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GateKeeper

GateKeeper was designed by the Bolliger & Mabillard Consulting Engineers Inc. organization.  The group is typically just called B&M.  Based in Monthey, Switzerland, the company was started in 1988 by Walter Bolliger and Claude Mabillard.  In 2016, they built their 100th coaster.  While seven of their rides have been relocated, all 100 coasters are still operating.

Bolliger & Mabillard Consulting Engineers Inc. - B&M

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