Perumnas is a State-Owned Enterprise (BUMN) in the form of a Public Company (Perum) where all of its shares are owned by the Government. Perumnas was established as a government solution in providing decent housing for the lower middle class.

The company was established based on Government Regulation Number 29 of 1974, amended by Government Regulation Number 12 of 1988, and was refined through Government Regulation No. 15 of 2004 dated May 10, 2004. Since its founding in 1974, Perumnas has always appeared and acted as a pioneer in the provision of housing and settlements for middle to lower income community.

PETRONAS is a national oil company that has transformed itself into a leading oil and gas multinational of choice and ranked amongst the largest corporation in the world. The growing demand for energy inspires and strengthens our purpose to steadily drive for new solutions and push boundaries towards a sustainable energy future. PETRONAS Carigali Indonesia is currently holding participating interests in 8 blocks across Indonesia, with 5 of them already in production stage.

PT Krakatau Posco is a joint venture company between Krakatau Steel and Posco that have experience on steelmaker manufacturing. They synergize strengthens of both company; Krakatau Steel: no.1 integrated steelmaker in South East Asia, integrated up & down stream production facilities, cooperate with government and local community; Posco: no. 3 steelmaker in the World, no. 1 most competitive global steelmaker, world-class technology, top 200 Global Companies, at rank 153rd (Forbes 2008, 2009).

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.

Danone is an international company present on all continents. The group holds top positions in healthy food through four businesses: Fresh Dairy Products, Early Life Nutrition, Waters, and Medical Nutrition. Its mission is to bring health through food to as many people as possible. Danone has over 190 production plants and around 104,000 employees. In 2013, the company generated sales of over €21 billion, with more than 60% in emerging countries.

PT. Hakaaston is a subsidiary of PT Hutama Karya (Persero) that moves in the business of providing a range of products for the construction of highways, airports, roads, Parking and others. Our products include: Asphalt concrete, Asphalt (Asphalt Emulsion), the Foundation layer of Aggregate class A and class B as well as the rock burst for concrete mix, and trading specially asphalt and cement. We also serve the services spreading and  compacting. The location of our production units which have a AMP (Asphalt Mixing Plant), Stone Crushing Plant, spreading tool and equipped laboratory tools sufficient current is distributed in Sumatera, Java, and NTB.