Ontario Power Washing also serves Ajax, Aurora, Beaverton, Bolton, Bowmanville, Brampton, Burlington, East Gwillimbury, Etobicoke, Halton Hills, Keswick, King City, Markham, Milton, Mississauga, Newcastle, Newmarket, North York, Oakville, Oshawa, Pickering, Port Perry, Richmond Hill, Scarborough, Stouffville, Uxbridge, Vaughan and Whitby