| Business | Phone |
| Alco Sheet Metal 401 Cannon St E, Hamilton L8L 2C5 | (905) 528-0769 |
| Hammond Metal Systems 30 Macallum St, Hamilton L8L 4E8 | (905) 527-2242 |
| Jonco Sheet Metal 968 Dunsmure Rd, Hamilton L8H 1J4 | (905) 549-8215 |
| Kem Sheet Metal 76 Harlowe Rd #6, Hamilton L8W 3R6 | (905) 383-5740 |
| Lancaster Sheet Metal Ltd 195 Hempstead Dr, Hamilton L8W 2E6 | (905) 388-3800 |
| M & M Contractors 122 Vittorito Ave, Hamilton L8E 3W5 | (905) 561-4384 |
| Mike Fournier Custom Sheet Mtl 80 Adair Ave S, Hamilton L8K 3S5 | (905) 549-4438 |
| Radial Sheet Metal & Roofing 368 Sherman Ave N, Hamilton L8L 6N7 | (905) 549-4433 |
| Steve's Sheet Metal Co 270 Parkdale Ave N, Hamilton L8H 5X7 | (905) 544-2606 |
| Walker Sheet Metal & Roofing 37 Glen Rd, Hamilton L8S 3M6 | (905) 522-3519 |
| Fabristeel Limited 60 Harlowe Rd #9, Hamilton L8W 3R6 | (905) 574-3959 |
| G S Sheet Metal 1800 Barton St E, Hamilton L8H 2Y6 | (905) 547-4845 |