Cantus Verkehrsgesellschaft
 Cantus Verkehrsgesellschaft mbH (which translates roughly as Cantus Transport Company Ltd) based in Kassel is a joint subsidiary of Hessische Landesbahn (HLB) and Hamburger Hochbahn (HHA). The word cantus refers to a steel rail-wheel tyre and is written in all lower case in the company's style. The company took over local rail passenger services on the following routes in December 2006 for ten years: R 1 Göttingen – Eichenberg – Hann.