Three Sinha won the product award in the category of Roller Doors at the 'Annual Sessions 2009' awarded & organized by the Sri Lanka Institute of Architects on 4th March 2009

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Australian Steel Link Engineering Company awarded the Quality Certificate for the Roller Doors and the awards the appreciating the services supplied for the years 2007,2008 and 2009.
 
The INCO awarded in the year 2007 Offered in respect of steel roller doors.
 
Threesinha had won the “Shramabimani” Jathika Harasara Award as a company proceeds further towards the forefront in the construction field as a company dedicated for the social service and as an institution which supplies jobs for the unemployed workers.
 
In the year 2010 Threesinha awarded “Janashakthi Maco” award offered by the Sri Lanka Mass Media Association.
 
International Business Award