Building construction in the field of manufacturing and process plants and buildings, roads, bridges, structures and highways, and petroleum oil and gas facilities; construction management services in support of design and engineering practices
Building Construction and RepairEngineering in the field of manufacturing and process plants and industrial and commercial buildings, roads, bridges, structures and highways, and oil and gas facilities; architectural and design engineering servies; engineering consulting services in the field of the construction of buildings and structures, plants, buildings, roads, highways and bridges and environmental applications
Computer and Scientific