Li Huan Sieh

Institute of Singapore Chartered Accountants provides accounting services.

RSP Architects Planners & Engineers (Pte) Ltd. provides architectural services. It offers professional services in architecture, city planning, master planning and urban design, landscape design, civil and structural engineering, mechanical and electrical engineering, and interior design. The firm also offers professional building and development consultancy services. The company was founded in 1956 and is headquartered in Singapore.

E3 Holdings Ltd. operates as an investment holding company, which engages in the system integration solutions. It engages in selling, installation and maintenance of computers, local area network, data communications products, enterprise wide area and broadband premises network systems. The company was founded on September 3, 1999 and is headquartered in Singapore.