IntroductionState Development & Construction Corporation (SD &CC) was incorporated on 01 October 1971 as an engineering institution under the State Industrial Corporation Act No. 49 of 1957 and is currently under the purview of the Ministry of Housing and Construction.SD&CC has been playing a leading role in developing infrastructure facilities of the country by planning, designing and constructing bridges, roads, multi-storied buildings, irrigation structures, tunnels and water supply projects and is the foremost institution in bridge construction.It is also the only local construction organization capable of constructing tunnels.This Corporation has been registered as a C1 construction institution by the Institute of Construction Training and Development. Further, the national award for construction performance presented by CIDA was bagged by this Corporation. It was also awarded ISO 9001- 2008 quality assurance certificate for strict adherence to construction standards.The Corporation is one of the leading manufacturers of reinforced precast concrete beams for bridges, electric posts and all other pre-stressed concrete accessories. In addition, the maintenance of all traffic signal systems and the manufacture of new signal systems for the Road development Authority are carried out by this Corporation. bute to the National development State Development and Construction Corporation No.07, Borupana Road, Ratmalana,Sri Lanka.Sri Lanka. 94-11-2632146 94-11-2423606 info@sdcc.lk http://www.sdcc.lk