ROK vs ZS Comparison

With roots tracing back to the early 1900s, Rockwell Automation is the successor to Rockwell International, which spun off its avionics segment in 2001. It is a pure-play industrial automation company that operates through three segments. Its largest segment by revenue, intelligent devices, sells factory floor-level devices such as motors, drives, sensors, relays, and actuators. Its software & control segment sells visualization, simulation, and human-machine interface software and control products such as programmable controllers, computers, and operator terminals. Its smallest segment, lifecycle services, offers digital consulting, engineered-to-order services, and other outsourced services such as remote monitoring, cybersecurity, and asset and plant maintenance and optimization.

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.