Ministry of Communications Servicio de Hidrografia Naval Hydrographic Service Hydrographic Section Antwerpse Zeediensten Hydrografie Dienst der Kust Hydrografie Diretoria de Hidrografia e Navegacao Canadian Hydrographic Service Servicio Hidrogr fico y Oceanogr fico de la Armada Maritime Safety Administration Navigation Guarantee Department Hong Kong Hydrographic Service Drzavni Hidrografski Institut Instituto Cubano de Hidrografia Department of Lands & Surveys Kort-Og Matrikelstyrelsen Farvandsvaesenet Departamento Hidrografico Service Hydrographique des forces navales Instituto Oceanografico de la Armada Shobat al Misaha al Baharia Fiji Hydrographic Service Merenkulkuhallitus Service Hydrographique et Oceanographique de la Marine Bundesamt fuer Seeschiffahrt und Hydrographie Hellenic Navy Hydrographic Service Departamento de Sistemas Hidraulicos Instituto Geogr fico Militar Sjomaelingar Islands Naval Hydrographic Office Dinas Hidro-Oseanografi (Dishidros) Ports and Shipping Organization Istituto Idrografico della Marina Japan Hydrographic Department Hydrographic Department of the DPRK Office of Hydrographic Affairs Royal Malaysian Navy Hydrographic Department Departement des Travaux Publics et des Affaires Sociales Dienst der Hydrografie Koninklijke Marine Royal New Zealand Navy Hydrographic Office Nigerian Navy Hydrographic Office Norwegian Hydrographic Service Electronic Chart Centre National Hydrographic Organization Pakistan Hydrographic Department Department of Transport Direccion de Hidrografia y Navegacion de la Marina Coast & Geodetic Survey Dept. Biuro Hydrograficzne Marynarki Wojennej Instituto Hidrografico Head Department of Navigation & Oceanography Hydrographic Department South African Navy Hydrographic Office Instituto Hidrogr fico de la Marina National Aquatic Resources Agency Ministry of Transports Sjoekarteavdelningen General Directorate of Ports Krom Utoksastr Trinidad & Tobago Hydrographic Unit Seyir Hydrographic Office Office of Coast Survey National Imagery and Mapping Agency Naval Oceanography Command US Army Corps of Engineers Servicio de Oceanografia Direccion de Hidrografia y Navegacion Hydrographic Institute of the Navy Direction de la Marine et des Voies Navigables Sherbimi Hidrografik Shqiptar Not known Department of Marine Services and Merchant Shipping Not known Department of Lands and Surveys Department of Hydrography Barbados Port Authority Not known Direction Generale du Port Autonome de Cotonou Servicio de Hidrografia Naval Department of Marine Hidrografska Sluzhba Pri Ministerstvo Na Otbranata Service de l'Hydraulique et des Voies Navigables Office National des Ports du Cameroun Direccao Geral da Marinha Mercante Ministerio de Defensa Nacional Not known Direction du Port de Pointe-Noire Department of Trade Labour and Transport Ministerio de Obras Publicas y Transportes Direction G_n_rale du Port Autonome d'Abidjan Ministere du Port et des Affaires Maritimes Not known Instituto Geografico Nacional Not known Port and Maritime Transport Authority Tuletorni - Huedrograafiatalitus Ministry of Transport and Communications Service de la Signalisation Maritime Gambia Ports Authority Ghana Ports and Harbours Authority Grenada Ports Authority Minist_re des Transports et Travaux Publics Servicos da Marinha Transport and Harbours Department Service Maritime et de Navigation d'Haiti Departamento de Geologia e Hidrografia Marine Department Department of the Marine Administration of Shipping and Ports Harbour Master's Department The Ports Corporation Survey of Kenya Ministry of Transport and Communications Ministry of Communications Latvijas Hidrografijas Dienests Service du Transport Maritime Ministry of Lands Not known Klaipeda State Seaport Authority Foiben-Taosarintanin'i Madagasikara Hydrographic Survey Unit Department of Information and Broadcasting Malta Maritime Authority Ports Directorate Ministry of Resources and Development Ministere de la Defense Nationale Ministry of Housing Direccion General de Oceanografia Naval Not known Service Hydrographique et Oceanographique de la Marine Royale Instituto Nacional de Hidrografia e Navegacao Naval Hydrographic Office Not known Nauru Phosphate Corporation Secretaria de Planificacion y Presupuesto de la Presidencia de la Republica Bureau of Domestic Affairs Instituto Geografico Nacional Direccion de Hidrografia y Navegacion Ministry of Municipal Affairs and Agriculture Directia Hidrografica Maritima St. Christopher Air and Sea Ports Authorit Ministry of Planning Ministry of Communications and Works Ministry of Transport Not known Military Survey Department Ministere de l'Equipement Hydrographic and Topographic Brigade Department of Transport and Communications Not known Solomon Islands Hydrographic Unit Somali Hydrographic Office Survey Department Tanzania Harbours Authority University of Benin Not known Service Hydrographique et Oceanographique Ministry of Labour National Agency of Marine Research and Technology Vanuatu Hydrographic Unit Not known Ministry of Communications Antarctic Treaty Consultative Committee International Radio Consultative Committee Comite International Radio-Maritime IHO Data Centre for Digital Bathymetry Digital Geographic Information Working Group European Communities Commission European Harbour Masters Association Food and Agriculture Organization Federation Internationale des Geometres International Atomic Energy Agency International Association of Geodesy International Association of Institutes of Navigation International Association of Lighthouse Authorities International Association of Ports and Harbours International Cartographic Association International Cable Protection Committee International Chamber of Shipping International Commission for the Scientific Exploration of the Mediterranean International Council of Scientific Unions International Electrotechnical Commission International Geographical Union International Hydrographic Organization International Maritime Academy International Maritime Organization International Maritime Satellite Organization Intergovernmental Oceanographic Commission International Organization for Standardization International Society for Photogrammetry and Remote Sensing International Telecommunication Union International Union of Geodesy and Geophysics International Union of Surveying and Mapping Oil Companies International Marine Forum Pan American Institute of Geography and History Radio Technical Commission for Maritime Services Scientific Commission on Antarctic Research The Hydrographic Society World Meteorological Organization United Nations Cooperating Hydrographic Offices in the Malacca and Singapore Straits (Indonesia, Japan, Malaysia and Singapore) PRIMAR - European ENC Coordinating Centre International Centre for ENC (IC-ENC) East Asia Hydrographic Commission (EAHC) ARAMCO UKHO test and sample datasets CARIS Amt fuer Geoinformationswesen der Bundeswehr TerraNautical Data Force Technology _sterreichische Donau-Technik-GmbH Vituki Water Resources Research Centre Hungary Navionics S.p.A. Kingway Technology Co Laser-Scan Ltd Channel of Moscow Nautical Data International Offshore Charts Ltd. Port Of London Quality Positioning Services Rijkswaterstaat Austrian Supreme Shippig Authority UKHO - private production ENC Center The Volga-Baltic State Territorial Department for Waterways Management and Navigation Wasser- und Schiffahrtsverwaltung des Bundes - Wasser- und Schiffahrtsdirektion S_d-West Noorderzon Software Azienda Regionale Navigazione Interna (ARNI) IIC Technologies Innovative Navigation GmbH MARIN (Maritime Research Institute Netherlands) PLOVPUT Beograd Port of Rotterdam Ssangyong Information & Communications Corp. Transas Marine Austrian Waterways Authority A.F.D.J. R.A. Galati Science Applications International Corp. MD Atlantic Technologies Tresco Navigation Systems Hydrographic Office of Sarawak Marine Department TEC Asociados Guoy Consultancy Sdn Bhd SevenCs AG & Co KG The Federal Service of Geodesy and Cartography of Russia Centre Sevzapgeoinform (SZGI) Terra Corp HSA Systems Pty Ltd CherSoft Ltd Tresco Engineering bvba unknown producer