Castro engineering works enjoys a commendable repute as the best calibration company in Kolkata since inception .We are located in the industrial area of Howrah serving our clients with improved Technical & Management system on a par with the rising global standard. From far flung of our country .Our vast industry experience in the respective field helped us to acquire appraisable position in the calibration field. The company is proud of the team members who are dedicated and help our company to deliver the assignment of any size on time. We can describe ourselves as the leading service provider in various nature, scale, status and stature for implementation and aim of serving our clients with calibration, Technical and Management consultancy with focus on Calibration of the measuring & testing instruments, Repairing and Servicing, Instrument supply, Laboratory (Mechanical & Chemical) set up as per requirement of ISO/IEC 17025:2005, ISO 9001:2008 (Quality Management System), ISO 14001:2004 (Environmental Management System), OHSAS 18001: 2007, ISO 22000:2005 (Food Safety Management System), ISO/IEC 17025:2005 (NABL), Product License (ISI) Consultancy & Training Services.