Ceyline Group of Companies, also known as Ceyline Holdings, is a conglomerate based in Sri Lanka with operations in the marine, education, healthcare, and leisure & travel sectors. The group includes companies such as Ceyline Shipping, Ceyline Maritime Services, Marine Survey & Technology Services, Ceyline Engineering Services, Oceaneeds, Ceyline Agencies, Cargoserv Shipping, CMA Ships Lanka, Starlink One, Califolink Logistics, Cey Container Services, Colombo International Nautical & Engineering College (CINEC), Ceymed Healthcare Services, Ceyline Travels, and Ruwala Resort. Ceyline is recognized as the most diversified maritime group in Sri Lanka.