Based in Chicago Heights, Ill., Alco Spring Industries Inc. is one of the leading manufacturers of hot wound springs across the globe. The company manufactures springs for transportation, industries and government applications. It also maintains a large inventory of hot wound springs for rail, road and transportation applications. Alco Spring Industries Inc. manufactures various types of springs including mass transit springs, vibration control springs, locomotive springs, replacement springs, triple coil springs and double coil springs. It offers inventory, industrial applications and transportation products. The company serves the global agriculture, energy, mass transit and railroad industries.