Please visit Beth Cooper Acoutics website. Next class in Michgan is in Grand Rapids.The next 20-hour certification course in your area will be held at the DoubleTree by Hilton Grand Rapids Airport on October 16-18, 2017, and the 8-hour recertification course will be held at the same location on October 19, 2017. Please visit my website at http://bethcooperacoustics.com/caohc-courses/ for the full schedule and to learn more about the unique features of these courses and register online.