Ontario Screen Systems Inc. | 194 followers on LinkedIn. We are the leading provider of Phantom retractable screens for doors, windows, and large openings in Ontario. | Ontario Screen Systems Inc. has been the Authorized Distributor of Phantom Screens products throughout the province of Ontario since 1994. Centrally located in Mississauga, our dedicated team of technicians and installers have more than 125 years of combined installation experience. Phantom Screens’ specializes in providing screening solutions that are both attractive and functional.