Winpak Ltd. manufactures and distributes packaging materials and related packaging machines in the United States, Canada, Mexico, and internationally. The company operates through three segments: Rigid Packaging and Flexible Lidding, Flexible Packaging, and Packaging Machinery. The Rigid Packaging and Flexible Lidding segment offers portion control and single-serve containers, plastic sheets, and custom and retort trays, as well as lidding products for food, pet food, beverage, dairy, and industrial and healthcare applications; and specialized printed packaging products to the pharmaceutical, healthcare, nutraceutical, and cosmetic and personal care markets. The Flexible Packaging segment provides modified atmosphere packaging products for fresh and processed meats, poultry, cheese, medical device packaging, pouch, and high-barrier films for converting applications; barrier and non-barrier films for printing, laminating, and bag making, including shrink bags; and biaxially oriented nylon films for printing, metalizing or laminating processes, and food packaging and industrial applications. The Packaging Machinery segment offers horizontal fills/seal machines for containers and vertical form/fill/seal pouch machines for pumpable and semi liquid and dry products. The company was incorporated in 1975 and is headquartered in Winnipeg, Canada. Winpak Ltd. operates as a subsidiary of Wihuri Packaging Oy.