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St. Theresa Industries has been accredited with ISO 9001:2008 certification with Sri Lanka Standard Institution (SLSI).
Welcome! General Manager STI Projects
Annual General Meeting : Vision for the year 2021/2020.
We are excited to announce that we Constructed a retaining wall at culvert & ...
We are excited to announce that we Constructed a 1/1 culvert (Bridge) at Harispath...
Constructed a retaining wall & side drains at Ampitiya
Implemented a Solar panel structure in Bandaragama!
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