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St. Theresa Industries has been accredited with ISO 9001:2008 certification with Sri Lanka Standard Institution (SLSI).
Fixing of gully gratings for the Road Development Authority
Refurbishment and fixing of aluminum and glass partition done for the Ceylon Elect...
STI successfully completed the roof construction to the CEB Dehiwala
Implemented a 1 Megawatt Solar panel structure in Digana, Kandy!
We kickstarted this new year with a fresh mindset and approach.
We opened up our New Corporate Office at Rosmead place.
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