Cleveland-Cliffs Inc is the largest supplier of iron ore products to the North American steel industry. Iron ore is the fundamental raw material for integrated steel companies that make steel in blast furnaces. Subsidiaries of the Company manage and hold equity interests in five iron ore mines in Michigan, Minnesota and Eastern Canada. Nearly all the integrated steel companies in North America are partners or customers. Cliffs has a major iron ore reserve position in the United States and is a substantial iron ore merchant.

Cliffs is developing a significant ferrous metallics business to primarily serve steel companies that make steel in electric arc furnaces. The Company's first project is a hot briquetted iron (HBI) plant in Trinidad and Tobago.

Cliffs is in its 155th year of service to the steel industry.