WST vs SQM 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.

Sociedad Quimica y Minera de Chile is a Chilean commodities producer with significant operations in lithium (primarily used in batteries for electric vehicles and energy storage systems), specialty and standard potassium fertilizers, iodine (primarily used in X-ray contrast media), and solar salts. The company extracts these materials through its high-quality salt brine deposits and caliche ore. SQM also sells lithium concentrate from a joint venture hard rock lithium project in Australia and expanding its lithium refining assets in China.