China's Cosco Group and four other suitors have been shortlisted as potential buyers of a majority stake in Piraeus Port Authority OLP, Greek privatisation agency HRADF said on Thursday. Greece is aiming for privatisation revenues of 1.5 billion euros this year by selling a stake in OLP and in Thessaloniki Port Authority OLTH, as well as by privatising railway operator TRAINOSE, rolling stock company ROSCO and some regional airports, among other assets. The other potential OLP investors shortlisted were: U.S. terminal operator Ports America; Dutch container terminal operator APM Terminals; Philippines-based International Container Terminal Services ; and close-ended investment company Utilico Emerging Markets Limited.