Amalgamated Metal Corporation (M) Sdn Bhd
Chong Lek Engineering Works Sdn Bhd
Kejuruteraan Wang Yuen Sdn Bhd
Kong Brothers Engineering Works Sdn Bhd
Lysaght Corrugated Pipe Sdn Bhd
Portal Frame Construction Sdn Bhd
Schaefer Systems International Sdn Bhd
SKB Storage Industries Sdn Bhd
Soon Lien Fatt Flanging & Rolling (M) Sdn Bhd
Sun Sung Lee Engineering Sdn Bhd
Wasco Process Engineering Sdn Bhd (Formerly known as Jutasama Sdn Bhd)