Bio-Gate AG is a Germany-based medical technology company. The Company employs silver technology to endow materials and products with antimicrobial properties, and specializes in plasmacoating, spray, additives and textile solutions, among others. It produces medical technology products, as well as technologies to refine cosmetics, consumer goods and industrial products. Its products are applied in the area of implants, skin care, cosmetics, orthopedics, industrial applications, consumer goods, would care, textiles and dental products. The Company incorporates silver particles into cosmetics, paints, veneers or plastics, or involves coating of final products, such as implants or wound dressings, with a silver-containing functional layer.

Deutsche Grundstuecksauktionen AG. Deutsche Grundstuecksauktionen AG is a Germany-based operator of real estate auction houses. The Company operates a network of local agencies and local representatives across Germany. Its services portfolio includes, amonog others, property transfer, contract management, insurance check, vacancy and rental management, re-renting of vacancies, property management, technical facility management, support and supervision of repair and modernization measures, dunning processes, operation costs consulting, handling and monitoring of monetary transaction, rent and costs bookkeeping, administration and accounting of rent deposits and preparation of auction for payment or possession and other legal cases.

Mensch und Maschine Software is a global enterprise based in Germany. Its business activities are concentrated in the fields of CAD and CAM (Computer Aided Design & Manufacturing) solutions, which it divides into four industry segments: Mechanical engineering solutions segment (about 50% of Co.'s business); Construction industry and building services segment (approximately 25% of Co's activities); Gardening and landscaping segment (about 15% of Co.'s business); and the Electrical engineering segment (about 10% of Co.'s business). In addition, Co. divides its business operations into three sections: Distribution,VAR Business and Software.

GCI Management is a consulting firm. Co. consults in the auto industry, manufacturing and engineering, infrastructure, transport, corporate real estate, and health industries.

SBF AG. SBF AG, formerly Corona Equity Partner AG, is a Germany-based manufacturer of electrical equipment for railroad cars. The Company operates through its subsidiary SBF Spezialleuchten GmbH and produces ceiling systems, lighting solutions and ventilation solutions for the interior and exterior of railroad cars. The Company provides interior ceiling lighting systems, exterior halogen light-emitting diode (LED) combination lights, full LED headlights and LED modular systems for rolling stock, as well as air ducting systems, supplying ventilation systems with hot and cold air for the train interior. The Company provides planning, concept developing and manufacturing services. The Company operates as holing company.

Stuttgarter Hofbraeu brews a variety of alcoholic beers and non-alcoholic beer. Co. brews several of its beers only on special occasions, such as "Weihnachtsbier" ("Christmas beer"), which is only available during the Christmas season. Additionally, Co. produces and markets softdrinks, sells spent hops as animal feeds and derives income from the operation of non-residential buildings and drinking places.

UmweltBank AG is a Germany-based bank that provides financial services focusing on the ecological sector in Germany. The Bank offers online banking, loans, real estate credit, project financing, insurances, investment advice and investment management. It also co-finances various environment projects.