57. DefSecIntel Solutions OÜ – Estonia
DefSecIntel Solutions OÜ is an Estonian defense technology company specializing in autonomous surveillance, counter-drone, and command-and-control systems.
Headquartered in Tallinn, the company develops AI-powered platforms that integrate fixed-wing and multirotor drones, electro-optical/infrared sensors, and mobile surveillance units.
Its flagship systems — such as SurveilSPIRE, CAIMAN, and EIRSHIELD — are designed to operate in austere environments, offering real-time situational awareness and responsive threat mitigation.
DefSecIntel emphasizes indigenous development and European-based supply chains to ensure operational security, rapid adaptation, and resilience in the face of evolving threats.
DefSecIntel’s strength lies in integrating ISR drone capabilities with AI-driven software for surveillance, force protection, and counter-UAS operations.
Its technology has been actively deployed in Ukraine and other frontline environments, where rapid mobility, secure communications, and autonomous threat detection are critical for mission success.









