Calibration and validation services are the specialty of Mastertech Systems Calibration Services (OPC) Pvt Ltd, a NABL-accredited firm covering electro-technical, thermal, pressure, dimensional, weighing-balance, weights, and volume instruments. Founded in 2014 and operating from Akurdi in Pune, it serves pharmaceutical, chemical, manufacturing, and healthcare customers, and its sophisticated laboratory, equipped with nationally and internationally traceable reference standards, ensures compliance with ISO/IEC 17025:2017.