| 501 (4222) | Uzbekistan Academy of Sciences * | UZB |  |
| 502 (4228) | Central Leather Research Institute | IND | |
| 503 (4231) | National Academy of Sciences of Armenia * | ARM | |
| 504 (4243) | Indian Institute of Horticultural Research | IND | |
| 505 (4254) | Ministry of Public Security | CHN | |
| 506 (4258) | I.M. Sechenov Institute of Evolutionary Physiology and Biochemistry Russian Academy of Sciences | RUS | |
| 507 (4262) | Instituto de Investigacion Sanitaria y Biomedica de Alicante | ESP | |
| 508 (4264) | Federal Research Center of Nutrition, Biotechnology and Food Safety | RUS | |
| 509 (4266) | Centre de Biotechnologie de Borj Cedria | TUN | |
| 510 (4284) | A.N. Frumkin Institute of Physical Chemistry and Electrochemistry Russian Academy of Sciences | RUS | |
| 511 (4293) | Ministry of Education | IRQ | |
| 512 (4295) | Pavlov Institute of Physiology Russian Academy of Sciences | RUS | |
| 513 (4308) | Institute for Single Crystals National Academy of Sciences of Ukraine | UKR | |
| 514 (4327) | Chemistry and Chemical Engineering Research Center of Iran | IRN | |
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