ISO Certifications

Please note: Our Rome, New York facility has transitioned from ISO certification to IATF. You can find that certification on our IATF certificates page: https://www.worthingtonsteel.com/our-company/company-resources/iatf-certificates

Cleveland Strip, Columbus, Delta, Middletown, Monroe, Porter, Spartan, Taylor, TWB (Antioch, Canada, Canton, Glasgow, Monroe, Valley City), WS Bowling Green, Worthington Samuel Coil Processing (Cleveland, Twinsburg) - ISO-14001

Cleveland Strip, Columbus, Delta, Middletown, Monroe, Porter, Spartan, Taylor, TWB (Antioch, Canada, Glasgow, Monroe), WS Bowling Green-ISO-45001

Tempel Chicago-ISO-14001

Tempel China-ISO-14001

Tempel China-ISO-45001

Tempel India-ISO-14001

Tempel India-ISO-45001

Tempel Mexico-ISO-14001

Tempel Canada-ISO-9001

Tempel Nagold-ISO-50001

Tempel Nagold-ISO-9001

Tempel Nagold-ISO-16949