IS DONGSEO CO., LTD is a Korea-based company principally engaged in the construction business. The Company operates its business through six segments. Construction Segment is engaged in the construction of apartments, villas, schools, museums, leisure facilities, residential-commercial complexes and others. Concrete Segment is engaged in the manufacture of prestressed high-strength concrete (PHC) piles, concrete segments, general prestressed concretes, rail ties and others. Ceramic Segment is engaged in the manufacture of ceramic products include sanitary wares, such as bidet attached water closets, faucets, lavatories, urinals and bidets, and tiles, including porcelain tiles, wall tiles, floor tiles, stairway tiles and exterior tiles. Rental Segment is engaged in the equipment leasing business. Marine Transportation Segment is engaged in the marine transportation business. Other Segment is engaged in the leasing business.