Sierra Construction Limited is a one of the largest conglomerate in Sri Lanka which specializes in Construction, Manufacturing, Telecom, IT, Agriculture and Marketing sectors (with 34 companies). Which Established In 1981, with the dawn of the open economy. Sierra Construction Limited was incorporated to venture into the fields of Civil and Telecommunication Engineering. Sierra is a CIDA (Former ICTAD) CS1 grade (Highest Rank in Sri Lanka) company and ISO 9001:2008 and ISO 14001:2004 certified. Within two decades, Sierra rose to become the market leader in Telecommunication Engineering. The boom in the construction industry opened up many opportunities for Sierra and the company has today evolved to great heights handling large construction projects relating to Water Supply & Sewerage, Power, Roads, Buildings, Irrigation, Pilling, Manufacturing, Information Technology besides Civil & Telecommunication. Acknowledged for its expertise, reliability and superior quality of work, both locally and internationally, Sierra is today a prominent player in General Engineering Construction in Sri Lanka. The company has also gained from the opportunities offered in global markets, with businesses established in India, Maldives, Qatar, Saudi Arabia, Myanmar, Kenya and Australia. Sierra today employs over 4,000 direct and indirect employees, both here and abroad, including more than 300 engineers. Some of the Sierra Group companies are Sierra Cables PLC, Sierra Road Engineering (Pvt) LTD, Sierra Telecommunications (Pvt) Ltd, Sierra Gulf LLC, Sierra Piling (Pvt) Ltd, Sierra Electrical Engineering (Pvt) Ltd, Sierra Consultant (Pvt) Ltd, Sierra Readymix (Pvt) Ltd, Sierra Engineering & Construction (India) Pvt. Ltd, Sierra (Myanmar) Construction Company LTD, Sierra Water Works (Pvt) Ltd, Sierra Global Network (Pvt) Ltd, Sierra Information Technologies Ltd, Alucop Cables Limited and Sierra UPVC (Pvt) Ltd. Associated are Elephant Corridor Hotel, AgStar Fertilizers PLC.