Waterloo Chambers Of Commerce PO Box 551 The Waterloo Chamber of Commerce, Inc. is a non-profit organization that is linking together our community by bringing our Citizens, Businesses and Town together to insure growth and prosperity. Waterloo IN Chambers Of Commerce Waterloo Chamber Of Commerce www.waterloochamber.com waterloo indiana dekalb auburn chamber waterloo chamber of commerce waterloo indiana dekalb auburn chamber waterloo chamber of commerce Business Reviews Waterloo Chamber Of Commerce Testimonials