Huen Poh Lai

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.

The Institution of Engineers Singapore provides engineering services. The private company is based in Singapore, Singapore.

Rowsley Ltd. is an investment holding company, which engages in the provision of strategic investment and related activities. It operates through the following segments: Property Development and Investment; Architectural, Engineering, and Town-Planning; Hospitality; and Investments. The Property Development and Investment segment includes the development of property for sale and investments, and the holding and management of investment property. The Architectural, Engineering, and Town-Planning segment comprises of architectural, master planning, urban design, civil and structural, mechanical and electrical engineering, interior design, and project management services. The Hospitality segment focuses on hotel management. The Investment segment invests in equity securities, and provides management services. The company was founded on December 31, 1999 and is headquartered in Singapore.

Building & Construction Authority provides environment services. The private company is based in Singapore, Singapore. and has subsidiaries in Singapore. Wee Siong Wong has been the CEO of the Singaporean company since 2020.