Johannes Milde

Zumtobel Lighting GmbH produces ballasts for fluorescent light fittings. Its brands include Zumtobel, Thorn, and TridonicAtco. The company was founded in November, 2005 and is headquartered in Dornbirn, Austria.

Part of Osterreichische Doka, Doka France SAS is a French company that wholesales wood and building materials. The company is based in Le Perray-en-Yvelines, France. The company was founded in 1956. The CEO is Harald Ziebula.

Founded in 2017, Umdasch Real Estates (UK) Ltd. is a subsidiary of Umdasch Group AG that leases and operates real estate properties. The company is based in Sittingbourne, UK.

Umdasch Group AG develops, manufactures and distributes formwork technology for use in construction sector. It provides moulds needed for getting the liquid construction materials. The firm's products and services include formwork for walls and floor-slabs in residential construction projects, as well as climbing formwork for office high-rises, automatic climbing formwork for giant cable-stayed bridges, and complicated tunnel formwork. It also specializes in professional store branding, shop marketing, and conceptualization and implementation of retail-outlet investments. The company was founded by Stefan Hopferwieser in 1868 and is headquartered in Amstetten, Austria.