| Business | Phone |
| A J Mfg 320 Marwood Dr #5, Oshawa L1H 8B4 | (905) 723-9426 |
| Grant Steel Corp 750 Farewell St, Oshawa L1H 6N5 | (905) 433-3772 |
| Metal Man Mfg 751 Farewell St, Oshawa L1H 6N4 | (905) 985-8900 |
| Trimsteel 676 Drake St, Oshawa L1H 6L3 | (905) 728-2911 |
| Warren Steel 1260 Terwillegar Ave #8, Oshawa L1J 7A5 | (905) 723-4400 |
| Deca Metal Products Ltd 880 Farewell St, Oshawa L1H 6N6 | (905) 571-0213 |