| iccwbo.org | International Chamber of Commerce |
| iacs.org.uk | International Association of Classification Societies |
| nautinst.org | The Nautical Institute |
| iame.nl | Iame - International Association Of Maritime Economists |
| cirm.org | Cirm - Comité International Radio-maritime Maritime Electronics Marin |
| pianc-aipcn.org | The International Navigation Association (pianc-aipcn) S |
| marisec.org | ICS & ISF Association |
| marine-salvage.com | International Salvage Union |
| intercargo.org | International Association of Dry Cargo Shipowners |
| impahq.org | International Maritime Pilot Association |
United Kingdom , London, City of , London