Establishment
The company was established under the name PT Perdana Karya Kaltim
Perdana Karya Perkasa First Known
Change of name to PT Perdana Karya Perkasa
Stock Exchange
Listing its shares on the Indonesia Stock Exchange in the real sector of coal mining
Classification Change
Changed industrial classification to Oil & Gas Mining
Change of Controlling Shareholder
PT Deli Pratama Batubara acquires most of the shares