Lee Shing Masonry Engineering Limited

Leung Chi Plastering Company Limited

Man Kee Cement Works Company Limited

New Pine Masonry Contractors Limited

Wang Tat Construction Engineering Company

民國泥水公司

Chan Kiu Construction Decoration Engineering Limited

Chongsun Engineering Company Limited

Cow Ming Plasterer Limited

Eric Tse Cement Works Company Limited

Hong Kong Plaster Work Limited