Lviv has 218 large industrial enterprises, more than 40 commercial banks, 4 exchanges, 13 investment companies, 80 insurance and 24 leasing companies, 77 audit firms and almost 9,000 small ventures. For many years machinery-building and electronics were leading industries in Lviv. The city-based public company Electron, trademark of national TV sets manufacturing, produces the 32 and 37 inches liquid-crystal TV-sets. The Electrontrans specializes in design and production of modern electric transport including trams, trolleybuses, electric buses, and spare parts. In 2013 Elektrotrans JV started producing low-floor trams, the first Ukrainian 100% low-floor tramways. LAZ is a bus manufacturing company in Lviv with its own rich history. Founded in 1945, LAZ started bus production in the early 1950s. Innovative design ideas of Lviv engineers have become the world standard in bus manufacturing.