Fu Kee Metals & Plumbing Engineerings Ltd. (Ko Wai Building Shop)

Poon's Electrical Metal Ltd.

Sing Kee Metalware Co.

Zeon Gei Construction Material (Yeung Uk Road)

ZeonGei Construction Company Material Science (Kam Shing Building Shop)

Nam Ging Tin Kee Building Materials (Tsuen Lok Building Shop)