The Ganz (Ganz vállalatok, ""Ganz companies"") electric works in Budapest is best known for making tramcars. It was also one of the first to use three-phase alternating current on electric railways. Ganz also made / makes: ships (Ganz Danubius), steel bridges (Ganz Acélszerkezet), high voltage electrical equipment (Ganz Transelektro). Famous engineers employed by Ganz were Kálmán Kandó and Ottó Bláthy. The company is named after Ábrahám Ganz.