West Pharmaceutical Services, Inc. WST

WST Company Overview

West Pharmaceutical Services, Inc. is a U.S.-based medical technology and pharmaceutical packaging company that develops and manufactures injectable drug administration and containment systems for the biopharmaceutical, pharmaceutical, and healthcare industries. The company operates primarily in the drug delivery, injectable packaging, and containment solutions markets, supplying components and systems used in biologics, vaccines, generics, and specialty pharmaceuticals. Its core revenue drivers include elastomer-based stoppers and seals, advanced delivery systems for injectable medicines, and high-value containment solutions used in sensitive biologic therapies. West also provides contract manufacturing, analytical testing, and device assembly services to pharmaceutical customers.

The company traces its origins to 1923, when Herman O. West founded the business to manufacture rubber components for pharmaceutical packaging. Over time, West evolved from a packaging supplier into a global provider of integrated drug containment and delivery technologies. The company has expanded through internal product development and acquisitions, particularly in advanced injectable systems and self-administration technologies. West is widely recognized for its strong position in high-quality elastomer components and its long-standing relationships with major global pharmaceutical and biotechnology companies.