WST vs ZS 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.

Zscaler is a software-as-a-service, or SaaS, firm focusing on providing cloud-native cybersecurity solutions to primarily enterprise customers. Zscaler's offerings can be broadly partitioned into Zscaler Internet Access, which provides secure access to external applications, and Zscaler Private Access, which provides secure access to internal applications. The firm is headquartered in San Jose, California, and went public in 2018.