- Business
- PT Petrosea Tbk PT Petrosea Tbk is an Indonesia-based multi-disciplinary company providing integrated mining services, engineering, procurement and construction (EPC), and oil and gas support solutions; its mining operations encompass comprehensive pit-to-port contracts including overburden stripping, drilling, blasting, lifting, hauling, mine services, mine partnering, and coal sales, while the EPC segment delivers tailored engineering, procurement, construction, and equipment hire services to oil and gas onshore/offshore projects, infrastructure, industrial, manufacturing, and utilities sectors; the services division operates deep-water supply bases, port facilities, and logistics in locations such as Tanjung Batu in East Kalimantan and Sorong in West Papua. Founded in 1972 and headquartered in South Tangerang, Indonesia, at Indy Bintaro Office Park, the company serves mining, energy, and infrastructure clients primarily across Indonesia with recent international extensions, employing over 4,600 personnel and listed on the Indonesia Stock Exchange (IDX: PTRO) since 1990. In recent developments, PT Petrosea Tbk expanded its oil and gas capabilities through its subsidiary PT Petrosea EPC's acquisition of 51% stakes in PT Hafar Daya Konstruksi for civil construction and engineering procurement installation services and PT Hafar Daya Samudera for sea transportation, finalized on August 15, 2025, for a combined value exceeding Rp400 billion; it also pursued international diversification by signing a conditional agreement in early August 2025 to acquire HBS (PNG) Limited and subsidiaries in Papua New Guinea for AUD 40 million to enter gold mining contracting; additionally, in November 2025, it completed the majority acquisition of Singapore-based Scan-Bilt Pte. Ltd. via Petrosea Services Solutions Ltd. for USD 8.03 million to bolster multidisciplinary services. These strategic moves align with ongoing business diversification into energy and precious metals sectors, enhancing operational synergies, market share, and project capabilities beyond traditional Indonesian coal mining.