Kolejowe Zakłady Nawierzchniowe "Bieżanów" designs, manufactures, and supplies solutions for railway and tram track infrastructure. As the parent company of the KZN Bieżanów Group, it combines manufacturing, engineering, and construction expertise, providing investors with a trusted partner at every stage of project delivery.
We design and manufacture turnouts and railway track components for mainline, regional, industrial railways, and sidings. We offer both standard and customized solutions tailored to the technical parameters of each project and the requirements of infrastructure managers.
We supply tram turnouts and track components for urban tram networks—durable, precision-engineered, and designed for intensive operation.
We combine proven technologies with the requirements of urban infrastructure, where reliability and rapid installation are essential.
Dzięki własnemu zapleczu technologicznemu i mobilnym zespołom serwisowym wspieramy cały cykl życia infrastruktury – od produkcji elementów torowych po ich eksploatację i modernizację.
Specialized wagons for the transport and logistics of turnouts. SWITCHER is a practical solution that streamlines installation, handling, and maintenance operations — designed with efficiency and safety of railway works in mind.
Thanks to the close cooperation of specialized entities, the KZN Bieżanów Group offers a comprehensive switch infrastructure delivery process — from design to product servicing. Integrating all stages within one group shortens project delivery time
and increases investment control.
We analyze the project requirements and select solutions tailored to the technical conditions and the future infrastructure load.
We manufacture track infrastructure components under controlled conditions, ensuring consistent quality and high precision workmanship.
We organize logistics and prepare the components for efficient installation at the project site.
We install turnouts using technologies that reduce track possession time and enable work in confined spaces.
We support infrastructure operation through maintenance services, diagnostics, and track condition monitoring.
Accelerating Innovation
An initiative aimed at education and the development of industry expertise within the railway infrastructure sector. The project offers materials prepared in cooperation with specialists from the KZN Bieżanów Group, providing insight into our daily work while expanding knowledge of turnout design, manufacturing, logistics, and installation.
Jesteśmy jedną z największych polskich firm produkujących nawierzchnie dla kolei, przemysłu, miejskich systemów transportu szynowego oraz typów specjalnych.
The capital group currently consists of nine companies.
Sales revenue in 2015 amounted to over PLN 500 million
W tym samym okresie zatrudnienie przekroczyło 650 osób
