Tool King, Inc. is a Wheeling, IL–based ISO 9001:2015 certified metal service center providing precision narrow-width flat‑rolled metals. Since 1976, the family‑owned company has specialized in high-quality carbon steels, stainless steels, aluminum, and copper-based alloys. Tool King offers expert slitting, edging (including round, square, beveled, safety, and custom profiles), and packaging services—such as oscillate and ribbon coil winding. Compliant with RoHS and conflict-materials guidelines, they serve diverse industries including aerospace, medical, automotive, and appliance. With six slitting lines, three edging units, and bilingual customer support, Tool King is a trusted partner for tight-tolerance, value-added metal processing.