Cleveland-Cliffs Inc

Doing Business with Us

Founded in 1847, Cleveland-Cliffs has been traditionally recognized as the largest and oldest independent iron ore mining company in the United States. In 2020, Cleveland-Cliffs conducted the acquisition of two prominent steel companies in the United States, AK Steel and ArcelorMittal USA.  Today, Cleveland-Cliffs is the largest flat-rolled steel company and the largest iron ore pellets producer in North America. As we are in the process of integrating our businesses, you will find essential information on how to do business with us in this section.

Important Links

Customer Centers


Supplier Portal  (former AMUSA suppliers; sign-in required)

Transportation Management Carrier Portal

Vendor Inquiry (former AMUSA vendors)

Vendor Inquiry Portal

Procurement Terms and Conditions

Document Library 

For Customers

Sales Contacts

Pellets and Metallics

For Steel and Tubing,
Contact Our Customer Service
Contact AK Steel Online

200 Public Square, Suite 3300, Cleveland. OH 44114-2544 - Phone: 216-694-5700