1) German surname 
Zierer is a German company located close to Deggendorf. Zierer manufactures Tivoli and Force line of roller coasters, as well as panoramic wheels, wave swingers, flying carpets, Hextentanz and Kontiki rides. The company also has partnered with Schwarzkopf to build Lisebergbanan at Liseberg and Knightmare at Camelot Theme Park. == Notable installat...