Gert Thönen

Tschantré AG engages in the installation, repair, renovation, maintenance, and planning of building technologies. It specializes in heating, ventilation, as well as plumbing and sanitary equipment. The firm also constructs swimming pools. The company was founded in 1928 and is headquartered in Basel, Switzerland.

AIL Holding AG provides investment services. The private company is based in Muttenz, Switzerland and has subsidiaries in Switzerland.

Apaco AG is a private company based in Grellingen, Switzerland. and has subsidiaries in Switzerland. The Swiss company's main focus is on providing high-quality packaging solutions for various industries, including food, pharmaceuticals, and cosmetics. Apaco offers a wide range of products, including bottles, jars, tubes, and closures, and also provides custom packaging solutions tailored to the specific needs of its clients. With a strong commitment to sustainability and innovation, Apaco has established itself as a leading player in the packaging industry in Switzerland and beyond.

Auto-Interleasing AG provides car leasing services. Its services include fleet management, modular system, business car sharing, rental cars/replacement cars, insurance, consultation and re-marketing. The company is headquartered in Muttenz, Switzerland.

Burckhardt+Partner AG provides architectural and general planning services. It also offers project development where it monitor and analyze market processes and detect trends. The company was founded in 1951 and is headquartered in Basel, Switzerland.