| 1 (79) | University of Pretoria | ZAF |  |
| 2 (426) | University of Cape Town | ZAF | |
| 3 (432) | Agricultural Research Council | ZAF |  |
| 4 (492) | University of the Free State | ZAF | |
| 5 (498) | South African Medical Research Council | ZAF |  |
| 5 (498) | University of the Witwatersrand, Johannesburg | ZAF | |
| 7 (586) | National Research Foundation * | ZAF | |
| 8 (611) | University of KwaZulu-Natal * | ZAF | |
| 9 (704) | North-West University | ZAF | |
| 10 (733) | University of South Africa | ZAF | |
| 11 (737) | Stellenbosch University | ZAF | |
| 12 (869) | Tshwane University of Technology | ZAF | |
| 13 (884) | University of Limpopo | ZAF | |
| 14 (888) | National Health Laboratory Services | ZAF | |
| 15 (972) | University of Fort Hare | ZAF | |
|
