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S&I Cleaning Ltd. / Labourers' International Union of North America, Local 1059

2020–2023 · Other Services

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Sienna Senior Living - Island Park Retirement Residence / Service Employees International Union, Local 1 Canada

2023–2025 · Health ? Social Services

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Sienna Senior Living Streetsville Care Community / Service Employees International Union, Local 1 Canada

2021–2023 · Health ? Social Services

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Signature Contractors Windsor Inc / Restoration Council of Ontario (Operative Plasterers and Cement Masons International Association of the United States and Canada, Local 598, and the Carpenters’ District Council of Ontario, United Br…

2022–2025 · Construction

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Silver Star Sod & Landscaping o/a 1936522 Ontario Inc. / International Union of Operating Engineers, Local 793

2025–2028 · Construction

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Silver Star Sod & Landscaping o/a 1936522 Ontario Ltd. / International Union of Operating Engineers, Local 793

2025–2028 · Construction

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Simpson's Fence London Ltd. / Labourers' International Union of North America, Local 1059

2023–2026 · Construction

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Sioux Lookout Meno-Ya-Win Health Centre / Ontario Nurses' Association

2025–2027 · Health ? Social Services

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Site Preparation Limited / International Union of Operating Engineers Local 793

2022–2025 · Construction

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Site Preparation Limited / Labourers' International Union of North America, Local 527

2023–2026 · Other Services

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Site Preparation Limited (Service) / Labourers' International Union of North America, Local 527

2018–2023 · Other Services

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SKF Canada Limited / International Association of Machinists and Aerospace Workers Local Lodge 901

2022–2025 · Trade and Finance

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Sky Café Ltd. / International Association of Machinists and Aerospace Workers Tansportation, Disctrict 140, Local Lodge 2413

2021–2024 · Other Services

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Skyhawk Building Restoration Inc. / Labourers' International Union of North America, Local 183

2025–2028 · Construction

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Smid Construction Limited / Operative Plasterers' & Cement Masons' International Association Of The United States And Canada, Local 598

2022–2025 · Construction

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Smith and Long Contracting Ltd. / Sheet Metal Workers' International Association, Local 30

2025–2028 · Manufacturing

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Snap-On Tools of Canada Ltd. / United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union on behalf of its Local 9042

2021–2024 · Manufacturing

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Society Of St Vincent De Paul / Service Employees International Union Local 2, Brewery, General and Professional Workers' Union

2020–2023 · Trade and Finance

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Sodexo Canada Ltd. (Housekeeping Services at Kidney Care Centre) / Labourers' International Union of North America, Local 1059

2022–2025 · Other Services

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Sodexo Canada Ltd / Service Employees International Union, Local 2

2022–2025 · Other Services

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Soonor Retirement Corp (Great Northern Retirement Home) / United Steel, Paper And Forestry, Rubber, Manufacturing, Energy, Allied Industrial And Service Workers International Union, Local 8748

2024–2028 · Health ? Social Services

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Soulpepper Theatre Co / International Alliance Of Theatrical Stage Employees, Moving Picture Technicians, Artists And Allied Crafts Of The United States, Its Territories And Canada Local 828

2025–2027 · Other Services

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Soulpepper Theatre Company / International Alliance Of Theatrical Stage Employees, Moving Picture Technicians, Artists And Allied Crafts Of The United States, Its Territories And Canada Local 828

2022–2024 · Other Services

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Southampton Care Centre / Ontario Nurses' Association

2024–2026 · Health ? Social Services

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Southampton Nursing Home / Service Employees International Union, Local 1 Canada

2024–2026 · Health ? Social Services

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Southbridge Cornwall / Ontario Nurses' Association

2024–2026 · Health ? Social Services

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Southbridge Lakehead / Ontario Nurses' Association

2024–2026 · Health ? Social Services

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Southbridge London / Ontario Nurses' Association

2024–2026 · Health ? Social Services

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Southbridge Roseview / Ontario Nurses' Association

2024–2026 · Health ? Social Services

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South Central Restoration / Operative Plasterers' & Cement Masons' International Association Of The United States And Canada, Local 598

2022–2025 · Construction

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