Window & Door releases their 2019 annual Top 100 Manufacturers list which details North America’s 100 largest manufacturers of residential windows, doors, skylights and related products, based on sales volume. Window & Door states that “this year’s list further solidified what we’ve been seeing for several years now: the industry is healthy and continues to grow.” Fenestration Canada is proud to see that numerous member companies have made the list. See the full list here.