Regionalverkehr Mittelland
Regionalverkehr Mittelland AG was a 1997 merger of
- 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.