Serendib Engineering Group PLC operates as an engineering company in Sri Lanka. It operates through Trading, Projects Income, and Others segments. The company offers telecommunications infrastructure engineering, including telecom solutions; and undertakes civil engineering projects in various sectors, such as construction of showrooms, culverts, and retaining walls. It also engages in manufacture, sale, and distribution of concrete poles. In addition, the company undertakes projects in the field of engineering, telecommunications, power and energy, and railways. Further, it manufactures, services, and repairs machinery equipment used in plantation sector. The company was formerly known as Infrastructure Developers PLC and changed its name to Serendib Engineering Group PLC in February 2013. Serendib Engineering Group PLC was founded in 1910 and is based in Colombo, Sri Lanka. Serendib Engineering Group PLC operates as a subsidiary of Serendib Holdings Pte. Ltd.