WST vs PPG 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.

PPG is the world's second-largest producer of paints and coatings. PPG's products are sold to a wide variety of end users, including industrial segments such as automotive, aerospace, and protective and marine, as well as paint contractors and do-it-yourself customers. The company has a footprint in many regions around the globe, with less than half of sales coming from North America in recent years.