West Pharmaceutical Services, Inc. engages in the design, manufacture, and sale of containment and delivery systems for injectable drugs and healthcare products. It operates through the Proprietary Products and Contract-Manufactured Products segments. The Proprietary Products segment offers proprietary packaging, containment solutions, drug delivery systems, analytical lab services, and other integrated services and solutions, primarily to biologic, generic, and pharmaceutical drug customers. The Contract-Manufactured Products segment serves as a fully integrated business focused on the design, manufacture, and automated assembly of complex devices, primarily for pharmaceutical, diagnostic, and medical device customers. The company was founded by Herman O. West on July 27, 1923 and is headquartered in Exton, PA.