Development and manufacturing of night vision, thermal imaging and electro-optical ISR systems for defence and security
THEON International Plc
Koropi (Athens), Greece · Nicosia, Cyprus · Zaventem, BelgiumNew on Amplifa
About THEON International
THEON International is a manufacturer of retrofit night vision, thermal imaging and electro-optical ISR systems for military and security applications. The company develops and produces systems such as night vision goggles and binoculars (NYX, ARGUS, MIKRON-D), weapon sights (ARTEMIS), clip-on devices (DAMΩN MR, IRIS-C) as well as fusion-based and AR systems (ORION, THEA). Production is vertically integrated: design using CAD tools, manufacturing, qualification, assembly, alignment and testing take place in-house. Two main plants in Koropi near Athens (8,500 m² main facility, one of them with NATO approval) and, since 2026, a production facility in Zaventem, Belgium. Headquarters is Nicosia, Cyprus. Customers include, among others, the U.S. Marine Corps, OCCAR, the Australian Defence Force, the Swedish Army, Rheinmetall, Safran, Hensoldt and Harris. More than 300,000 systems have been delivered to around 73 countries, 26 of them NATO states. The company employs more than 930 people worldwide.
- Site
- GR-19441 Koropi (Athens)
- Processes
- Design & Development (CAD-based system development), Assembly, alignment and qualification/inspection of optronics systems (vertically integrated, Customization, fast-track design and prototyping of optronics systems, Engineering/Design & Development (CAD), vertically integrated production, in-house qualification, assembly, alignment and testing, customization and rapid prototyping, lifecycle support
- Materials
- Design & Development, Rapid Prototyping, Night Vision Systems, Thermal Imaging Systems, Platform-Based Optronics
- Founded
- 1997
- Employees
- 930+
- Industries
- Military/Defence, Security, Night Vision/Electro-Optical ISR, Night Vision/Remote Sensing (Electro-Optical ISR)
- 01
Design & Development (CAD)
- 02
Vertically Integrated Production
- 03
Qualification, Assembly, Alignment
- 04
Testing
- 05
Customization & Rapid Prototyping
- 06
Lifecycle Support
Development & Production
Design & Development
System development using modern computer-aided design tools.
Rapid Prototyping
Customization and fast-track design to implement change requests in a short time.
Night Vision Systems
Night vision monoculars and binoculars such as ARGUS, NYX and MIKRON-D for military and security.
Thermal Imaging Systems
Thermal imaging devices and clip-on systems such as IRIS-C.
Platform-Based Optronics
Electro-optical ISR systems for vehicle- and platform-based applications.
Locations
Koropi (Athens)
GRProduction facility / main plant, one of them with NATO approval
Nicosia
CYHeadquarters (HQ)
Zaventem
BEProduction facility THEON Belgium (inaugurated 2026)
Products & Systems
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Design & Development (CAD-based system development)Engineering | – | – | – | – | – |
| Assembly, alignment and qualification/inspection of optronics systems (vertically integratedAssembly | – | – | – | – | – |
| Customization, fast-track design and prototyping of optronics systemsEngineering | – | – | – | – | – |
Additional services
Reference customers
History
- 1997
Founding of THEON, operations in Greece
- 2004
First international contract with the Australian Defence Force (Night Driver Viewers)
- 2010
Order for 14,500 systems from the Swedish Army
- 2013
Launch of the first binocular NYX
- 2016
Cooperation with HARRIS US for NYX assembly in the USA
- 2017
Main production facility Koropi doubles in size
- 2019
Establishment of the German subsidiary; contract with the US Marine Corps
- 2020
Establishment of a subsidiary in the USA
- 2022
Winning of the EU's largest OCCAR tender for Night Vision Binoculars (joint venture with Hensoldt)
- 2023
Expansion of the Greek production facilities; joint venture with Hensoldt in Germany; second USMC contract and OCCAR Tranche 2
- 2024
Stock exchange listing on the Amsterdam Stock Exchange (7 February); FT ranking of the 1000 fastest-growing EU companies
- 2025
Acquisition of 100% of Kappa Optronics, minority stakes in Exosens and ShockEOS; Belgian subsidiary founded; €1 billion OCCAR contract (100,000 NVGs); capital increase of around €150 million
- 2026
Inauguration of the THEON Belgium production facility in Zaventem; strategic agreement with RHEINMETALL (PHYLAX); planned acquisition of HGH Systèmes Infrarouges