In our 28-criteria evaluation of enterprise service management (ESM) providers, we identified the 12 most significant ones — Atlassian, Axios, BMC Software, CA Technologies, Cherwell Software, EasyVista, IBM, Ivanti, Micro Focus, ServiceNow, SunView and TOPdesk — and researched, analyzed, and scored them. This report shows how each provider measures up and helps infrastructure and operations (I&O) professionals make the right choice.