| Business | Phone |
| International Brotherhood-Elec 178 Tiffin St, Barrie L4N 2N4 | (705) 734-9590 |
| International Union-Operating 240 Bayview Dr, Barrie L4N 4Y8 | (705) 734-2494 |
| Intl Brotherhood-Boiler Mkrs 880 Church Dr, Barrie L4N 8G9 | (705) 725-2666 |
| United Association Local 599 295 Edgehill Dr, Barrie L4N 9X4 | (705) 722-3006 |
| Central Ontario Regional Cncl 106 Saunders Rd, Barrie L4N 9A8 | (705) 725-8505 |
| Cupe 249 Saunders Rd, Barrie L4N 9A3 | (705) 722-5322 |