| ICLARM (International Center for Living Aquatic Resources Management) Philippines |
| IFREMER (Institut Fran?ais de Recherche pour l'Exploitation de la MER - The French Institute of Research and Exploitation of the Sea) France |
| INFOFISH Intergovernmental organization for marketing information and technical advisory services for fishery products in the Asian and Pacific region
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| INRA (Institut National de la Recherche Agronomique) Station d'Hydrobiologie France |
| Institute for Marine Biosciences Halifax, Canada |
| Institute of Aquaculture, University of Stirling Stirling, UK |
| Institute of Marine Biology of Crete Crete, Greece |
| Institute of Marine Research Norway |
| Instituto de Investiga??o das Pescas e do Mare Portugal |
| International Aquaculture Webring Is a webring that has been set up to link as many high quality, aquaculture related websites as possible from around the world. |
| International Council for the Exploration of the Sea (ICES) The international science organization studying and helping to safeguard North Atlantic marine ecosystems and the living resources they sustain |
| International Fishmeal and Oil Manufacturers Association (IFOMA) International Fishmeal and Oil Manufacturers Association |
| International Foundation for Science (IFS) "Is an NGO providing research grants for young scientists from developing countries to perform research in the field of ""Aquatic Resources""" |
| International Society for Salt Lake Research (ISSLR) ISSLR was founded to establish effective liaison between persons interested in any aspect of inland saline waters, to encourage these interests, and to educate the public in the scientific use, management,and conservation of salt lakes |
| International Veterinary Information Service (IVIS) A not-for-profit organization established to provide information to veterinarians, veterinary students and animal health professionals world wide. |
| Iranian Artemia Research center Iran |
| IRGO (The International Research Group on Ostracoda) an interdisciplinary, international organization of about 400 research scientists studying living and fossil Ostracoda |