Theon International Plc is a leading developer and manufacturer of customizable night vision, thermal imaging systems, and Electro-Optical ISR systems for military and security applications. Founded in 1997 in Greece, the company has expanded globally with subsidiaries and production facilities across Europe, the United States, the Gulf States, Asia, and beyond, serving armed and special forces in 71 countries, including 26 NATO members, with over 200,000 systems in operation. Its core products encompass man-portable devices like night vision monoculars, binoculars, weapon sights, clip-on sights, night driver viewers, and thermal imaging systems, alongside platform-based solutions for vehicles and vessels, including multi-sensor optronic systems with laser functionalities, image fusion, and AI-driven target tracking. Theon International Plc emphasizes in-house design by over 66 specialized engineers, enabling tailored solutions, rapid prototyping, and compliance with military standards such as ISO 9001:2015 and NATO security clearances. Supporting integrated logistics, maintenance, and training, it operates state-of-the-art facilities in Greece, Germany, and the U.S., positioning it as a pure-play optronics provider in growing defense markets focused on enhanced visibility and ISR capabilities.