West Pharmaceutical Services is a medical packaging manufacturing company. It offers a variety of storage products in addition to various services that include research and development, distribution and biological and technical support. The company specializes in thermoset and thermoplastic polymer systems. It provides packaging parts, components and accessories, such as stoppers, seals, glass vials, plastic closures, containers, transfer and mixing systems. Its testing services include package extractable tests for drug products, seal integrity and drug stability testing. The company serves a range of health care sectors, such as pharmaceuticals, medical devices, diagnostics, ophthalmics, dental anesthesia and veterinary science.