Food and Water Laboratory, Medical Research Institute, Colombo 08.
No. 143/6, Weediyabandara Mawatha, Mulleriyawa North, Angoda.
No. 100, Delgoda Road, Biyagama.
NO.01, Makandura, Gonawila.
89/1A, Piyadasa Sirisena Mawatha, Colombo10.
No. 570, Galle Road, Katubedda.
No 54, Nawala Road, Colombo 05.
Intertek House, No.282, Kaduwela Road, Battaramulla.
No 574, Galle Road, Colombo 03.
Crow Island, Mattakkuliya, Colombo
No.111, Negombo Road, Peliyagoda.
No. 17, Victoria Place, Elvitigala Mawatha, Colombo 08
No. 25, Epitamulla Road, Kotte
No. 22 /A, Vijaya Kumaratunge Mawatha, Colombo 05
No.147/7,Vauxhall Street, Colombo 02
No.363, Bauddhaloka Mawatha, Colombo 07.
No. 688, Galle Road,Ratmalana.