Georg Obermeier

Founded some 60 years ago in Attnang-Puchheim/Upper Austria as a metalworking company, today the GIG Holding is a globally respected and proven competence centre for facade construction and project management. Perfect tailor-made facades in premium quality constitute the trademark of the GIG facade specialists: They develop metal and glass facades for top architecture worldwide They implement the ideas of architects and developers GIG is a synonym for leading competence and premium quality Customers profit from customized solutions They provide professional project realization worldwide.

RHI AG engages in the manufacturing of refractory products, systems and services. Its products include solutions for the cement, enrviro-energy-chemistry, glass, lime, nonferrous metals, raw materials, and steel industry. The company brands include Monofrax, Didier, Veitscher, Radex, Interstop, and Dolomite Franchi. It operates through the following segments: Steel, Industrial and Raw Materials. The company was founded in 1998 and is headquartered in Vienna, Austria.

Trenkwalder International AG provides human resources consulting services. It offers temporary staffing, payroll, onsite management, training, and outplacement and personnel consultancy services. It conducts operations in Germany, Hungary, Slovakia, Slovenia, Czech Republic, Croatia, Serbia, Greece, Macedonia, Montenegro, Bosnia, Rumania, Poland, Bulgary, Turkey, Albania, Liechtenstein and Switzerland. The company was founded by Richard Trenkwalder in March 1985 and is headquartered in Vienna, Austria.

Energie Control GmbH provides electric power transmission services. The company is headquartered in Vienna, Austria.

Bilfinger Berger Industrial Services GmbH provides industrial services with a particular focus on the process and energy production industries. The company has made a permanent contribution to setting maintenance apart as a separate solutions-oriented industry. It operates in different sectors which include refineries, the chemical/petrochemical industry, the pharmaceuticals industry, power stations/energy production - including conventional power stations as well as nuclear power and regenerative energies - the offshore industry, gas transportation & production, the aluminum & steel industry, the food industry, the paper industry and mechanical & plant engineering.