CSC Holdings Ltd and its subsidiaries operate as a foundation and geotechnical engineering services provider for private and public sector works, which include residential, commercial, industrial, and infrastructure projects. It offers a full range of services in this field, such as construction and installation of large-diameter bored piles, diaphragm walls, ground improvement works, driven piles, soil investigation, pile testing and instrumentation services, and automatic underground tunnel monitoring and engineering surveys, among others. The Group's reportable segments are: Foundation and geotechnical engineering, which derives maximum revenue, and Sales and lease of equipment. Geographically, it generates maximum revenue from Singapore and also has a presence in overseas markets.