Koh Brothers Group Ltd. is an investment holding company, which engages in the provision of management services. It operates through the following segments: Construction and Building Materials, Real Estate, Leisure and Hospitality, and Others. The Construction and Building Materials segment focuses on construction activities for engineering and construction, bio-refinery and bio-energy segments and sales of building materials. The Real Estate segment is involved in real estate development and rental of properties. The Leisure and Hospitality segment handles hotel and leisure operations. The company was founded by Tiat Meng Koh in 1966 and is headquartered in Singapore.