PT Semen Indonesia (Persero) Tbk is Indonesia’s first and largest cement producer, offering an integrated product portfolio that spans cement, clinker, ready-mix concrete and aggregates. Headquartered in Gresik, East Java, the company operates multiple production facilities across the Indonesian archipelago and has extended its footprint into regional markets.
The company’s primary activities include the manufacture and distribution of Portland cement and blended cement under several well-known brands. In addition to its core cement operations, Semen Indonesia produces and sells ready-mix concrete and aggregates for the construction sector. Its integrated supply chain encompasses quarrying, kiln production, logistics and warehousing to ensure consistent quality and timely delivery.
Semen Indonesia serves customers throughout Indonesia and has established a presence in Southeast Asia. Through its subsidiaries—such as PT Semen Padang, PT Semen Tonasa and international operations including Thang Long Cement in Vietnam—the company supports infrastructure, commercial and residential construction projects. Its broad geographic footprint allows it to respond to domestic demand while capturing export opportunities in neighboring markets.
Founded in 1957 as PT Semen Gresik, the company now operates under the stewardship of President Director Izudin Ramli. As a state-owned enterprise under Indonesia’s Ministry of State-Owned Enterprises, Semen Indonesia continues to focus on capacity expansion, operational efficiency and sustainable practices to reinforce its leadership in the regional cement industry.
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