| Name | ITU-R | ITU-T | ITU-D | Categories |
| Ministry of Communications and Digital Technologies, PRETORIA | | | | MINISTRY |
| Department of Communications and Digital Technologies, PRETORIA | | | | ADMIN |
| Independent Communications Authority of South Africa (ICASA), Centurion | | | | ADMIN RELATED / REGULATOR |
| GEW Technologies (Pty) Ltd., Pretoria | ASSOCIATE SG1 | | ASSOCIATE SG1 | SIO |
| MTN Group Management Services (Pty) Ltd., Cresta | X | ASSOCIATE SG2 | X | ROA |
| Mytelnet (Pty) Ltd., Edenburg, Sandton | | ASSOCIATE SG2 | | ROA |
| Orbicom (Pty) Ltd., RANDBURG, GAUTENG | X | | | ROA |
| Sentech Ltd., HONEYDEW | | | X | ROA |
| Telkom SA SOC Ltd., CENTURION | X | X | X | ROA |
| Vodacom SA (Pty) Limited, MIDRAND | X | X | X | ROA |
