Kok Meng Lim

TTJ Holdings Ltd. engages in the design, supply, fabrication, and erection of structural steelworks for use in the construction of buildings, factories, plants, and infrastructures. It operates through the following segments: Structural Steel, Waste Management & Treatment, and Other. The Structural Steel segment caters to the residential, commercial, and industrial sectors. The Other segment operates a testing center and also includes the investment holding activities of the company. Its products include aluminum parapets and bomb shelter door. The firm also offers structural, mechanical, and specialized engineering services. The company was founded by Chwee Teo Hock in July 1981 and is headquartered in Singapore.

AGV Group Ltd. is an investment holding company, which engages in galvanizing business. It offers hot dip galvanized services to the steel and iron fabrication industries in Singapore. The firm supports customers who are in the field of public sector and transport sectors. The company was founded by Nam Wah Ang and Nam Heng Ang on October 2, 2015 and is headquartered in Singapore.