In addition to tin mining, the Company runs non-tin mining business and business activities beyond mining operations, that is services, through its subsidiaries. 
The following types of non-tin products and services are produced through the Company's subsidiaries:
- Nickel, coal, and quartz sand products.
- Engineering and ship repair services to serve both internal and external demand to the Company, namely the provision of marine ship maintenance services, marine shipbuilding, trading services (leasing/buying) marine ship products, and other shipyard services.
- Reclamation and agribusiness services including agriculture, animal husbandry, fisheries, trade, essential oil industry, and agro-tourism services.
- Real estate/property, engaging in the development sector or land management for residences and shophouses as a residential supporting facility.
