmental remediation, climate resilience, hazardous waste, and munitions response work for federal and state environmental missions. - name: Advanced Energy Solutions description: >- Nuclear, clean energy, and energy infrastructure engineering, including Owner's Engineer roles for new Small Modular Reactor programs and support to national laboratories. - name: Data Analytics & Cyber description: >- Mission cyber, intelligence analytics, AI/ML, and offensive and defensive cyber capabilities inherited from Jacobs' Cyber & Intelligence portfolio. - type: Customers data: - name: U.S. Department of Defense description: >- Army, Air Force, Navy & Marine Corps, and Special Operations Command across CONUS and forward-deployed locations. - name: U.S. Intelligence Community description: >- Mission systems, analytics, linguistics, and cyber programs for the intelligence enterprise. - name: NASA description: >- Prime contractor for NASA's Exploration Ground Systems Program at Kennedy Space Center, supporting the Artemis program including Artemis II launch and recovery. - name: U.S. Department of Energy description: >- Engineering, operations, and environmental work at national laboratories including Lawrence Livermore National Laboratory and Idaho National Laboratory. - name: U.S. Department of Homeland Security description: >- USCIS biometrics services at 130 USCIS locations across the United States and its territories. - name: U.S. Allies description: >- United Kingdom MoD (including Owner's Engineer role for the UK's first Small Modular Reactors), Australian Defence Force, and other partner-nation programs. - name: U.S. Civilian Agencies description: >- State, civilian, and emergency response customers including a $425 million CAL FIRE aerial firefighting operations support contract. - type: Compliance data: - name: U.S. Government Security Clearance description: >- Personnel hold U.S. government security clearances up to TS/SCI with polygraph as required by program. Personnel security policies cover drug abstinence windows prior to clearance application. - name: Federal Contracting description: >- Operates under Federal Acquisition Regulation (FAR) and Defense FAR Supplement (DFARS) including cybersecurity, supply chain, and accounting compliance for U.S. federal contracts. - type: Subsidiaries data: - name: Amentum Technology, Inc. description: >- Formerly Jacobs Technology Inc. / Jacobs Technology Group; renamed following the 2024 merger. - name: Amentum Digital Infrastructure, Inc. description: >- Formerly Jacobs Telecommunications Inc.; renamed following the 2024 merger. - type: Headquarters url: https://www.amentum.com/contact-us maintainers: - FN: Kin Lane email: kin@apievangelist.com