PT. Istaka Karya (Persero) is a state-owned enterprise working in general construction services and it was initially established under the name of PT. ICCI (Indonesian Consortium of Construction Industries) consisting of eighteen (18) major contracting companies in Indonesia. Its determination in construction field was shown in the accomplishments in 1985, including its success in handling various projects worth USS 300 million in Saudi Arabia.

Bank Rakyat Indonesia (BRI) is one of the largest state-owned banks in Indonesia. Initially, Bank Rakyat Indonesia (BRI) was established in Purwokerto, Central Java by Raden Bei Aria Wirjaatmadja under the name of De Poerwokertosche Hulp en Spaarbank der Inlandsche Hoofden or "Help and Savings Bank of the Aristocrats in Purwokerto", a financial institution which served people of the Indonesian nationality (the natives). The institution was incorporated on December 16, 1895, which later becomes the anniversary of BRI.

Sucofindo is the first inspection institution in Indonesia and was established on October 22, 1956. The Indonesian government is the major shareholder with 95 percent ownership, while the Societe Generale de Surveillance Holding SA (SGS) holds the remaining 5 percent. 

Sucofindo started our business operation in trading, particularly agricultural commodities, in facilitating export-import of goods, and in securing national income from international trading. 

PT Pos Indonesia (Persero) is a State-owned enterprises (SOE) engaged in the courier services, logistics, and financial transactions. The name of PT Pos Indonesia (Persero) is officially used in 1995, having previously used the name dinas PTT (Posts Telegraaf end Telefoon Diensts) in 1906; then turn into Djawatan PTT (Postal Telegraph and Telephone) in 1945; then changed status to Posts and Telecommunications State Corporation (PN Postel) in 1961; and became a PN Post & Giro in 1965, and later became Post and Giro Public Corporation in 1978.

PT PLN (Persero) is an electrical service provider in Indonesia. With a vision to be a "recognized as a growing, superior, and trusted world class company which is relying on Potensi Insani", PT PLN (Persero) is committed to electrify the entire archipelago. We believe that human potential is the greatest asset and our future, so we are investing heavily to get the future leader candidates who will develop PT PLN (Persero) became a World-class company and face the future business challenges.

Bank Rakyat Indonesia (BRI) is one of the largest state-owned banks in Indonesia. Initially, Bank Rakyat Indonesia (BRI) was established in Purwokerto, Central Java by Raden Bei Aria Wirjaatmadja under the name of De Poerwokertosche Hulp en Spaarbank der Inlandsche Hoofden or "Help and Savings Bank of the Aristocrats in Purwokerto", a financial institution which served people of the Indonesian nationality (the natives). The institution was incorporated on December 16, 1895, which later becomes the anniversary of BRI.