ISO Certifications Steel Processing Facility Certifications Steel Division-ISO-14001-Certificate Steel Division-ISO-45001-Certificate Cleveland-IATF-16949-Certificate Columbus-IATF-16949-Certificate Decatur-IATF-16949-Certificate Delta-IATF-16949-Certificate Middletown-IATF-16949-Certificate Monroe-IATF-16949-Certificate Porter-IATF-16949-Certificate Rome-ISO-9001-Certificate Spartan-Steel-Coating-IATF-16949-Certificate WSCP-Cleveland West-IATF-16949-Certificate WSP-Jackson-IATF-16949-Certificate WSP-Taylor-IATF-16949-Certificate Pressure Cylinders Facility Certifications Austria – IATF-16949, ISO-9001:2015, ISO 14001:2015, ISO-13485:2012, ISO 45001-2018 Columbus, Corporate, Jefferson, and Westerville, Ohio | Maize, Kansas | Chilton, WI | Paducah, KY | West Warwick, RI - ISO-9001:2015 Poland–IATF-16949-Certificate