Regionalverkehr Mittelland

Regionalverkehr Mittelland AG (RM) was a 1997 merger of which had been under common management since 1943.
 * EBT - Emmental–Burgdorf–Thun-Bahn
 * VHB - Vereinigte Huttwil-Bahnen
 * SMB - Solothurn–Münster-Bahn

In 2006 the main owners of RM and BLS Lötschbergbahn, the canton of Bern and the Swiss Confederation merged the two companies, forming the new BLS AG.