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 & Building Materials, Real Estate, and Leisure & Hospitality. The Construction & 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 & Hospitality segment is comprised of hotel and leisure operations. The company was founded by Tiat Meng Koh in 1966 and is headquartered in Singapore.