Silgan Holdings Inc is a manufacturer of rigid packaging for shelf-stable food and other consumer goods products. It operates three businesses: metal container business, closures business and plastic container business. The Company�s products include steel and aluminum containers for human and pet food and general line products; metal, composite and plastic vacuum closures for food and beverage products and plastic closures for the dairy and juice markets, and custom designed plastic containers, tubes and closures for personal care, food, health care, pharmaceutical, household and industrial chemical, pet care, agricultural chemical, automotive and marine chemical products. The Company�s products are used for a variety of end markets and it operates 81 manufacturing plants in North America, Europe, Asia and South America. In August 2012, it acquired the plastic food container operations of Rexam PLC. Effective October 22, 2013, Silgan Holdings Inc acquired Portola Packaging Inc.