Waihong Environmental Services Limited
Joneson Environmental Technologies Limited
Essence Technology Limited
Hyper-tech Environmental Limited
ECO Technology Engineering Company
Cold Magic Efatar (HK) Co., Limited
Sanitechnic Environmental Limited
Star Glory Environmental Technologies Limited
Fresh Air Climate Control Company Limited
REC Green Technologies Company Limited
Lam Environmental Services Limited
D I And Environmental Control Company Limited
Wai Ching Environmental Services Company
Waihong Environmental Services Limited
Bowin Environeering Limited
LeBLANC Water Treatment & Chemicals Limited
Lik Ko Purification Engineering (Hong Kong) Limited
Prominent Environmental Limited
Kingsford Environmental (Hong Kong) Limited
Corecut Hong Kong Limited
Tung Fat Plumbing Engineering Company Limited
Tung Fat Plumbing Engineering Company Limited
Tai Tau Tsai Environmental Engineering Limited
Sun Base Environmental Services Limited
Enviro Limited
Scenery Environmental Engineering Company Limited
Anrich Environmental Technology Co., Limited
Alliance Environmental Technology Limited
Aquasource Components Limited
Associated Environmental Systems Limited
Bestwise Envirotech Limited
Waste & Environmetal Technologies Limited