Dietmar Gstrein

Invest Unternehmensbeteiligungs AG (Invest AG) is the private equity subsidiary of Raiffeisenlandesbank Oberoesterreich AG in Austria. Founded in 1994, the firm provides owners and managers of small and medium-sized businesses in Austria and the Bavarian region of Germany with capital to implement expansion strategies (internally or through acquisitions) business successions, MBOs, MBIs, spinoffs, pre-IPOs and early-stage financing (in Upper Austria). Headquartered in Linz, Austria, AG Invest also provides investee companies with access to their network of banks, insurance companies, funding agencies, real estate brokers, consultants, tax consultants, accountants, lawyers and other private equity funds.

ISOROC Holding AG is an international building materials group. It offers a variety of ecologically sustainable products such as mineral wool (insulation), cement bonded particle boards, prefabricated houses and other wooden products. The company was founded in 2005 and is headquartered in Vienna, Austria.

Invest AG provides investment consulting services in such fields as natural resources, real estate, IT sector and utilities. The company was founded in 2006 and is headquartered in Moscow, Russia.

Lenzing Plastics GmbH engages in the holding and management of firms. The company was founded by Johann Huber on March 14, 2013 and is headquartered in Lenzing, Austria.

JOSKO Fenster & Türen GmbH is a private company based in Kopfing im Innkreis, Austria. The Austrian company specializes in the production of high-quality windows and doors, which are exclusively installed by selected partners trained in Josko products. The company has a trained customer service team that provides assistance and support to customers through phone or online forms. The Josko-Scheuringer Group offers exclusive insights into the family business and corporate life.

Enso Hydro GmbH invests in small and medium-sized hydroelectric power plants. Its services include advisory, mergers and acquisition, asset management, financing and financial engineering and power plant and portfolio optimization. The company was founded in 1999 and is headquartered in Raaba, Austria.

Hydrogrid GmbH develops software for optimal hydro power control and dispatch. The firm' services include production planning, power trading, full services optimization and investment decision support. The company is headquartered in Wien, Austria.

Lorea AG is an investment holding private company based in Freienbach, Switzerland. and has subsidiaries in Germany. The Swiss company was founded by Christoph Swarovski. The CEO is Johannes Weggemann.