Enterprise service management (ESM) offerings help enhance enterprise service delivery, support core IT service management (ITSM) processes, and speed overall service delivery. But to realize these benefits, you’ll first have to select from a diverse set of vendors that vary by size, functionality, geography, and vertical market focus. Infrastructure and operations (I&O) professionals should use this report to understand the value they can expect from an ESM provider and to select one based on size and functionality.