West Pharmaceutical Services Inc. is a global manufacturer in the design and production of technologically advanced, integrated containment and delivery systems for injectable drugs and healthcare products. Its segments include Proprietary Products and West Vantage. Its Proprietary Products segment offers proprietary packaging, containment solutions and drug delivery systems, along with analytical lab services and other integrated services and solutions, primarily for biologic, generic and pharmaceutical drug customers. Its West Vantage segment serves as a fully integrated business, focused on the design, manufacture, and automated assembly of complex devices, as well as combination product assembly and packaging, primarily for pharmaceutical, diagnostic, and medical device customers. It also maintains collaborations to share technologies and market products with affiliates in Japan and Mexico. Its customers include generic, pharmaceutical, diagnostic, and medical device companies.