Walter Rohregger

Wittur Holding GmbH engages in the manufacture of elevators and lift components. Its products include landing doors. car doors, overspeed governors, car slings, safety devices, shaft accessories, and lift machines. it offers The company was founded by Horst Wittur in 1968 and is headquartered in Wiedenzhausen, Germany.

FläktGroup Holding GmbH provides air technology solutions. It offers air diffusion, air movement, air conditioning and heating and air filtration products. It serves residential, commercial and industrial markets. The company was founded by Sven Söderberg and Robert Sundström in 1918 and is headquartered in Herne, Germany.

FläktGroup Switzerland SA sells air conditioning and ventilation products. The company is headquartered in Carouge, Switzerland.

FläktGroup Deutschland GmbH designs, manufactures and supplies air treatment, air conditioning, filter technology as well as cooling process air systems. The firm also supplies air handling units, fan coil units, unit heaters, close control units, and air filters. It specializes in air treatment. The company was founded in 1909 and is headquartered in Herne, Germany.