Ahli Hidup
| Tidak | Nama Syarikat | Logo Syarikat | Ahli Sejak |
| 1 | Amsteel Mill Sdn Bhd |  |
9 July 2014 |
| 2 | Hiap Teck Venture Berhad |  |
18 July 2014 |
| 3 | Ji Kang Dimensi Sdn Bhd |  |
9 July 2014 |
| 4 | CSC Steel Holdings Sdn Bhd |  |
9 July 2014 |
| 5 | Bahru Stainless Sdn Bhd |  |
3 November 2014 |
| 6 | Ann Joo Steel Berhad |  |
13 August 2014 |
| 7 | Southern Steel Bhd |  |
9 July 2014 |
| 8 | YKGI Holdings Berhad |  |
9 July 2014 |
| 9 | Masteel (Malaysia Steel Works Bhd) |  |
9 July 2014 |
| 10 | FIW Steel Sdn Bhd |  |
26 November 2014 |
| 11 | Megasteel Sdn Bhd |  |
17 July 2014 |
| 12 | NS Bluescope Malaysia Sdn Bhd |  |
6 April 2014 |
| 13 | Malaysia Steel And Metal Distributors’ Association (MSMDA) |  |
18 September 2015 |
| 14 | POSCO-Malaysia Sdn Bhd |  |
18 November 2016 |
| 15 | Kiswire Cord Sdn Bhd |  |
15 August 2017 |
| 16 | The Federation Of Malaysia Hardware, Machinery & Building Materials Dealers’ Association (FMHMBA) |  |
30 November 2018 |
| 17 | Steel Wire Association of Malaysia (SWAM) |  |
30 April 2019 |
| 18 | Alliance Steel (M) Sdn Bhd |  |
14 May 2019 |
Ahli Biasa
| Tidak | Nama Syarikat | Logo Syarikat | Ahli Sejak |
| 1 | Established Metal Industries Sdn. Bhd. |  |
7 September 2017 |
| 2 | Mycron Steel CRC Sdn Bhd |  |
19 December 2018 |
| 3 | Wei Dat Steel Wire Sdn Bhd |  |
23 November 2020 |
Ahli Bersekutu
| Tidak | Nama Syarikat | Logo Syarikat | Ahli Sejak |
| 1 | BIMAGE Consulting (M) Sdn Bhd |  |
2 May 2019 |
| 2 | Hanwa (Malaysia) Sdn Bhd |  |
18 June 2019 |
| 3 | Showa Denko Carbon Malaysia Sdn Bhd |  |
27 August 2019 |
| 4 | Engtex Steel Industries Sdn Bhd |  |
27 March 2018 |
| 5 | Modern Integration Technology Sdn Bhd (Mitec) |  |
5 July 2018 |
| 6 | Kentzu Steel Sdn Bhd |  |
31 October 2017 |
| 7 | Makin Juta Sdn Bhd |  |
10 November 2016 |
| 8 | Federation of Malaysian Foundry & Engineering Industries Associations (FOMFEIA) |  |
12 March 2020 |
| 9 | Control Instruments (M) Sdn Bhd |  |
1 July 2020 |
| 10 | Press Metal Aluminium Holdings Bhd |  |
15 July 2020 |
| 11 | Ye Chui Non-Ferrous Metal (M) Sdn Bhd |  |
10 March 2021 |
| 12 | Schaefer Systems International Sdn. Bhd. |  |
13 September 2021 |
| 13 | P.P. Steel Sdn Bhd |
 |
28 March 2022 |
| 14 | Syarikat Logam Unitrade Sdn Bhd |
 |
23 May 2022 |