| Aveng Trident Steel (Pty) Ltd* | Info | Gauteng |
| Bolt & Engineering Distributors* | Info | Gauteng |
| Cavotec Gantrex (Pty) Ltd* | Info | Gauteng |
| Clearspan Structures (Pty) Ltd | Info | Gauteng |
| Global Roofing Solutions (Pty) Ltd* | Info | Gauteng |
| Horne Hydraulics (Pty) Ltd* | Info | Gauteng |
| Macsteel Service Centres SA (Pty) Ltd* | Info | Gauteng |
| Macsteel Trading Cape Town | Info | Western Cape |
| Macsteel Trading Germiston South | Info | Gauteng |
| Mitek Industries SA (Pty) Ltd* | Info | Gauteng |
| NJR Steel Holdings (Pty) Ltd* | Info | Gauteng |
| Project Materials Southern Africa (Pty) Ltd* | Info | Gauteng |
| Robertson Ventilation Industries (RVI)* | Info | Gauteng |
| Stewarts & Lloyds Trading (Pty) Ltd* | Info | Gauteng |
