ATN Defense

ATN Defense

ATN Defence

Sofia, Bulgaria

OptronicsDual-use
Subsystem ManufacturerSupplies Land Forces, Homeland Security & Police
Profile last updated: June 25, 2026

About

ATN Defense is a defense subsystem manufacturer based in Sofia, Bulgaria working in optronics.

ATN Defense is a developer and manufacturer of customizable night vision, thermal imaging and electro-optical multi-sensor systems for military and security customers. Its portfolio includes digital and image intensifier night vision devices, thermal weapon sights and clip-on systems, thermal driver enhancers, laser rangefinders and multispectral optical-electronic systems. The company operates as a subsidiary of ATN Corp USA, which it cites as the basis of its expertise. ATN Defense states it has a vertically integrated production model, in-house R&D, and in-house optical, mechanical, electronic, software and AI engineering. Its products are developed and tested to defense standards, with environmental testing carried out with certified laboratories in Bulgaria and the EU. The company states it serves customers in 47 countries, including 25 NATO member states, and that it is accredited by NATO. Its applications include intelligence, surveillance and reconnaissance, search and rescue and firefighting.

Location

Sofia, Bulgaria

Company type

Subsidiary

Legal name

ATN Defence

Focus areas

thermal imagingnight visionmultispectralelectro-opticslaser rangefinderdigital night visionweapon sightsmilitary optronics

Languages

EN

Products & capabilities

Defense domains

Optronics

Supply-chain role

Subsystem Manufacturer

What they offer

HardwareEngineering ServicesMaintenance & Repair

Markets

Also sells to civilian markets

Products

Thermal weapon sights

Thermal weapon sight

Thermal imaging weapon sights for handheld and mounted weapon systems, man-portable air-defense systems and small arms.

Night vision devices

Night vision

Image intensifier and digital night vision binoculars, goggles, monoculars and weapon sights, standalone and clip-on.

Thermal clip-on systems

Thermal imaging

Compact thermal clip-on systems and thermal driver enhancers.

Multispectral systems

Multispectral optical-electronic system

Multi-sensor electro-optical systems capturing and fusing multiple spectral bands for surveillance, reconnaissance and target identification.

Laser rangefinders

Laser rangefinder

Laser rangefinders for targeting, ranging and location applications, including handheld and drone-based use.

Platform based optronic systems

Optronic system

Electro-optical systems designed for integration on platforms, including ground-based sensors, vehicles and drones.

End users

Land ForcesHomeland Security & Police

Standards, platforms & customers

Defense standards

AQAP 2210AQAP 2110

Credentials & affiliations

Certifications

ISO 9001:2015

NATO Accredited

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