Top 5 Roofing Companies in the United States

3. Flynn Group of Companies

Latest Twelve Month Revenue Estimate: $388 million

Flynn Group of Companies is a Canadian firm with operations in both Canada and in the U.S. It was set up in 1978 and covers both American and Canadian areas. The firm has a presence in 31 cities, out of which 15 are American cities in Maryland, Washington, Idaho, and Oregon. Flynn Group of Companies also covers a variety of buildings with its services, such as hospitals, offices, and data centers.