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Below is a listing of our Premium Sponsors

Royal Purple

Tour de Slate, Inc. isn't rated by charity watch groups, but we estimate our rating based on their formulas. With no paid employees, our volunteer-run event keeps expenses below 10% of gross revenue and a donation cost ratio under 1%, giving us a highly efficient rating.

​                                                                     Hosted by Tour de Slate, Inc., a 501(c)3 non profit corp.                                                          

info@tourdeslate.org

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