West Pharmaceutical Services, Inc. manufactures and markets pharmaceuticals, biologics, vaccines and consumer healthcare products. It operates through the following business segments: Proprietary Products and Contract-Manufactured Products. Read More The Proprietary Products segment offers proprietary packaging, containment and drug delivery products, along with analytical lab services, 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.