Rudolf Hadorn

Looser Holding AG engages in the acquisition and management of participating interests in firms. It also acquires, holds, and sells real estate properties. The company was founded in 1928 and is headquartered in Arbon, Switzerland.

Part of Trans Data Management Ltd., Trans Data Management AG is a Swiss company that provides security systems solutions. The company is based in Bern, Switzerland.

Spirella AG manufactures and markets bathroom furnishings and fixtures. It offers wall fitting, storage items, waste bins, cosmetic mirrors, scales, hooks and bath deco, bath plug, liquid soap, shower curtains, bathroom rugs, and bath inserts. The company was founded in 1973 and is headquartered in Embrach, Switzerland.

Ascom (Schweiz) AG provides IT services. It provides security solutions, integrated communications and information management solutions. The company is headquartered in Berne, Switzerland.

KRONE GmbH is a German company based in Steinbach that specializes in producing high-quality fish and seafood products. KRONE is committed to sustainability and responsible handling of nature and the animal world. The private company works with partners who adhere to high standards during processing, and most of their products have ASC, MSC, or GGN certification. The company offers a wide range of fish and seafood products, including organic options, and is known for its quality and freshness. KRONE has won several awards for its products, including the gold medal of food practice in the category of fish and fishing products. The company was founded in 1972 and is currently led by CEOs Lars Knobloch, Ralph Ziegelmeier, and Mirjam Knobloch.

Gurit (UK) Ltd. develops and manufactures advanced composite materials, related technologies, and select finished parts and components. The company was founded on May 16, 1978 and is headquartered in Newport, the United Kingdom.

Gurit (Kassel) GmbH is based in Kassel, Germany. Part of Gurit Holding AG, Gurit (Kassel) GmbH is a German company that manufactures chemical preparations. The CEOs of the company are Karl Josef Eikelmann and Rudolf Hadorn.