Wm. J. Mills & Co. is a family-owned business established in 1880, specializing in handcrafted custom canvas products, canvas bags, sails, rigging, and awnings. Their products are made in the USA at their shop in Greenport, N.Y. on Long Island. The company is currently operated by the fifth generation of the Mills family, ensuring quality goods and services. With a focus on craftsmanship and attention to detail, Wm. J. Mills & Co. offers a range of fabric options like Sunbrella, Sattler, and Tempotest for their custom canvas and awning solutions.