Frank Henkelmann

Portigon AG engages in the management of its own assets. It also provides financial services and conducts banking activities. The company was founded in 1969 and is headquartered in Duesseldorf, Germany.

Lead Equities Beteiligungsverwaltungs AG (Lead Equities) is an independent Austrian private equity firm which was founded in 2001 to invest in mid-market businesses in Austria and bordering EC countries. Headquartered in Vienna, Lead Equities manages the Lead Equities private equity funds, backed by institutional and private investors. Their Investment Committee and Advisory Board provide a range of professional partners which allows investee companies to leverage their industrial and financial expertise. Through the firm's cooperation with AUCTUS they are the only Austrian private equity fund with a strong presence in Germany.

Apax Partners Beteiligungsberatung GmbH (APB) is a private equity firm located in Munich, Germany. APB is a subsidiary of London-based Apax Partners Holdings Ltd. with the ultimate parent firm being UK-headquartered Apax Partners Worldwide LLP which can trace their history to 1972. In 1972, Ronald Cohen and Maurice Tchenio co-founded the Multinational Management Group (MMG). In 1976, the Alan Patricof Associates firm joined forces with MMG to form Apax Partners. In 2002, the European and the U.S. operating firms merged to become Apax Partners Worldwide LLP, headquartered in London. They also operate through offices in New York, Madrid, Milan, Paris, Stockholm, Mumbai, Tel Aviv and Hong Kong. In 2005, the Apax Foundation was established for the group's charitable donations. The foundation supports entrepreneurial endeavors, social investment and educational initiatives aimed at alleviating poverty worldwide.

ECOROLL AG Werkzeugtechnik supplies tools and machines. It offers short cylinders, segment cages, hydraulic power units, skiving heads, concave fillets, groove beds and contours. The firm also provides its services to the aerospace, energy, medical, engineering and automobile sectors. The company was founded in 1996 and is headquartered in Celle, Germany.

PINOVA Capital GmbH (PINOVA) is an independent private equity firm founded in 2007 by Katrin Brökelmann, Marko Maschek, Martin Olbort and Joern Pelzer. The firm is headquartered in Munich, Germany.