Zierer is a German company locate close to Deggendorf. Zierer is well-known for its Tivoli and Force line of Roller coasters, as well as it's popular panoramic wheels, Wave Swingers, Flying Carpets, Hextentanz, and Kontiki rides. The company also has partnered with Schwarzkopf to build Lisebergbanan and Knightmare at Camelot Theme Park.