PDM is the premier Janitorial Inspection Application. Drawing on our 40+ years of performance inspection, PDM was designed from the ground up, using provable Attributes as the essential fabric of the PDM system for inspecting, measuring and managing service performance through predictive analytics. Your success will not be about better Inspection of services; it will be about better Management of those services! Over 900,000 inspections have been performed using the PDM system. PDM means success.