PT Rakata Realtindo (R2) is a subsidiary company which is engaged in property occupancy 99.99 % of its shares are owned by PT KIEC.

PT Krakatau Prima Dharma Sentana ( KPDS ) supplying the material needs deoxidator ( Aluminum Deoxidator ) on iron / steel industry, electrical connectors, automotive, cathodic protection. Investments in shares of PT KIEC by 25 %

PT Krakatau Medika is a subsidiary that engaged in health services with a current capacity of 209 hospital beds 2 with a building area of 21,500 m . Investments at 23:05 PT KIEC

PT Krakatau IT ( KIT ) is a subsidiary company of PT Krakatau Steel ( Persero ) Tbk, which specializes in business information technology widely. Investments in shares amounting to 11.72% of PT KIEC

One manufacturer of high quality galvanized steel . Since 1971 , Kerismas group continues to grow in line with sustainable development in Indonesia and Asia . Investments in shares of PT KIEC of 19:54 % .

PT.KIEC , POSCO Chemtech and Dong - Suh establish a joint venture company namely PT.Krakatau Poschem Dongsuh Chemical Coaltar batubara.PT for business . Krakatau Posco ' s Coke Ovent Plan ( COP ) produces some byproducts such as coke oven gas ( COG ) , Coal Tar , Light Oil and Sulphur . Investments in shares of PT KIEC by 30 %

Joint Venture Company between PT . Krakatau Industrial Estate Cilegon ( KS Group ) and POSCO CHEMTECH COMPANY LTD . ( POSCO Group ) is engaged in Lime Calcination Plant Industri. Investments in shares of PT KIEC by 20 %