Christian Klinger

Internorm International GmbH manufactures windows and frames. It products include windows made of UPVC, wood and aluminum, counter sash windows, cellar and heating rooms, entrance doors, window shutters, roller, interior and exterior Venetian blinds, movable slats, sliding frames, retractable insect protection screens and accessories such as glass, gear systems and handles. The company was founded in 1931 by Eduard Klinger and is headquartered in Traun, Austria

Kastrup Vinduet Holding ApS produces doors and windows for new construction and renovation, through its subsidiaries. The firm own shares in other companies. The company was founded on January 1, 2008 and is headquartered in Holstebro, Denmark.

Internorm Bauelemente GmbH engages in the production of windows and doors from plastic, aluminum, and wood. It also manufactures window and rolling shutters. The company is headquartered in Traun, Austria.

Part of Haslberger Railway Holding AG, Modelleisenbahn München GmbH is a company based in Munich, Germany. Modelleisenbahn München GmbH operates trains. The German company was founded in 2005. Tassilo Gruber has been the CEO of the company since 2018.