Colombo Dockyard PLC (CDPLC) established its operations way back in 1974 and is now Sri Lanka’s largest engineering facility leading in the business of shiprepairs, shipbuilding, heavy engineering and offshore engineering. It is situated within the port of Colombo.  Besides being a convenient geographical location, it also has the benefits of a deep water harbour provides, ensures quicker turn around times and affordable rates.

Colombo Dockyard operates four graving dry-docks, the largest with a capacity of 125,000 DWT and extensive repair berth facilities. Colombo Dockyard is capable of working in compliance with all Classification Society Standards and strict adherence to international Safety and Quality Standards and is accredited with the ISO 9000-2000 Quality Certification.

In 1993, collaboration was made with Onomichi Dockyard Co. Ltd of Japan, a medium scale ship builder. The exchange of technology and the sharing of expertise have served to further enhanced Colombo Dockyard's engineering capabilities. With the expertise and experiences gathered in the past years, Colombo Dockyard has successfully penetrated the Middle Eastern Market and has built vessels to companies , such as Zamil Operations and Maintainance Company and A. A. Turki Corporation.
Colombo Dockyard second largest shareholder is Horizon Energy of Abu Dhabi.

Colombo Dockyard is currently expanding its infrastructure facilities enabling it to accommodate larger vessels in keeping abreast with the current trends of newbuilding work internationally.