PT Black Diamond Resources Tbk engages primarily in coal mining and related mining activities in Indonesia, focusing on the production, transportation, and handling of coal. Through its subsidiary PT Dayak Membangun Pratama, it operates a coal mining concession covering approximately 4,883 hectares in Kurun District, Gunung Mas Regency, Central Kalimantan. The company's main products and services include coal extraction, hauling, stockpiling, and jetty operations facilitating coal exports. Founded in 2017 originally as PT Black Diamond Borneo, it rebranded to its current name in 2021 and is headquartered in South Jakarta.
Recent major company changes include the 2021 reorganization into a holding company structure, broadening its business scope organically and via acquisitions to consolidate coal mining and related services under one entity. The company continues strategic expansion in Central Kalimantan with infrastructure developments supporting mining operations and logistics. Financially, it reported earnings for the nine months ended September 2025 showing sales of IDR 241.3 billion and net income of IDR 31.3 billion, indicating ongoing operational scale and market presence. Black Diamond Resources emphasizes good corporate governance and social responsibility initiatives in its local operational areas to foster sustainable mining practices and community relations.
The company operates within the Indonesian coal industry targeting both domestic and export markets, leveraging its strategic location in Central Kalimantan to supply coal for energy and industrial customers primarily in the Asia-Pacific region. Its business segments encompass coal mining and related transportation/logistics services, an integrated supply chain approach from extraction to delivery. The company’s corporate governance commitment aligns with principles of transparency, accountability, and fairness, reflecting in its operational policies and stakeholder engagements. PT Black Diamond Resources Tbk remains an active player in Indonesia's coal sector with focused development and operational efficiencies to maintain competitive positioning.