| treecouncil.org.uk | The Tree Council |
| iupesm.org | International Union for Physical and Engineering Sciences in Medicine |
| icsu.org | International Council for Science |
| explorers.org | The Explorers Club |
| cpst.org | Commission on Professionals in Science and Technology |
| asr.org.tr | Association for Scientific Research |
| amse.net | Association of Muslim Scientists and Engineers |
| acrpnet.org | Association of Clinical Research Professionals |
| aaas.org | American Association for the Advancement of Science |
| elte.hu | International Society for Molecular Electronics and Biocomputing |
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