West Pharmaceutical Services (NYSE: WST) — Company Overview, News & Financial Data
West Pharmaceutical Services is a leader in integrated containment and delivery solutions for injectable drugs in healthcare.

West Pharmaceutical Services
West Pharmaceutical Services is a manufacturer and developer of injectable drug containment and delivery components and systems. The company produces primary packaging and administration components for injectable pharmaceuticals, including elastomeric stoppers and plungers, syringe components, cartridge systems, self-injection devices, and vial transfer systems. Additionally, it offers contract manufacturing services, analytical testing, engineering design, and regulatory support to pharmaceutical and biotechnology companies. Headquartered in Exton, Pennsylvania, the business operates production facilities and research centers across North America, Europe, Asia Pacific, and South America, supporting drug development and commercial distribution.
Snapshot
Operations
Products and/or services of West Pharmaceutical Services
- Vial Containment Solutions: Components including elastomeric stoppers, aluminum seals, and flip-off caps designed to seal glass and plastic vial systems for parenteral medications, supplied globally for vaccines, biologics, and small-molecule injectable pharmaceuticals.
- Prefillable Syringe Components: Custom plungers, tip caps, and needle shields engineered for glass and plastic prefillable syringe systems, providing primary packaging containment and sterility maintenance for biologic drug formulations and vaccines.
- Self-Injection Technologies: Wearable devices, mechanical auto-injectors, and cartridge-based pen systems engineered for subcutaneous self-administration of high-volume or high-viscosity biological therapies in clinical and home healthcare environments.
- Contract Manufacturing Services: Custom medical device design, mold engineering, cleanroom injection molding, automated assembly, and specialized packaging services for combination drug-device products, diagnostic components, and complex healthcare delivery tools.
- Cartridge Systems and Components: Precision elastomeric stoppers, plungers, and closure components engineered for multi-dose and single-dose drug cartridges used in pen injectors, dental anesthesia devices, and automated emergency administration systems.
- Analytical Testing and Regulatory Services: Comprehensive laboratory services evaluating container closure integrity, extractable and leachable profiles, drug-component compatibility, and regulatory documentation assistance for global approval of combination drug delivery products.
West Pharmaceutical Services executive team
- Mr. Eric M. GreenNon-Independent Chair of the Board, President & CEO
- Ms. Annette F. FavoriteChief Human Resources Officer & Senior VP
- Mr. Robert W. McMahon C.M.A.Senior VP & CFO
- Mr. Chad R. WintersVP of Finance & Chief Accounting Officer
- Dr. Devesh MathurSenior VP & CTO
- Mr. John P. Sweeney C.F.A.Vice President of Investor Relations
- Mr. Norman FinchSenior VP, General Counsel & Corporate Secretary
- Michele PolinskyVice President of Global Communications
- Mr. Rudy PoussotSenior Vice President of Strategy & Corporate Development
- Ms. Kathy DePaduaSenior VP and Chief Quality & Regulatory Officer