SlideShow: Oroville Chamber Halloween Costume Contest By Gazette-Tribune • November 3, 2017 1:42 pm And the winner is… Karen Frisbie/submitted photoOroville Reman & Reload is the winner of this year’s Oroville Chamber of Commerce Business Halloween Costume Contest.After Halloween, the various participating businesses were part of a survey on social media and this website with people encouraged to vote for their favorite. The Oroville Housing Authority and their “Google Maps” costume came in a close second, according to Karen Frisbie, Oroville Chamber President.