Industrial and civil construction. Construction. Construction services. Railways construction/assembly. Maintenance and repair of railways. Bridges design and building. Resistant structures. Construction and maintenance of roads and bridges.
Asphalt road services. Construction and maintenance of roads and bridges. Road construction and maintenance equipment. Construction and land design services for sports.
Construction of roads and bridges. Construction and maintenance of roads and bridges. Hydropower engineering. Facilities for navigation. Machinery and equipment rental for construction industry. Construction. Construction services.
Water supply and sewerage facilities. Supplier of river sand, gemstone. Hydropower engineering. Facilities for navigation. Meteorological and hydrological services. Forecasts.
Construction and maintenance of roads and bridges. Asphalt road services. Construction and land design services for sports. Supplier of river sand, gemstone. Concrete and aggregates for gravel pit.