PT Cisangkan is a specialist in pre-cast concrete products encompassing concrete roof, blocks, tiles, curbs and pipes, as well as ventilation and paving blocks, and replica stones. The company’s factory is located in Purwakarta, West Java, with its head office located in Bandung.

Duta Sarana Perkasa is a leading producer of concrete pipes and precast concrete products in Indonesia. Duta Sarana Perkasa’s main product line is spun pipes, and the company has production facilities in multiple locations throughout Indonesia.

Jongka Indonesia is a leading Industrial wire manufacturer in Indonesia.

Paradise Perkasa was established in 1993 and is a leading company involved in the supply and manufacture of industrial construction materials namely piping materials and steel bars as well as the provision of engineering services.

PT Trisakti Mekarmandiri is an Indonesian company specializing in designing and installing mechanical and electrical systems. The company’s portfolio includes installations for laboratories in schools, universities, hospitals and pharmaceutical companies, as well as for office and residential buildings, factories and warehouses.

Royal Corporation is a leading property company involved in a number of civil engineering projects as well as the hospitality industry with a spa brand in Indonesia.

Acset Indonusa Tbk is a construction engineering specialist with expertise in ground and foundation works. The company's services range from slipform construction and formwork systems, to waterproofing, pre-stressing, post-tensioning, basement construction and strutting. Acset Indonusa is a parent company to a number of subsidiaries, including PT Innotech Systems, PT Sacindo Machinery, PT Aneka Raya Konstruksi Mesindo, PT ATMC Pump Services, and Vietnam-based Acset Indonusa Co Ltd.

Adhi Karya (Persero) Tbk is state-owned enterprise specializing in infrastructure construction and property development. The company has extensive project experience, including government-commissioned infrastructure works for roads, bridges, hospitals, power plants, ports and airports, as well as private projects such as mixed-use development and office towers. Adhi Karya through its subsidiaries Adhi Persada Beton and Adhi Persada Properti is also involved in precast concrete manufacturing, and residential as well as commercial property development.

Bukaka Teknik Utama Tbk is an Indonesia-based publicly-traded company primarily engaged in providing engineering, procurement and construction services. The company's expertise include steel towers, steel bridges, boarding bridges, power generators, road construction equipment, and oil and gas equipment. Bukaka Teknik Utama is a parent company to PT Bukaka Mandiri Sejahtera, PT Bukaka Forging Industries and PT Bukaka Energi.

Pembangunan Perumahan (Persero) Tbk is an Indonesia-based publicly-traded company primarily engaged in providing building and civil construction services. The company's business activities include building and infrastructure construction, engineering procurement and construction (EPC), property and realty, and investment.