Founded in 1927, Mapes & Sprowl Steel is a leading service center specializing in enameling steel for porcelain-coating applications, silicon electrical steel for electrical applications, Agion® antimicrobial treated steel, and electrical steel cores. Backed by metallurgical experts, and decades of collective steel mill experience, Mapes and Sprowl will have an innovative solution to your current challenge. Our employee owners display unmatched commitment and pride in their work.