| 1 (444) | University of Cape Town | ZAF |  |
| 2 (818) | Stellenbosch University | ZAF | |
| 3 (850) | University of the Witwatersrand, Johannesburg | ZAF | |
| 4 (1192) | University of Pretoria | ZAF | |
| 5 (1221) | University of KwaZulu-Natal | ZAF | |
| 6 (1525) | South African Medical Research Council | ZAF |  |
| 7 (2074) | Council for Scientific and Industrial Research | ZAF |  |
| 8 (2790) | Groote Schuur Hospital | ZAF | |
| 9 (3010) | University of Johannesburg | ZAF | |
| 10 (3094) | Rhodes University | ZAF | |
| 11 (3150) | South African Astronomical Observatory | ZAF | |
| 12 (3171) | University of the Western Cape | ZAF | |
| 13 (3322) | North-West University, Noordwes-Universiteit | ZAF | |
| 14 (3348) | University of the Free State | ZAF | |
| 15 (3607) | Tshwane University of Technology | ZAF | |
| 16 (3738) | University of Fort Hare | ZAF | |
| 17 (3788) | Agricultural Research Council | ZAF | |
| 18 (4099) | Tygerberg Hospital | ZAF | |
| 19 (4128) | Cape Peninsula University of Technology | ZAF | |
| 20 (4151) | University of South Africa | ZAF | |
| 21 (4225) | South African National Biodiversity Institute | ZAF | |
| 22 (4250) | Nelson Mandela Metropolitan University | ZAF | |
| 23 (4605) | University of Limpopo | ZAF | |
|
