Concord Control Systems Limited is an India-based company, which is engaged in the manufacturing of various electric and electronic ranges of products. The Company is an approved vendor by Research Designs and Standards Organization (RDSO) to manufacture and supply products for Indian Railways. It manufactures and supplies coach-related and electrification products for Indian railways and other railway contractors. It manufactures products required in the railway coaches, including inter-vehicular coupler, emergency lighting systems, brushless DC carriage fans, exhaust fans, cable jackets, bellows and others. Its electrification and broad-gauge network products include battery charger 200 AH, battery charger 40 AH, and tensile testing machine. It manufactures manual and automatic both battery charger with various capacity for Indian Railways. Its tensile testing machine is designed for Indian Railways to test the insulators at electrification site before insulators on the main line.