Fortress Minerals Limited, an investment holding company, engages in the exploration, mining, production, and sale of iron ore concentrates. It holds interest in the Bukit Besi mine located in Terengganu, Malaysia. The company is involved in the acquisition of mines, mining rights, metalliferous land, and quarries; trading of minerals. In addition, it undertakes contracts for drilling and blasting works, other site preparation activities, and mining works.