For over 25 years, Polarteknik has been at the heart of railway innovation, supplying reliable and sustainably produced interior door systems to the world’s leading train manufacturers.
Headquartered in Huittinen, Finland, Polarteknik has built a global reputation as a trusted and forward- looking partner in the railway industry.

Polarteknik’s solutions are found in trains operating across the globe, supplied to all major OEMs in the rail sector. But beyond high-quality products, what truly sets Polarteknik apart is its commitment to long-term collaboration partnership.
Polarteknik team said:We work together with our customers towards a green future for transport. Our goal is to help make rail travel the most safe, comfortable and sustainable way to move from one place to another.
A vital part of this collaboration continues long after the initial delivery. Polarteknik’s comprehensive after- sales services are designed to support customers throughout the entire lifecycle of their fleet.
This ensures safe, reliable and cost-efficient operations over decades of use.
The company’s service portfolio covers everything from consultation, training and installation support to maintenance, modernisation, spare parts supply and technical assistance. Customers can tailor services to their specific needs, ensuring optimal performance while managing total cost of ownership.
As rail operators face increasing pressure to improve sustainability, extend fleet lifetimes and reduce operational downtime, Polarteknik continues to look ahead, investing in innovation and sustainability to help shape the future of rail transport. With decades of experience, a collaborative mindset, and a clear mission, Polarteknik remains a reliable partner for rail industry leaders worldwide.
Polarteknik said:Keeping rolling stock in good condition is key to safe and efficient operations. Our after-sales services are all about enabling our customers to maximise fleet availability and performance.
This article first appeared in the Railway-News Magazine Issue 2 2025. Download a PDF version here.