| Business | Phone |
| Millen Marine & Ind Supply 577 Elm St, Port Colborne L3K 4P5 | (905) 834-7220 |
| Port Colborne Warehousing Ltd 2 Killaly St W, Port Colborne L3K 6A1 | (905) 835-5729 |
| Bell Marine & Mill Supply Ltd 14 W Pier St, Port Colborne L3K 1B7 | (905) 835-1144 |
| Simplex-Turmar Inc 420 King St, Port Colborne L3K 4H4 | (905) 834-5566 |
| Dwor Metal Co Ltd 170 Welland St, Port Colborne L3K 1V3 | (905) 834-3653 |