This book addresses issues and challenges of performance measurement in the maintenance function. It presents a proposal of indicators with a framework that classifies and sorts regarding functional and hierarchical aspects. The book has been developed with different aspects of traditional literature, i.e. several frameworks (or natural groupings) like BSC Balanced Scorecard, Multicriteria framework, Neely Prism and adaptation of these frameworks. Hierarchies for the use of indicators and benchmark values are provided to allow quantification, comparison and emission of recommendations.