Organization of Arab Petroleum Export Countries
（IMOのIGO）

Organization of American States
（IMOのIGO）

Organization of African Unity
（IMOのIGO）

Combination Carrier　　兼用船

Oil Companies International Marine Fourum
石油会社国際海事評議会（IMOのNGO）

United Nation Office for Drug Control and Crime Prevention

Organization for Economic Cooperation and Development
経済協力開発機構（IMOとIGO）

International Association of Oil and Gas Producers
国際石油及びガス生産者協会
(IMOのNGO；旧E&P Forum)

International Convention for the Prevention of Pollution of the Sea by Oil
油による海水の汚濁の防止のための国際条約

Offshore Installation Manager
海洋施設監督

United Nation Office of Legal Affairs- Division for Ocean Affairs and the Law of the Sea

OfficerOftheWatch
当直航海士

International Convention on Oil Pollution Preparedness, Response and Co-operation (,1990)
（1990年の）油汚染に対する準備、対応および協力に関する国際条約

On-Scene Co-ordinator
（特定海域での捜索救助のために配置されている責任者）

Commission for the Protection of the Maritime Environment of the North-EastAtlantic
（IMOのIGO）

Offshore Supply Vessels
海洋補給船

Code of Safety Practice for the Carriage of Cargoes and Persons by Offshore Supply Vessels
海洋補給船のための輸送安全実施規則　A.863 (20)

Inter-Governmental Organization for International Carriage by Rail
（IMOのIGO）