GBA Master Series Inc.released GBA FleetMasterandGBA EquipmentMaster . The applications complement the GBA Master Series Infrastructure Management software suite. The suite includes programs for maintenance management, materials inventory and customer complaint tracking. All modules are integrated with GBA GIS Master, an extension of ESRI’s ArcView GIS software. The two new applications track associated attributes for vehicles and equipment, preventative maintenance needs based on time and usage, historical information work, and personnel, materials and equipment used. Estimated remaining life of the asset includes a calculation of projected remaining usage.