For over 50 years, Regal Steel Co. has been a provider of steel products and services in the United States. Located in Warren, Mich., the company offers a wide range of products, including ultra high strength steels, hardened and tempered spring steel and annealed spring steel. In addition, it renders slitting, edging, roller leveling, technical assistance, shearing, cut to length and other services to its customers. Regal Steel Co. is an ISO 14001 and ISO 9001 certified firm.