Tung Lee Concrete Drill Cut Company Limited

C.B.M. Asbestos Abatement Limited

Modern Concrete Drill Cut Co., Limited

Hop Yick Machinery Eng Co

Chau Kee Engineering (Demolition) Co. Limited

Skyrise Demolition and Engineering Company Limited trading

Kingland (Sino) Company Limited

Quick Start Drill & Cut Construction Company Limited

Drillcut Limited

Ng Wah Concrete Drilling Works Engineering Co

Corecut Hong Kong Limited

Advance Concrete Drill Cut Company Limited

Chi Wai Drilling Engineering Co., Limited

Sun Ho Drill Cut Engineering Company Limited

Fastcut Engineering Limited

Asbestos Removal Contractors (HK) Company Limited

Fong Cheong Concretecoring Limited