Company Overview

Thales DSI 60th BirthdayHeadquartered in Clarksburg, MD, Thales Defense & Security, Inc. (TDSI) is a U.S. company that has been serving domestic and international defense Air, Land and Sea domains for 60 years. With over 1000 employees, TDSI and its three subsidiaries (Tampa Microwave, Advanced Acoustic Concepts, and Trusted Cyber Technologies), supports U.S. Joint Services, special operations forces and multi-national partners with a variety of communication, visualization, electronic warfare, and sensor/sonar capabilities. TDSI’s key technologies include tactical handheld radios, expeditionary satellite terminals, helmet-mounted displays, optics and target recognition capability, advanced radars, undersea sensing and missile systems. Lives depend on what we do!

Global Reach

TDSI is a subsidiary of Thales Group (Euronext Paris: HQ), a global technology leader with more than 77,000 employees on five continents, and an order intake of €23.1 in 2023. The Group is investing in digital and “deep tech” innovations – Big Data, artificial intelligence, connectivity, cybersecurity, and quantum technology – to build a future we can all trust.

In the markets of defense and security, aerospace and space, digital identity and security, and transport, Thales provides solutions, services and products to help its customers – companies, organizations and governments – to carry out their critical missions. Moreover, the synergies created between different business units throughout our global organizations create more opportunities for product advancement and customer savings.

100% US Company

TDSI operates in accordance with a Proxy Agreement approved by the US Government, established to mitigate concerns associated with Foreign Ownership, Control, or Influence (FOCI). 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).