Swee Hong Ltd. is an investment holding company, which engages in building construction. It operates through the following segments: Civil Engineering, Tunnelling, and Common and All Other. The Civil Engineering segment carries out civil engineering works which include road construction works, road maintenance works, sewerage rehabilitation, drains, soil improvement works, and other infrastructure works. The Tunnelling segment handles the micro-tunnelling works. The company was founded by Koh Bee Ong in 1962 and is headquartered in Singapore.