- South African Institute of Steel Construction – SAISC
- International Steel Fabricators – ISF
- Association of Steel Tube and Pipe Manufacturers – ASTPM
- Southern African Light Steel Frame Building Association – SASFA
- Southern African Metal Cladding and Roofing Association – SAMCRA
- Power Line Association of South Africa – POLASA
- South African Wire Association – SAWA
- Southern African Stainless Steel Development Association – SASSDA
- Southern African Institute of Welding – SAIW
- Steel and Engineering Industries Federation of South Africa – SEIFSA
- Hot Dip Galvanizers Association of Southern Africa – HDGASA
- South African Institute of Foundrymen – SAIF
- Worldsteel Association – Worldsteel
- Steel Tube Export Association of South Africa – STEASA
- Mining Equipment Manufacturers of South Africa – MEMSA
- Recapitalised SA Cluster
- South African Capital Equipment Export Council – SACEEC
- South African Capital Equipment Manufacturers Association – SACEA
- International Stainless Steel Fabricators – ISSF
- National Association of Automotive Component and Allied Manufacturers – NAACAM
- National Association of Automotive Manufacturers of South Africa – NAAMSA
- Solidarity Union
- South African Fastener Manufacturers Association – SAFMA
- Steel Window and Door Association of South Africa – SWADASA
- Steel Merchant and Stockholders Association – SMSA
South African Iron and Steel Institute
