Premier Thermal is a steel and aluminum heat treating company with 3 divisions and 10 facilities within the Midwest. Our divisions consist of: Atmosphere Annealing (steel heat treat), Al-Fe (aluminum heat treat), and NitroSteel (Ferritic Nitrocarborizing). Our NitroSteel division specializes in FNC (Ferritic Nitrocarborizing) which is a process performed on steel bar stock to be used as a direct replacement for chrome plating applications. We service an array of industries including: automotive, heavy truck, aerospace, military/defense, energy, industrial and more! (less)