Becoming a Member Sponsorship Opportunities Chamber Events The Greater Brighton Area Chamber of Commerce (GBACOC) is not your typical chamber.  We are proud to be a 4-in-1 regional chamber, representing: Brighton, Lyon Area, Pinckney-Putnam-Hamburg-Hell (PPHH), and Whitmore Lake. About Us Helping People Live, Work and Thrive in the Greater Brighton Area Core Value Community First…