Since 1981, Ostaco's has exceled in manufacturing vinyl windows & doors of unparalleled quality. Ostaco has always prided itself for being a benchmark in the Canadian window & door industry, providing high quality, innovative products. All Ostaco windows are custom and manufactured to your personal specifications. Statements Windows and Doors is located in Oakville and Markham we service the greater GTA including, Toronto, Vaughan, Mississauga, Burlington and beyond and even as far as Muskoka and Collingwood. We specialize in window and door supply for new construction as well as replacement. We have a qualified installation team that will make sure the job gets done right!