STE vs ZS Comparison

Steris is an Ireland-domiciled medical technology company focused on sterilization services and infection prevention. The company is the global leader in contract sterilization services, ensuring the safe delivery of single-use and implantable medical equipment to hospitals around the world. Steris also sells sterilizers, washer-disinfectors, and other decontamination equipment and supplies for use by care provider facilities and in biopharma manufacturing sites. Domiciled in the United States before its inversion to Ireland, the firm derives approximately 70% of its revenue from Healthcare Services, 19% from Applied Sterilization Technologies, or AST, and 11% from life sciences services after the divestment of its dental products business.

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.