WST vs WDC Comparison

West Pharmaceutical Services is based in Pennsylvania and is a key supplier to firms in the pharmaceutical, biotechnology, and generic drug industries. West sells elastomer-based packaging components (including stoppers, seals, and plungers), nonglass containment solutions, and auto-injectors for injectable drugs, which include large-molecule biologics, peptides such as GLP-1 receptor agonists, and small-molecule drugs. The company reports in two segments: proprietary products (about 80% of total revenue) and contract-manufactured products (about 20% of total revenue). It generates approximately 55% of its revenue from international markets and 45% from the United States.

Western Digital is a leading vertically integrated supplier of hard disk drives. The HDD market is essentially a duopoly, with Western Digital and Seagate as the two largest players. Western Digital designs and manufactures its HDDs, with much of the manufacturing and workforce located in Asia. Data centers are the primary consumers of HDDs.