PT Wijaya Karya (Persero) Tbk is an Indonesia-based integrated construction company. The Company has five main business lines, namely investment, realty & property, infrastructure & building, energy & industrial plant and industry. Its construction activities include civil work, building work, electrical mechanical work such as network, investment, radio, telecommunication, instrumentation. The Company's products include infrastructure & building, energy and industrial plant, concrete products, realty and property, and others. Its services include implementation of engineering procurement construction work; repair, maintenance and renovation; operation and maintenance of investments; railway business activities; general port and special port business activities; airport business activities; logistics business activities; and development and management of special economic zones (EPC).