Easun Reyrolle Limited, together with its subsidiaries, provides a range of power transmission and distribution products, systems, solutions, and services in India and internationally. The company offers protection, control, and automation products, including protective relays, control and protection systems, automation products, power system recorders, phaser measurement units, wide area monitoring solutions, substation automation systems for EHV/HV/MV substations, network management products, and power distribution automation products for industries. It also provides measurement and metering solutions, such as GPRS modems, data concentrator units, device management and data acquisition systems, and meter data management systems; and medium voltage switchgears comprising air and solid insulated vacuum switchgear, ring main units, and cycloalipathic CTs and PTs, as well as MV vacuum contacting and MV switchgear retrofitting services. In addition, the company undertakes turnkey substation projects consisting of green field substation, substations augmentation and modernization, transmission line, and rural electrification projects. It serves utilities, public sector companies, power generation companies, state transmission utilities, and DISCOMS, as well as various industries, such as petrochemicals, metals, paper, chemicals, cement, automotive, pharma, etc. Easun Reyrolle Limited was incorporated in 1974 and is based in Hosur, India.