Home  |     Concept  |   Test Results  |   Manufacturing Process  |   Testimonials Contact Us  |   History  |   In The News  |   Dealer Locator     Green Diamond Tire Business Address Green Diamond Tire - North America 2721 West Oxford Avenue #4 Sheridan, Colorado  80122     Owner     Richard Gostenik           President / CEO            [email protected]       Home...      Concept...    Test Results...    Manufacturing Process...    Testimonials...    Contact Us...    History...    In The News...    Dealer Locator...