Certis Lanka Technology & Consultancy (Pvt) Ltd
No 08 Ohliums Place Colombo 08
0112557777, 0777530200, 0112667788
MoreHemsons International (Pte) Ltd (Telecom Division)
Hemas Building 36 Sir Razik Fareed Mw Colombo 01
0112327948
MoreTechno Instruments (Pvt) Ltd
19/A Temple Road Kalubowila Dehiwala
0112765557, 0112765556, 0112765558
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