Christian Hennerkes

Menerga GmbH develops and manufactures air handling units. It offers ventilation, air conditioning systems, climate cooling equipment with compact chilled water units; air conditioning in swimming pool halls with dehumidifying adjusted to the needs and water technology equipment for heat recovery. The firm also provides a software solution for graphic and numerical representation of various thermodynamic processes of humid air. It also offers systems for buildings, museums/galleries, theaters, sports facilities, swimming pool halls, hotels, clinics, schools/universities, shopping centers and banks. The company was founded in 1980 and is headquartered in Mülheim an der Ruhr, Germany.

Interstuhl Büromöbel GmbH & Co. KG manufactures and wholesales office chairs. It offers arrive, work, communicate and regenerate products. The company was founded in 1961 and is headquartered in Meßstetten-Tieringen, Germany.