Unions / Ministry of Education / Service Employees’ International Union / Ministry of Labour / Canadian Office / Ontario Public Service Employees Union / Professional Employees Custodian Association of Huron Perth Educational Resource Facilitators of Peel Essex & Kent Counties Skilled Trades Labourers / Custodian Association of Huron Perth / Labourers’ International Union of North America / Peel Essex & Kent Counties Skilled Trades Labourers’ International Union of North America Ontario Public Service Employees Union Service Employees / /