In “The Forrester Wave(TM): Enterprise Service Management, Q4 2019,” we researched, analyzed, and scored enterprise service management (ESM) providers, providing infrastructure and operations (I&O) professionals with an evaluation of the most important vendors in the ESM market. However, technology leaders must take additional considerations into account when making a final purchasing decision. This report provides a further breakdown of the ESM market, profiling common buyers, scenarios, and requirements by organization size.