National Keystone Products, 616 Hollywood Ave, Cherry Hill, NJ 08002, US

Based in Pennsauken, N.J., Helvoet Pharma USA is a division of Helvoet Pharma, a worldwide manufacturer of rubber closures and aluminium and plastic caps for pharmaceutical packaging, drug delivery and diagnostics. Its rubber products include stoppers, plungers, discs, needle shields, components for aerosol dosing devices and parts for medical devices. The company also offers a wide range of aluminum and plastic, including caps, flip caps for injection vials, and infusion bottles and plastic hangers for glass infusion bottles. Established in 1970, Helvoet Pharma has more than 1,200 employees and produces over 12 billion parts annually. Helvoet Pharma is the pharmaceutical packaging division of the D twyler Holding.