Kurt Ziemer

SIS Surgical Instrument Systems AG manufactures and markets surgical instruments for refractive and cataract surgery. Its product portfolio includes Amadeus, disposable surgical knives, cataract surgical instruments, Glaucoma diagnostics and Glaucoma treatment. The company was founded in 1997 and is headquartered in Port, Switzerland.

Meyco Holding AG is a private company headquartered in Port, Switzerland, with domestic subsidiaries, that supplies watches.

Monnier + Zahner AG is a private company based in Safnern, Switzerland. The Swiss company specializes in the production of high-quality precision parts and components for various industries, including medical technology, aerospace, and automotive. With over 50 years of experience, Monnier + Zahner has established itself as a reliable partner for its customers, providing them with customized solutions that meet their specific needs and requirements. The company's state-of-the-art production facilities and highly skilled workforce enable it to deliver products of the highest quality and precision, ensuring customer satisfaction and loyalty.

Ziemer Group AG develops, manufactures, and markets diagnostic and surgical ophthalmic products. Its products include FEMTO LDV, AMADEUS, GALILEI and PASCAL. The company was founded by Frank Ziemer in 1998 and is headquartered in Port, Switzerland.