National Railway Supply (NRS) supplies flooded lead acid, VRLA, nickel cadmium, and air alkaline batteries, a full line of dependable state-of-the-art battery chargers, and related products with a focus on the railroad and mass transit industries. In addition, NRS markets to firms ancillary to the railroad and mass transit industry, “Original Equipment Manufacturers”, and electrical design firms. We are the exclusive representative for EnerSys products in the North American rail market.