TTJ Holdings Limited is a Singapore-based investment holding company. The Company is engaged in the designing, supplying, fabrication and erection of a range of structural steel works for use in the construction of buildings, factories, plants, infrastructures and operation of dormitories. Its segments include Structural steel, Dormitory and Other. Its products/services include structural engineering, mechanical engineering, specialized engineering, mechanized car parking, aluminium parapet, bomb shelter door and dormitory. It fabricates and installs various types of cranes and lifting equipment. These precision manufactured lifting systems are used in shipyards, factories and construction sites. It designs and develops a range of two-rail and three-rail aluminum parapets for use in flyovers and expressways. The Company also operates one dormitory in Singapore, with a total capacity of 5,300 persons. Its geographical locations include Singapore, Malaysia and India.