| 1 (532) | University of Cape Town | ZAF |  |
| 2 (970) | Stellenbosch University | ZAF | |
| 3 (1047) | University of the Witwatersrand, Johannesburg | ZAF | |
| 4 (1203) | University of Pretoria | ZAF | |
| 5 (1678) | South African Medical Research Council | ZAF |  |
| 6 (1730) | University of KwaZulu-Natal | ZAF | |
| 7 (1802) | Council for Scientific and Industrial Research | ZAF |  |
| 8 (2370) | Groote Schuur Hospital | ZAF | |
| 9 (2765) | Cape Peninsula University of Technology | ZAF | |
| 10 (2807) | University of Johannesburg | ZAF | |
| 11 (2966) | University of the Free State | ZAF | |
| 12 (3017) | University of the Western Cape | ZAF | |
| 13 (3183) | Rhodes University | ZAF | |
| 14 (3385) | Tshwane University of Technology | ZAF | |
| 15 (3520) | North-West University, Noordwes-Universiteit | ZAF | |
| 16 (3670) | University of Fort Hare | ZAF | |
| 17 (3780) | Agricultural Research Council | ZAF | |
| 18 (4008) | South African Astronomical Observatory | ZAF | |
| 19 (4405) | Nelson Mandela Metropolitan University | ZAF | |
| 20 (4459) | University of South Africa | ZAF | |
| 21 (4507) | Tygerberg Hospital | ZAF | |
| 22 (4646) | South African National Biodiversity Institute | ZAF | |
| 23 (4788) | University of Limpopo | ZAF | |
| 24 (4868) | Vaal University of Technology | ZAF | |
|
