Sascha Graf

Citibank (Switzerland) AG (Citi Switzerland) is the Swiss private banking subsidiary of Citicorp Banking Corp., ultimately held by Citigroup, Inc. (NYSE: C) in the US. Founded in 1963, the firm is headquartered in Zurich and provides a range of wealth management and advisory services to corporations, institutions and ultra-high-net-worth private clients. Citi Switzerland is a socially responsible investor which seeks to advance environmental and social progress and conduct business in a way that creates value for clients, customers, communities and employees.

Espace Real Estate Holding AG provides real estate services. It invests in construction companies and provides consulting services in real estate industry. It provides integrated services for the direct management of real estate assets or individual building complexes used for residential, industrial and commercial purposes, consulting services for the purchase, sale, leasing, appraisal and valorization of residential & commercial properties and facilities management services. The company was founded in 2001 and is headquartered in Biel, Switzerland.

Vaillant Deutschland GmbH & Co. KG provides heating technology products. Its product are based on gas, oil, electricity and solar energy. The firm's products include hot water boilers, electric & heating appliances, water heaters, storage tanks, solar systems, heat pumps, air conditioning units and photovoltaic systems. Vaillant Deutschland was founded in 1874 by Johann Vaillant and is headquartered in Remscheid, Germany.

Vaillant GmbH engages in the manufacture and distribution of heating ventilation and air-conditioning products. The firm offers solar-thermal and photovoltaic systems, heat pumps, and pellet boilers. It also provides gas-fired condensing boilers, ventilation systems for low-energy buildings, combined heat and power stations, high-efficiency heating systems using fossil fuels, intelligent controls, air conditioners, and radiators. The company was founded by Johann Vaillant in 1874 and is headquartered in Remscheid, Germany.