| Business | Phone |
| Cupe Local 2512 149 Southwood Dr, Kitchener N2E 2J1 | (519) 576-5166 |
| International Brotherhood 3 Forwell Rd, Kitchener N2B 1W3 | (519) 742-8319 |
| Intl Brotherhood-Elec Workers 3 Forwell Rd, Kitchener N2B 1W3 | (519) 576-4630 |
| Labour Community Svc 141 King St E, Kitchener N2G 2K8 | (519) 743-0666 |
| Canadian Union Of Postal Wrkrs 27 Manitou Dr #2c, Kitchener N2C 1K9 | (519) 895-2655 |
| Bac Organizing Trust Fund 3 Forwell Rd, Kitchener N2B 1W3 | (519) 749-2062 |
| Sheet Metal Workers Intl Union 3 Forwell Rd, Kitchener N2B 1W3 | (519) 744-1311 |
| Teamsters Union 3 Forwell Rd, Kitchener N2B 1W3 | (519) 741-8792 |
| United Food & Commercial Wrkrs 124 Sydney St S, Kitchener N2G 3V2 | (519) 744-5231 |
| United Steelworkers Of America 141 King St E, Kitchener N2G 2K8 | (519) 745-5462 |
| United Steel Workers-America 141 King St E, Kitchener N2G 2K8 | (519) 745-7681 |
| Uswa 141 King St E, Kitchener N2G 2K8 | (519) 579-0573 |
| Waterloo Regional Labour Cncl 141 King St E, Kitchener N2G 2K8 | (519) 743-8301 |
| Educational Support Staff 50 Parkland Cres, Kitchener N2N 1S4 | (519) 745-8045 |
| Brick & Allied Craft Union 124 Sydney St S #105, Kitchener N2G 3V2 | (519) 744-2761 |
| Canadian Health Care Workers 675 Belmont Ave W, Kitchener N2M 1N8 | (519) 743-3952 |
| Canadian Auto Workers-Caw 1011 Homer Watson Blvd, Kitchener N2C 1L8 | (519) 748-5460 |
| Canadian Auto Workers-1451 600 Wabanaki Dr, Kitchener N2C 2K4 | (519) 893-6193 |
| Canadian Auto Workers # 1524 600 Wabanaki Dr, Kitchener N2C 2K4 | (519) 893-7484 |
| Canadian Union-Public Emplys 1120 Victoria St N #204, Kitchener N2B 3T2 | (519) 743-7781 |
| Cupe Local 68 141 King St E, Kitchener N2G 2K8 | (519) 579-5044 |
| Cupe Local 1883 141 King St E, Kitchener N2G 2K8 | (519) 571-1452 |
| Cupe Local 791 141 King St E, Kitchener N2G 2K8 | (519) 744-2956 |