Rail-Mil is a part of the Kombud Group that focuses on intellectual property for produced devices and systems.

More than a hundred engineers create, patent, and implement modern solutions designed for subways and railways, based on European ERTMS and ETCS standards. The systems provided by Rail-Mil allow the control of traffic, among other things, on both lines of the Warsaw Metro. The many years of experience of the founders and employees of Rail-Mil, along with a wide range of experts, allow for the creation of the most innovative and reliable solutions at a global level.