Allow the experienced and trained roofers at Ontario Roofing Contractors to assist you, whether you are repairing an existing roof or installing a new one on a house, arranging an annual inspection, or seeking advice on skylight installation. We are a family-owned and managed roofing company in Ontario. Our expertise is in removing old roofs, such as cedar or composite shingles, and replacing them with new shingles from industry-leading manufacturers. We can also install metal roofing and flat roofing. All of our work is backed by a Lifetime Warranty, ensuring your satisfaction for as long as you own your home.