Switzerland. Canton Bern. Zweisimmen is a municipality in the Obersimmental-Saanen administrative district. BLS train entering the railway station. BLS AG is a Swiss railway company created by the 2006 merger of BLS Lötschbergbahn and Regionalverkehr Mittelland AG. It is 55.8% owned by the canton of Berne, and 21.7% by the Swiss Confederation. It has two main business fields: passenger traffic and infrastructure. BLS has a subsidiary BLS Cargo which is responsible for all freight operations. A wooden sculpture of a Simmental cow. 2.11.2020 © 2020 Didier Ruef