MCO Vietnam Joint Stock Company, formerly Investment and Construction Joint Stock Company No 1, is a Vietnam-based company engaged in the construction sector. The Company constructs transportation structures, such as bridges, highways, irrigational works and marine ports. It also exploits and processes construction materials and fixtures, such as stones, precast and asphalt concrete components and steel fixtures. Moreover, the Company imports and exports industrial supplies and equipment, as well as provides engineering services, supervision of construction projects, architectural design services and geotechnical surveying services for transportation structures.