• 
  Welmetal Steel (Hong Kong) Limited
• 
  Gammon Construction Limited
• 
  Alliance Construction Materials Limited
• 
  Quon Hing Concrete Company Limited
• 
  Excel Concrete Limited
• 
  Giant City Concrete Limited
• 
  Hong Kong Concrete Company Limited
• 
  K. Wah Concrete Company Limited
• 
  Multi-Way Industries Limited
• 
  GOLIK STEEL (HK) LIMITED
• 
  Golik Metal Manufacturing Company Limited
• 
  China Concrete Company Limited
• 
  Wo Lee Steel Co., Ltd.
• 
  Quon Hing Concrete Company Limied
• 
  Glorious Concrete (H.K.) Ltd.
• 
  Redland Concrete Limited
• 
  Yi Design Company Limited
• 
  Hydrolink (Hong Kong) Limited
• 
  Eco-Health Institute Limited
• 
  Victor Building Materials (HK) Limited
• 
  InnoGreen Environmental Ltd
• 
  The Jardine Engineering Corporation, Limited
• 
  STONE ITALIANA S.P.A.
• 
  Wing Hung Engineering Co., Ltd.
• 
  NEUTRALITY BAMBOO AND WOOD CO LIMITED
• 
  Krystaline Technology, S. A.
• 
  KAOLIN TILES HONG KONG LIMITED
• 
  HENGGOO LIMITED
• 
  Yip’s Camel (Hong Kong)
• 
  Formica (Asia) Limited
• 
  REC Green Technologies Co., Ltd.
• 
  Supreme Interior Products Limited
• 
  Score Building Materials Ltd.
• 
  Master King Limited
• 
  Bonntile Hong Kong Ltd
• 
  Trane Hong Kong
• 
  Hoylake Technology Pte Ltd
• 
  Wo Lee Green Solutions Ltd.
• 
  Kwan Tai Engineering Co., Ltd.
• 
  Creativo Design & Contracting Co., Ltd.
• 
  Pentens (H.K.) Limited
• 
  Chevalier (Building Supplies & Engineering) Ltd.
• 
  iLIGHTING Global Enterprise Co. Ltd.
• 
  Prosperity Lamps and Components Limited
• 
  WE Lighting Ltd
• 
  Tech Link Construction Engineering Limited
• 
  Hauken Engineering Co., Ltd.
• 
  Energys Spectrum Limited
• 
  Raze Technology Limited
• 
  MICTRONICS CO. LTD.
• 
  Leigei Stone Company Limited
• 
  CanaShield Nano-Technologies Limited
• 
  Livinwall Pte. Ltd.
• 
  Zodiac Lighting Limited
• 
  Pietra Galleria (HK) Ltd
• 
  MAXGRAND LIMITED
• 
  Nippon Paint (H.K.) Co. Ltd.
• 
  I2Cool Limited
• 
  JINJIANG HUABAO STONE CO., LTD
• 
  GnT Glass Co., Ltd
• 
  RAAW Limited
• 
  MO Building Material Limited
• 
  Signify Hong Kong Limited
• 
  GRUNDFOS PUMPS (HONG KONG) LTD
• 
  Dow Chemical Pacific Limited
• 
  Bonkit Wooden Floor Care Ltd
• 
  Tyco Development Limited
• 
  Promat International (Asia Pacific) Limited
• 
  Qivation Company Limited
• 
  Arnhold & Co., Ltd
• 
  Canica Building Materials Limited & Interwood International Ltd
• 
  Bamboo International (Group) Co. Ltd.
• 
  Rubner Timber Engineering
• 
  GREENTECH BUILDING MATERIAL LTD
• 
  Dyson HK Limited
• 
  Optimix (Hong Kong) Limited
• 
  K-Flex (Hong Kong) Insulation Company Limited
• 
  South Star Glass Limited
• 
  Daikin Airconditioning (Hong Kong) LTD.
• 
  SIKA HONGKONG LTD.
• 
  Fosroc Hong Kong Ltd
• 
  CFL FLOORING INTERNATIONAL LIMITED
• 
  Akzo Nobel Paints Limited
• 
  Hilti (HK) Ltd
• 
  Healthy Giant Limited
• 
  Nishitani Asia Ltd
• 
  Saint-Gobain Hong Kong Limited
• 
  Supply Ching Company Limited
• 
  Parklex Prodema Int SL
• 
  Zilver Limited
• 
  World Trade Sourcing Limited
• 
  Dyntek Pte Ltd
• 
  Carrier Hong Kong Limited