Wikipedia
The Zürichsee-Schifffahrtsgesellschaft or Lake Zürich Navigation Company (commonly abbreviated to ZSG) is a public Swiss company operating passenger ships and boats on Lake Zürich.
The company operates services connecting lake-side towns between Zürich and Rapperswil, as well as more tourist oriented cruises and boat services on the Limmat through the centre of the city of Zürich. It is a member of the Zürich Public Transport Network ( ZVV) and transports over 1,5 million passengers every year.
The ZSG is a joint stock company with a share capital of 11 million Swiss Francs (CHF). The share capital – one third is in private hands – is divided into 110,000 bearer shares, each with a nominal value of CHF 100.