Last Update March 8, 2022


  • Electrical, Electronics & Electro-optics
  • IT, Computing and Software
  • Mechanical, Electro-mechanical, Hydraulic and Pneumatic components
  • Military, Tactical, Logistic Support Vehicles & related equipment
  • Radar, Sonar, Navigation, Targeting, Surveillance
  • Textile, Individual Equipment, Clothing

THEON SENSORS is a global market leader in night vision and thermal imaging systems for military and security applications. With headquarters in Athens, offices in Kempen, Arlington, Abu Dhabi and Singapore, and co-production facilities in Middle and Far East, THEON SENSORS has almost 100.000 systems in service with Armed and Special Forces in more than 50 countries around the world.


• Night Vision Monoculars and Binoculars
• Night Vision Weapon Sights
• Night Vision Clip-on Afocal Sights
• Thermal Weapon Sights
• Thermal Clip-on Afocal Sights
• Customized targeting and observation Systems

• Driver Viewers (Day/Night, Thermal, Fused)   
• Vehicle targeting cameras (Day/Night)   
• Customized platform based optronics systems

• Theory, Basic Principles and Existing Technologies   
• Preventive and Corrective Maintenance
• Spare Parts Provisioning

All products are in house designed & manufactured by a team of experienced and qualified engineers covering all related engineering disciplines such as optical, mechanical, electronics and system design, using innovative design and test tools. Emphasis is given on providing high performing and ergonomically advanced systems that increase the soldier’s safety and mission success rate during night operations.  

THEON SENSORS offers a wide range of Night Vision, Thermal and SWIR systems for both man-portable and vehicle based applications. THEON develops tailored solutions in response to specific customer requirements and this in a shorter time than anyone else in the industry.

Consulting and training courses at all levels, professional and complete after sales support are other key elements of the company's international success. Additionally, complete local maintenance support solutions are provided that help the end user make the right investment decisions with the best logistic and support infrastructure. 

All THEON SENSORS’ systems are rigorously tested prior to market entry following military standard test procedures and highest quality assurance and control criteria. 
The company maintains a Quality Management System which is in accordance with the requirements of ISO 9001:2015 and ISO 14001:2015 for the Design, Production and Trading of Electro-optical systems.

The manufacturing facilities and the company’s personnel have NATO Security Clearance for defence related projects.

THEON SENSORS is part of EFA Group

EFA Group consists of companies that have a leading-edge position in the international markets in the fields of aerospace, security, defense and industrial cooperation. EFA Group employs more than 240 people in total, most of them scientists and engineers, and has established itself as a leader in its field in more than 50 countries worldwide.

Theon Sensors S.A.

  • Ioanni Metaxa Str. 57, Nissiza-Karellas, Attiki, Koropi, Greece
  • +30 210 664 1420
  • +30 210 664 4093
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