Browse the Top Blinds & Shutters Companies Serving Greenport, NY

Wm. J. Mills & Co. & Co. is America's oldest sailmaker, offering custom awnings, marine canvas, and handcrafted canvas bags since 1880. Based in Greenport, NY, we combine generational expertise with premium materials to deliver durable, tailored solutions for residential, commercial, and marine clients. Our services include awning installation, sail maintenance, and bespoke canvas products, all backed by a commitment to quality and tradition.