Intamin

Intamin Worldwide is a designing and manufacturing company in Wollerau, Switzerland. They are known for building thrill rides and roller coasters. The Intamin name stands for: INTernational AMusement INstallations. They distribute about 5-7 roller coasters from their workshops every year.
The first roller coaster they built was The Jr. Gemini at Cedar Point in 1979. After that, they installed a total of 70 roller coasters around the world.