H. Klostermann Baugesellschaft mbH

H. Klostermann Baugesellschaft mbH is a family-run medium-sized company founded in 1925 in Hamm, operating since 2008 under this name and executing nationwide projects in track and civil engineering as well as in engineering and special foundation construction, primarily for Deutsche Bahn AG. The company provides end-to-end services such as renewal and maintenance of tracks and switches, deep and cable excavation, construction of railway overpasses and (re)construction of station facilities. Its offering is supplemented by specialized niche services including return current/earthing, track welding, ballast bonding technology, special foundation works with its own large drilling rig, and concrete repair. Headquartered in Hamm with a branch in Velten/Oranienburg, the company employs about 236 people (around one third in Oranienburg), 17 trainees, and maintains a modern fleet including track-capable excavators.