| 1 (1922) | National Research Centre | EGY |  |
| 2 (1969) | International Livestock Research Institute Kenya | KEN | |
| 3 (1981) | Academy of Scientific Research and Technology | EGY | |
| 4 (2646) | Council for Scientific and Industrial Research | ZAF | |
| 5 (3815) | International Centre of Insect Physiology and Ecology | KEN | |
| 6 (4138) | Egyptian Petroleum Research Institute | EGY | |
| 6 (4138) | Agricultural Research Council | ZAF | |
| 8 (4149) | South African Astronomical Observatory | ZAF | |
| 9 (4530) | Agricultural Research Center Egypt | EGY | |
| 10 (4613) | Central Metallurgical Research and Development Institute | EGY | |
| 11 (4644) | South African National Biodiversity Institute | ZAF | |
| 12 (5166) | Human Sciences Research Council of South Africa | ZAF | |
| 13 (5548) | South African Institute for Aquatic Biodiversity | ZAF | |
| 14 (5990) | Egyptian Atomic Energy Authority | EGY | |
| 15 (6186) | Centre National de l'Energie, des Sciences et des Techniques Nucleaires | MAR | |
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