Koh Brothers Group Ltd. is an investment holding company, which engages in construction, property development and engineering solutions. It operates through the following segments: Construction and Building Materials; Real Estate; and Leisure and Hospitality. The Construction and Building Materials segment undertakes construction activities for engineering and construction, bio-refinery and bio-energy segments and sales of building materials. The Real Estate segment refers to the real estate development and rental of properties. The Leisure and Hospitality segment is comprised of hotel and leisure operations. The company was founded by Tiat Meng Koh in 1966 and is headquartered in Singapore.