CAL-ON was established in the year 1999, to manufacture Electronic Weighing Scales and Systems. In 2003, CAL-ON emerged as leader in united AP State. During the course of time, as part of diversification and expansion process, company has added more feathers in the product line, viz, RTMS and GSM based solutions, Waste management solutions and products, Hand Held Terminals (POS), Billing Machines, Bluetooth Printer, Vehicle Tracking Devices, Infant Protection System, Jewellery Protection Device with App, Inventory Monitoring System, etc...