Member
PT Macika Mineral Industri
MMI is established in the late 2012 by PT. Macika Mada Madana And MMI share is owned by Macika Mada Madana & Brillimetal Group.
PT Delta Prima Steel
A smelter company that produces sponge iron or also well known as Direct Reduction Iron (DRI).
PT Meratus Jaya Iron & Steel
Krakatau Steel bermitra dengan PT Aneka Tambang Tbk (ANTAM), BUMN yang kompetensi utamanya dalam bidang industri pertambangan dan membentuk perusahaan patungan yang diberi nama PT Meratus Jaya Iron & Steel (MJIS) untuk mewujudkan rencana pengembangan industri besi baja di Kalimantan Selatan.
PT Smelting 
PT Smelting was established in February 1996 as the first copper smelter and refinery in Indonesia with approximately US $500 million for direct construction cost.
