Algoma Steel Group Inc. produces and sells steel products primarily in North America.

The company provides flat/sheet steel products, including temper rolling, cold rolled, hot-rolled pickled and oiled products, floor plate, and cut-to-length products for the automotive industry, hollow structural product manufacturers, and the light manufacturing and transportation industries; and plate steel products that consist of rolled, hot-rolled, and heat-treated for use in the construction or manufacture of railcars, buildings, bridges, off-highway equipment, storage tanks, ships, and military applications.

Algoma Steel Group Inc. was founded in 1901 and is headquartered in Sault Ste. Marie, Canada.