| 1 (1084) | University of Cape Town | ZAF |  |
| 2 (1310) | University of Pretoria | ZAF |  |
| 3 (1470) | Stellenbosch University | ZAF |  |
| 4 (1872) | University of the Witwatersrand, Johannesburg | ZAF |  |
| 5 (1910) | Council for Scientific and Industrial Research | ZAF |  |
| 6 (2046) | Tshwane University of Technology | ZAF |  |
| 7 (2400) | Cape Peninsula University of Technology | ZAF |  |
| 8 (2477) | University of Fort Hare | ZAF |  |
| 9 (2600) | University of Johannesburg | ZAF |  |
| 10 (2718) | South African Medical Research Council | ZAF |  |
| 11 (2873) | University of the Free State | ZAF |  |
| 11 (2873) | University of the Western Cape | ZAF |  |
| 13 (2939) | North-West University, Noordwes-Universiteit | ZAF |  |
| 14 (3052) | University of KwaZulu-Natal | ZAF |  |
| 15 (3062) | Agricultural Research Council | ZAF |  |
| 15 (3062) | Groote Schuur Hospital | ZAF |  |
| 15 (3062) | Nelson Mandela Metropolitan University | ZAF |  |
| 15 (3062) | Rhodes University | ZAF |  |
| 15 (3062) | South African Astronomical Observatory | ZAF |  |
| 15 (3062) | South African National Biodiversity Institute | ZAF |  |
| 15 (3062) | Tygerberg Hospital | ZAF |  |
| 15 (3062) | University of Limpopo | ZAF |  |
| 15 (3062) | University of South Africa | ZAF |  |
| 15 (3062) | Vaal University of Technology | ZAF |  |
|