Winpak Ltd. manufactures and distributes packaging materials and related packaging machines in the United States, Canada, and Mexico. It operates through three segments: Flexible Packaging, Rigid Packaging and Flexible Lidding, and Packaging Machinery. The Flexible Packaging segment provides modified atmosphere packaging products for fresh and processed meats, poultry, cheese, medical device packaging, high-performance pouches, and high-barrier films for converting applications; specialty films for barrier and non-barrier film converting applications, such as printing, laminating and bag making, as well as shrink bags; and biaxially oriented nylon films for food packaging and industrial applications. The Rigid Packaging and Flexible Lidding segment offers portion control and single-serve containers, as well as plastic sheet, custom, and retort trays; die-cut, daisy chain, and rollstock formats for food, dairy, beverage, pet food, industrial, and healthcare applications; and specialized printed packaging solutions for the pharmaceutical, healthcare, nutraceutical, cosmetic, and personal care markets. The Packaging Machinery segment provides horizontal fill and seal machines for preformed containers and vertical form, fill, and seal pouch machines for pumpable liquid and semi-liquid, as well as various dry products. The company was incorporated in 1975 and is based in Winnipeg, Canada. Winpak Ltd. operates as a subsidiary of Wihuri International Oy.