Zakłady Automatyki KOMBUD SA is one of the leaders on the railway traffic control systems market in Poland. For over 30 years of operation, Kombud has implemented over 200 computer station systems and over 2,000 level crossings systems.

Digital interlocking systems handle traffic, among others: on the Polish Central Railway Line (CMK), stations of the Warsaw railway junction, the Broad Gauge Metallurgical Line (PKP LHS), the Bogdanka mine, the Kozienice Power Plant, as well as the longest section in Poland - 200 km of the line managed from one Local Control Center in the Mazury District.

The company conducts an extensive research and development program, which has enabled the creation of a full portfolio of railway traffic management systems.