CSC Steel Holdings Bhd is an investment holding company. Along with its subsidiaries, its business activities include the manufacturing and marketing of pickled and oiled steel, cold rolled steel, hot dipped galvanized steel, commonly known as GI, and pre-painted galvanised steel, commonly known as PPGI or colour coated steel products. These products are marketed through brands like Realzinc and Realcolor. The group's reportable operating segments are Cold rolled and coated steel products and Investment holding. A vast majority of the revenue is generated from the Cold rolled and coated steel products segment. Geographically, the group generates a majority of its revenue from Malaysia and the rest from other Asian Pacific regions.