EXHIBIT 21 Subsidiaries of the Registrant ------------------------------ Name of Subsidiary Jurisdiction of Organization ------------------ ---------------------------- Silgan Containers Corporation Delaware Silgan Containers Manufacturing Corporation Delaware Silgan/Southern Plastics Closure Company Delaware Silgan LLC Delaware Silgan Corporation Delaware Silgan Can Company Delaware Silgan Plastics Corporation Delaware 827599 Ontario Inc. Ontario, Canada Silgan Plastics Canada Inc. Ontario, Canada 828745 Ontario Inc. Ontario, Canada