PT Semen Indonesia (Persero) Tbk (known as SIG) is a state-owned holding company providing building material solutions.

With a market reach to Asia, Australia and Oceania, the company's main business is in the cement sector and its derivative products such as concrete, mortar, precast, and aggregate.

The company began its history in 1953, when the Indonesian Government established the legal entity N.V. Pabrik Semen Gresik with an installed capacity of 250,000 tons of cement per year.

In 2021, SIG entered into a strategic partnership with Taiheiyo Cement Corporation which officially holds 15.04% shares of Solusi Bangun Indonesia.

[7] Environmentally friendly multi purpose cement for general construction, housing, and concrete block wall panel applications.

[13] Provides rental and sales services for industrial land, factory buildings, warehouse, and business and property centers, complete with supporting facilities and infrastructure.

[13] Property and asset management solutions, through the development of landed house, apartments, integrated commercial areas, as well as the hospitality sector in the form of conference halls, meeting rooms, lodging, catering, and tourism.

[14] Strategic location of plants in Sumatra, Java, Sulawesi and Vietnam enable SIG to supply the needs of building materials throughout the country with the support of more than 10,000 distributors, sub-distributors and retail stores.

Along with domestic sales, SIG also exports to several countries in Asia, Australia, Oceania and Africa including: Singapore, Malaysia, Philippines, China, Bangladesh, Sri Lanka, Myanmar, Fiji, Hong Kong, Maldives, Taiwan, Chile, Peru, and Benin.