| 1 (984) | University of Cape Town | ZAF |  |
| 2 (1479) | Stellenbosch University | ZAF | |
| 3 (1602) | University of Pretoria | ZAF | |
| 4 (1776) | Council for Scientific and Industrial Research | ZAF |  |
| 5 (1996) | Cape Peninsula University of Technology | ZAF | |
| 6 (2045) | South African Medical Research Council | ZAF |  |
| 7 (2089) | University of the Witwatersrand, Johannesburg | ZAF | |
| 8 (2184) | Tshwane University of Technology | ZAF | |
| 9 (2349) | University of the Free State | ZAF | |
| 10 (2381) | Groote Schuur Hospital | ZAF | |
| 11 (2580) | Agricultural Research Council | ZAF | |
| 12 (2721) | University of KwaZulu-Natal | ZAF | |
| 13 (2878) | University of Johannesburg | ZAF | |
| 14 (2969) | University of the Western Cape | ZAF | |
| 15 (3153) | Rhodes University | ZAF | |
| 16 (3421) | University of Fort Hare | ZAF | |
| 17 (3528) | North-West University, Noordwes-Universiteit | ZAF | |
| 18 (3819) | Nelson Mandela Metropolitan University | ZAF | |
| 19 (4093) | University of Limpopo | ZAF | |
| 20 (4222) | University of South Africa | ZAF | |
| 21 (4342) | South African Astronomical Observatory | ZAF | |
| 21 (4342) | South African National Biodiversity Institute | ZAF | |
| 21 (4342) | Tygerberg Hospital | ZAF | |
|
