Ulrich Hüllmann

Viessmann Climate Solutions SE engages in the production of heating, industrial, and refrigeration systems. Its product portfolio includes gas-condensing, oil, and wood boilers, as well as photovoltaic systems and domestic hot water tanks. The company was founded in 1917 and is headquartered in Allendorf, Germany.

VITO One GmbH is an independent venture capital firm founded in 2015. The firm is headquartered in Allendorf, Germany.

The Viessmann Group is engaged in manufacturing heating and cooling systems. It offers investment, real estate, climate, refrigeration and industrial solutions. The company was founded by Johann Viessmann in 1917 and is headquartered in Allendorf, Germany.

Viessmann Refrigeration Systems Oy provides commercial refrigeration solutions. Its products include remote and plug-in refrigeration cabinets, lamella products, power packs, cold rooms, refrigeration cells and units, as well as accessories and services for pre- and post-installation. The company serves the food and beverage industry, food retailers, and shopkeepers. Viessmann Refrigeration Systems was founded by Reijo Mäntyoja in 1953 and is headquartered in Porvoo, Finland.

Part of Carrier Global Corp., Viessmann Shared Service GmbH is a German company that provides accounting and bookkeeping services. The company is based in Allendorf, Germany. The CEOs are Stefan Hoffmann and Vanessa Hellwing. The company was founded in 2007.