1990: Founded as TENS Sp. z o.o. by employees of the Gdańsk University of Technology: Dr Jan Stolz, BEng; Dr Ryszard Krajewski, BEng; and Maciej Pełczyński, MEng.
1990 - 1995: Development of ASDEK, a rolling stock diagnostic system, and its implementation in the Polish State Railways network.
1995 - 2000: Development of ASDEK/SSD, a network diagnostic system for rolling stock, and its launch in the Polish State Railways network. Development and implementation of TENSAN, a system to assess the condition of suspension of railway vehicles. Building-up of company's servicing structures.
2000 - 2005: Development and implementation of HADIAG, a line of devices for testing railway vehicle brake assemblies and testing brake systems of freight and passenger cars and locomotives. Development and implementation of STOLEM, a system to test bogie wheel load distribution. Development of SAPRO, a system for the automatic speed control of uncoupled cars, and its implementation at the Poznań Franowo shunting yard (in collaboration with KAMAX, current name: AXTONE).
2005 - 2010: Sale of the majority shareholding to VAEE of the voestalpine Group (2006) and change of the company's name into voestalpine TENS. Thorough modernisation of ASDEK. Development of TENSAR, an integrated control and operation system, and its implementation at Poznań Franowo station.
2010 - 2015: voestalpine HYTRONICS takes over 100% of the shares in voestalpine TENS (2011). Integration of the activities of voestalpine VAE Polska (current name: voestalpine Railway Systems Polska) in voestalpine TENS. In-house development of unique UniAC1 axle counter. Change of the company's name into voestalpine SIGNALING Sopot (2015).