Bruno Sergio Valsangiacomo

Marquard Media International AG publishes magazines and periodicals. It also publishes a range of magazines from lifestyle, special interest, gaming, fitness and electronic entertainment. The company was founded by Jurg Marquard in 1965 and is headquartered in Baar, Switzerland.

International Trading & Investment Holding SA provides television production and broadcasting services. The company was founded in 1984 by Jan Wejchert and Mariusz Walter and is headquartered in Luxembourg.

TVN SA engages in the provision of television broadcasting services. It produces and distributes news programs, shows, TV series, reality shows, and also films. The company broadcasts such channels as TVN, TVN Style, HGTV, TVN Turbo, and TTV. The company was founded in 1995 and is headquartered in Warsaw, Poland.

Stahlton AG is a Swiss industrial company that has been providing innovative and proven products for various applications in the construction industry for 75 years. The private company is based in Zurich, Switzerland, and has subsidiaries in Switzerland. The company offers a wide range of geotechnical products, including through-strengthening, which has gained importance in the last 15 years. Stahlton is part of a private Swiss group that has gained a high level of recognition in Switzerland and abroad. The company is known for their DYWIDAG tensioning systems, which are used in a variety of structures, including bridges and high-rise buildings.

Proceq SA is a Swiss company that manufactures portable testing instruments for metal hardness, concrete properties, and paper roll hardness. The private company is based in Schwerzenbach, CH, and has subsidiaries in Singapore, United Kingdom, and United States.