Jochen Ernst Alex Heemann

Alukon KG engages in the construction of roller shutters, roller doors, garage doors, exterior blinds, insect repelling systems and lintel insulation systems. It also manufactures zipTex, textile sun protection systems. The company was founded in 1974 and is headquartered in Konradsreuth, Germany.

Elematic Oyj manufactures and distributes precast concrete plants and production lines. Its products include floor production technologies, wall and façade production technologies, batching and mixing plants and concrete distribution systems, Acotec production lines, foundation, and frame production lines. The firm's precast concrete technology is used for residential and non-residential buildings. The company was founded in 1959 and is headquartered in Akaa, Finland.

Schlotterer rollcom.de GmbH & Co. KG manufactures and distributes door and window shutters. It specializes in the development and production of roller shutter and sun protection system technologies. The firm also designs technology drives and controls for wooden and prefabricated houses. The company was founded by Albert Schlotterer in 1956 and is headquartered in Bodelshausen, Germany.