• Building performance indicator (BPI)
• Maintenance efficiency indicator (MEI)
• Manpower sources diagram (MSD): a ratio of in-house and outsourcing expenditures
• Managerial span of control (MSC): a ratio of a manager and subordinated personnel
• Business availability in %: an available floor area over an entire floor area over year
• Manpower utilization index (MUI) in %: a ratio of man-hours spent on maintenance and total available man-hours
• Preventive maintenance ratio (PMR) in %: a ratio of man-hours spent on preventive maintenance and total maintenance
• Urgent repair request indicator (URI) and general repair request indicator (GRI): occurrence/10,000 m2
• Average time to repair (ATTR): unit repairing time in hour
• Maintenance productivity (under development)