Heinz Kempen

3A Real Estate AG engages in the acquisition, management, development and sale of properties. The firm manages its own investments and of other participating companies. The company is headquartered in Freigericht, Germany.

Bioenergy Capital AG engages in the provision of financial services. It invests in companies involved in manufacturing and plant and machine construction. The firm also focuses on investments in renewable energy, health, medicine, food and cosmetics sector. The company was founded in December 2006 and is headquartered in Cologne, Germany.

ABAG Aktienmarkt Beteiligungs AG operates as an investment management firm, which focuses on undervalued and high-growth enterprises. Its investment activities revolve around the areas of life sciences, consumer products, and real estate. The company was founded on July 28, 1999 and is headquartered in Cologne, Germany.