Window Cleaning Toronto M&M Window Cleaners Limited is Toronto and The Durham Region's #1 Choice for all phases of pro window cleaning. We are a professional, reliable and courteous service company. We proudly serve the following areas in Ontario: Durham Region, Bowmanville, Newcastle, Clarington, Oshawa, Whitby, Ajax, Pickering, Port Perry, Brooklin, Columbus, Markham, Thornhill, Vaughan, King City, Call NOW for your free estimate! 647-409-8144 or visit us at http://www.mmwindowcleaners.com