• Talk to us. We want to hear from our communities.

Community inquiries

In our effort to be an active and welcomed member of the community, we provide accessible channels for any community member or organization to connect with us. 

Our stakeholders are immensely important to us, and we're committed to open and transparent communication and proactive engagement. This includes identifying adverse community impacts at an early stage and responding to core issues of concern.

If you have a specific issue, such as a noise complaint or otherwise, please include as much information as possible (day and time, location/direction of issue, weather, etc.).  

If you are located in North America, we invite you to contact us via the following channels.

ArcelorMittal community contact numbers

1-800-422-9422

ArcelorMittal Dofasco (905) 548-7200 and enter 0, anytime (24/7) 

Email: environment.dofasco@arcelormittal.com

Contrecoeur-East: 450-392-3200

Contrecoeur-West: 450-587-2012

Contrecoeur Recycling Center: 450-392-3200

Hamilton-East: 905-528-9473

Longueuil: 450-442-7700

Montreal (St. Patrick): 514-762-5260

Reduction Plant: 450-392-3200

AM/NS Calvert: 251-289-4450

Email: AMNSCalvertCR@ArcelorMittal.com

ArcelorMittal Monterrey: 52+818-220-7984

ArcelorMittal Hamilton: 905-548-7200, enter 0 anytime (24/7) or email environment.dofasco@arcelormittal.com

ArcelorMittal Brampton: 905-451-2400

or feedback.brampton@arcelormittal.com

ArcelorMittal Shelby: 419-342-1273

ArcelorMittal Woodstock: 519-537-6671

Global R&D East Chicago: 219-399-2662

Concord, ON Canada – (905)761-1525

Woodstock, ON Canada – (519)602-0735

Detroit, MI USA – (313)332-5600

Silao, MX - +52 (472) 722 7000