JES at the 5th German Tunnel Congress in Garmisch-Partenkirchen on April 26-27, 2023. Lecture ‘Digitalization of Tunnel Ventilation’
Many participants from all over the world at the JES International Webinar in October 2022.
Peter Macha, JES’ longest-serving employee, took his well-deserved retirement in November 2022 after nearly 32 years with JES.
JES New Logo
With the opening of the new Pelješac Bridge on July 26, 2022, the largest Croatian infrastructure project in the country’s history was completed.
Longest tunnel of Brazil full operation has started. JES tunnelsensors ensure safe and energy-efficient operation for the term of next 30 years and beyond. JES, we can.
From May 9th to 11th, the international conference “Tunnel Safety and Ventilation” on the subject of safety and ventilation of tunnel systems took place in Graz.