PT United Tractors Tak is engaged in various business activities, including the sales and rental of heavy equipment (construction machinery) and the related after-sales services; mining and mining contracting; engineering, planning, assembling, and manufacturing components of machinery, tools, parts, and heavy equipment; vessel construction and vessel related repair services; vessel charter and shipping services; construction industry; power plant, and fishery industry. The Company’s segments include construction machinery, mining contracting, mining, and other related segments. The construction machinery segment includes the sale of heavy equipment and the provision of after-sales services. The mining contracting segment delivers mining services to concession holders. The mining segment engages in the extraction and sale of coal, gold, and other minerals. Other segments offer construction, energy, and related services.