Tiong Woon Corp. Holding Ltd. is an investment company, which engages in the sale and rental of cranes and and transport, mechanical, infrastructure and industrial plant, engineering services and structural works; management of marine and industrial plant project; marine transportation; up-slipping/ launching of ship; and process and industrial plant engineering works for the marine and oil and gas industries. It operates its business through the following business segments: Heavy Lift and Haulage, Marine Transportation, Engineering Services, and Trading. The Heavy lift and Haulage segment involves in hiring out of cranes and provision of transportation. The Marine Transportation segment offers marine transportation and logistics services. The Engineering Services segment provides processing service and industrial plant engineering services. The Trading segment trades heavy equipment and spare parts. The company was founded on August 21, 1997 and is headquartered in Singapore.