B&L Wholesale Supply is the region’s largest wholesale distributor of residential and commercial building materials. With 6 locations servicing Rochester, Buffalo, Jamestown, N.Y.; and Erie, Pittsburgh, PA., – we specialize in roofing, siding, windows, doors, decking, railing, decorator products and more, featuring the industry’s leading products. Since we were founded in 1950, customer satisfaction is our No. 1 goal.