Chamber Chill N’ Grill is This Friday! By: Greater Portage Chamber of Commerce Last Updated: June 2, 2010 facebook twitter linkedin email print Greater Portage Chamber of Commerce invites all chamber members to our annual complimentary Chill N' Grill! Friday, June 4, 2010, from 11:30 am to 1:00 pm at our Chamber office. Please RSVP at 762.330.