| Adelphia Shipping Enterprises S.A. | Gourdomichalis Naftiki Eteria S.A. | Pleiades Shipping Agents Ltd. |
| Agelef Shipping Co. Ltd. | Grecomar Shipping Agency Ltd. | Poseidon Shipping Co. Ltd. |
| Alloceans Shipping Company Ltd. | Hellas Petroleum Corporation | Primera Maritime SA |
| Alpha Tankers and Freighters International Ltd. | Hellenic Star Shipping Co. S.A. | Prosperity Bay Shipping Company |
| Amalthia Maritime S.A. | Ilios Shipping S.A. | Pyrsos Managing Co. |
| Anangel Shipping Enterprises S.A. | International Operations S.A | Pyxis Maritime |
| Ancora Investment Trust | International Tanker Management S.A. | Quintana Maritime SA |
| Antares Shipmanagement S.A. | John J. Rigos Marine Enterprises S.A. | Rainbow Shipmanagement S.A. |
| Ariston Navigation Corp. | Karlog Shipping Company Ltd. | Ranger Marine S.A. |
| Astron Maritime Co. S.A. | Kirgan Holding S.A. | Royal Olympic Cruises |
| Athenian Bulkers S.A. | Konkar Shipping Agencies S.A. | SCMA Ltd. |
| Beaufort Shipping Ltd. | Laskaridis Shipping | Seamark Ltd. |
| Blueline Shipmanagement S.A. | Lavinia Corp. | SeaTask Corp. |
| Bright Navigation Inc. | Leros Management S.A. | SeaWorld Management & Trading |
| Cardif Marine S.A. | Loadline Marine S.A. | Seven Seas Maritime Ltd. |
| Carras (Hellas) S.A. | Lotus Shipping Co. Ltd. | Since Shipping Corp. |
| Catsambis Shipping Co. Ltd. | LPL (Hellas) Ltd. | Sitinas Shipping Co. S.A. |
| CERES LNG Services Ltd. | Magnus Carriers | Smith Bilbrough & Co. |
| Chemnav Shipmanagement S.A. | Marcrecida Compania Naviera | Stamford Navigation Inc. |
| Chian Spirit Maritime Enter. Inc. | Marine Management Services | Standard Bulk Shipping Corp. |
| Columbia Shipmanagement Ltd. | Marmaras Navigation S.A. | Star Bulk S.A. |
| Combine Marine Inc. | Maryville Maritime Inc. | Tide Line Inc. |
| Common Progress Compania Naviera S.A. | Matsas Loucas & Sons Co. Ltd. | Tomasos Brothers Inc. |
| Cosmos Marine Management S.A. | Mediterranean Maritime S.A. | Transatlantic Maritime S.A. |
| Diana Shipping Agencies S.A. | Mediterranean Sun Ltd. | Transship Corp. |
| Dileship Co. Ltd. | Mellissa Shipping Company | Trimarine Shipping Co. |
| Dynacom Tankers Management | Midship Maritime S.A. | Trinity Shipping Corp. |
| Eastwind Hellas S.A. | Modion Maritime S.A. | Trojan Maritime Inc. |
| Entrust Maritime Co. Ltd. | Multitrading Shipmanagement Ltd. | Tsakos Shipping & Trading S.A. |
| Equinox Maritime Ltd. | Naftotrade Shipping & Trading | Tsangaris Bros. Ltd. |
| Estoril Navigation Ltd. | Navitas Compania Maritima S.A. | Unibros Shipping Company |
| Evalend Shipping Co. S.A. | Neorion Shipyard | Union Commercial Inc. |
| Everlast Shipping S.A. | Nereus Europe Corp. | Union Maritime Limited S.A. |
| Fafalios Shipping S.A. | New Wave Shipping S.A. | Unity Marine Services Ltd. |
| Faros Maritime Agencies Ltd. | NGM Energy SA | V Ships Ltd. |
| Fomentos Armadora S.A. | Nicholas G. Moundreas Shipping S.A. | Val Enterprises S.A. |
| Fundator Compania Naviera | Oceanbulk Maritime | Varnima Corp. |
| G. Bros Maritime S.A. | Omniblue Shipping | Vasco Shipmanagement S.A. |
| General Maritime Enterprises Corp. | OSG Ship Management | Vita Management |
| Global Ocean Carriers Ltd. | OSM Ship Management | Vrontados S.A. |
| Golden Union Co. S.A. | Pegasus Ocean Services Ltd. | West of England P&I Club |
| Goumas, J. G. Shipping Co. S.A. | Perosea Shipping Company | Worldwide Shipmanagement S.A. |
| Gourdomichalis Maritime S.A. | Petrochem General Management | Zephyros Ship Agents and Brokers Inc. |
