Headquartered in Clarksburg, MD, Thales Defense & Security, Inc. (TDSI) is a global company serving the defense, federal, and commercial markets with innovative solutions for the ground tactical, airborne and avionics, naval/maritime, and security domains.

Thales Defense & Security, Inc. is a subsidiary of Thales (Euronext Paris: HO), a global high technology leader investing in digital and “deep tech” innovations – connectivity, big data, artificial intelligence, cybersecurity and quantum technology – to build a future we can all trust. Thales provides solutions, services and products that help its customers – businesses, organizations and states – in the defense, aeronautics, space, transportation and digital identity and security markets to fulfil their critical missions. With 81,000 employees in 68 countries, Thales generated sales of $19.5 billion in 2020.

Thales Defense & Security, Inc. operates in accordance with a Proxy Agreement approved by the DoD, established to mitigate concerns associated with Foreign Ownership, Control, or Influence (FOCI). In order to mitigate potential FOCI, Thales Defense & Security, Inc., in concert with the DoD’s Defense Counterintelligence and Security Agency (DCSA) has agreed to a comprehensive series of controls and requirements set forth by the Proxy Agreement (the highest-level FOCI mitigation instrument), subject to oversight by the Government Security Committee (GSC) to ensure independent TDSI management. As such, TDSI is approved to work on the full spectrum of US Government classified and unclassified programs, without restriction, and is positioned to support strategic partnerships in the development of key technologies for the defense market. Thales’ Proxy Agreement has been active since 1986 initially as Racal Communications, Inc. making it one of the longest-standing proxy agreements in the US National Industrial Security Program (NISP).

Core Competencies

From world class technologies, to state-of-the-art manufacturing facilities, staff and processes, our organization delivers the best quality and best value solutions on time and first time right.

Thales Defense & Security, Inc. has been a world-leading provider of mission-critical communication systems since 1964.  Our business has since grown to include a broad range of new capabilities that expand our penetration within the defense and security arenas, including helmet-mounted displays and motion tracking technologies; SATCOM terminals; advanced sonar systems; training and simulation systems; data protection solutions; and sensor and missile system solutions. Furthermore, Thales Defense & Security, Inc. serves as a gateway for technology, leveraging Thales-wide solutions—such as combat management systems; naval, airborne, and ground ISR; and electronic warfare—to address US requirements.

Thales Defense & Security, Inc. and the Environment

Thales Defense & Security, Inc. is committed to a strong, proactive approach to environmental management and is a proud member of the Maryland Green Registry. Find out more. [PDF at mde.maryland.gov]