The Illinois Philharmonic Orchestra's concert venue is Ozinga Chapel at Trinity Christian College in Palos Heights beginning with Opening Night, October 14, 2017. IPO also offers a summer series of Wednesday night small ensemble concerts at Ravisloe Golf Club, 18231 Park Ave., Homewood. You can get in touch with the IPO by contacting the IPO Box Office, 377 Artists Walk, Park Forest, IL 60466, (708) 481-7774