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Amalgamated Transit Union Local 1775 (ATU)
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Canadian Union of Postal Workers Local 503 (CUPW)
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International Brotherhood of Electrical Workers Local 353 (IBEW)
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International Federation of Professional and Technical Engineers (IFTPE)
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Ontario English Catholic Teachers' Association (OECTA) Elementary, Secondary, & Occasional
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Ontario Public Service Employees Union (OPSEU) Local 330, Local 389, Local 303, Local 346, Local 503, Local 349
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Ontario Secondary School Teachers Federation (OSSTF-District 17-English) Ontario Secondary School Teachers Federation (FEESO-French) |
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Public Service Alliance of Canada Local 52 (PSAC)
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Public Service Alliance of Canada-The Union of National Defence Employees (UNDE)
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Service Employees International Union-Healthcare (Region 3) (SEIU)
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Simcoe County Elementary Teachers Federation (SCETF)
Simcoe County Elementary Occasional Teachers Federation (SCEOTF)
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United Auto Workers Local 251 (UAW)
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