High-tech instrumentation systems, torque transducers, combustion-efficiency monitors, high-temperature cameras, and portable gas analyzers, are the business of Marvel Engineering Company, serving power, metallurgy, chemical, and coal customers. Founded in 1974 and headquartered in Chennai, the ISO 9001:2015-certified company brings more than 40 years of experience to government and private customers across India, offering installation, commissioning, and in-house servicing.