Ngiap Siew Tan

Rohm & Haas Co. develops and manufactures specialty chemicals, paints, adhesives, and materials. The company was founded by Otto Röhm and Otto Haas on September 1, 1909 and is headquartered in Philadelphia, PA.

PlastoForm Holdings Ltd. is an investment company, which engages in the design, development, and manufacture of audio devices. It operates through the following geographical segments: United States of America, People's Republic of China, Hong Kong, Europe, Australia, Singapore, and Others. The company was founded in 1982 and is headquartered in Hong Kong.

Winmark Investment Holdings Ltd. is an investment holding company, which engages in the provision of interior fit-out solutions for property development and refurbishment projects. It operates through the following segments: Interior Fit-out Business; and Wholesale and Retail Furnishings Business. The Interior Fit-out Business segment derives from property development and refurbishment projects in respect of customization, manufacture, supply and installation of paneling products; and construction and installation of interior fit-out works for interior spaces on a turnkey basis. The Wholesale and Retail Furnishings Business segment relates to the business of sales and distribution of a wide range of furnishings suitable for home, office, and commercial use. The company was founded by Chia Ah Kau on September 18, 2012 and is headquartered in Singapore.