Semen Indonesia (Persero) Tbk PT 

Operating both domestically in Indonesia and internationally, PT Semen Indonesia (Persero) Tbk, through its subsidiaries, is primarily engaged in the production, packaging, and distribution of cement. Beyond this core business, the company's extensive operations span a variety of sectors. These include the extraction of raw materials like limestone and clay, the manufacturing of cement bags, and the development and rental of industrial properties. It also specializes in ready-mix concrete and aggregates quarry production, alongside providing services in consulting, mining, trading, transportation, and construction. The group's broader ventures encompass information systems, investment, freight forwarding, stevedoring, maritime shipping, service logistic management, outsourcing, and the supply of building materials, as well as the procurement of public goods and services. Founded in 1953, the company was formerly named PT Semen Gresik (Persero) Tbk, adopting its present name in January 2013. Its corporate headquarters are situated in Jakarta Selatan, Indonesia.