| Business | Phone |
| Aefo Ctr Sud Catholique 33 Margaret St, Welland L3C 3Z6 | (905) 734-4522 |
| Caw 16 Steel St, Welland L3B 3L9 | (905) 735-5340 |
| United Steelworkers Local 455 214 King St, Welland L3B 3J7 | (905) 735-6007 |
| Canadian Auto Workers Local 331 Major St, Welland L3B 3T7 | (905) 714-1997 |
| Canadian Union-Postal Workers 40 Division St, Welland L3B 3Z6 | (905) 735-5112 |
| Caw Can Forge Major St, Welland L3B 2L3 | (905) 735-3121 |
| Caw Local 275 16 Steel St, Welland L3B 3L9 | (905) 734-8244 |