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Royce Metal Products Ltd / Sheet Metal Workers' International Association, Local 30

2010–2030 · Manufacturing

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RPS Ontario Inc. / Sheet Metal Workers' International Association, Local 540

2024–2026 · Manufacturing

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RS Home Solutions / Labourers' International Union Of North America, Local 1059

2022–2024 · All Other Specialty Trade Contractors

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R. Sirro Cement Finishing & Stucco Ltd. / Labourers' International Union of North America, Local 183

2025–2028 · Construction

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Rubicon Contracting Corporation / International Union of Operating Engineers, Local 793

2022–2025 · Construction

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Rulmeca Canada Limited / International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers, Local 834

2021–2024 · Manufacturing

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Runnymede Healthcare Centre / Ontario Nurses' Association

2025–2027 · Health ? Social Services

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Russell Hill Retirement Residence / United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union

2021–2024 · Health ? Social Services

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R.W. Tomlinson Limited / International Union of Operating Engineers, Local 793

2022–2025 · Construction

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Rykka Care Centre Lp (Anson Place Care Centre) / Service Employees International Union, Local 1 Canada

2024–2026 · Health ? Social Services

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Sacchetti Construction Ltd. / International Union of Operating Engineers, Local 793

2022–2025 · Construction

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Safety Kleen Canada Inc. / International Union of Operating Engineers, Local 793

2022–2025 · Other Services

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Safran Electronics Canada / International Association Of Machinists And Aerospace Workers, Local Lodge 905

2020–2023 · Manufacturing

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Sage Parts Canada Inc. / International Association Of Machinists And Aerospace Workers, District 140 & Local 2413

2025–2028 · Other Services

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Saint Elizabeth Health Care / Ontario Nurses' Association

2024–2025 · Health ? Social Services

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Salit Steel / United Steel, Paper And Forestry, Rubber, Manufacturing, Energy, Allied Industrial And Service Workers International Union, Local 4153

2024–2026 · Manufacturing

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Salvation Army Kitchener New Directions Centre and Salvation Army National Recycling Operations Kitchener & Cambridge / Service Employees International Union Local 2, Brewery, General and Professional Workers' Union

2022–2025 · Health ? Social Services

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Sandfield Place Retirement and Long Term Care Home / Ontario Nurses' Association

2024–2026 · Health ? Social Services

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Sansar Contracting Ltd. / International Union of Operating Engineers, Local 793

2022–2025 · Construction

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San-Sar Contracting Ltd. / International Union of Operating Engineers, Local 793

2025–2028 · Construction

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Santé Manitouwadge Health / Ontario Nurses' Association

2025–2027 · Health ? Social Services

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Santi Services / Service Employees International Union, Local 2

2025–2028 · Other Services

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Sarnia & District Society for Prevention of Cruelty to Animals / Service Employees International Union, Local 1 Canada

2020–2023 · Other Services

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Sarnia & District Society For Prevention Of Cruelty To Animals / Service Employees International Union, Local 1 Canada

2023–2026 · Other Services

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Sartor Environmental Group Inc. / International Union of Operating Engineers Local 793

2025–2028 · Construction

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SCGM Management / Canadian Office and Professional Employees Union, Local 343

2022–2024 · Other Services

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Schauenburg Industries Ltd. / United Steel, Paper And Forestry, Rubber, Manufacturing, Energy, Allied Industrial And Service Workers International Union, Local 2020

2020–2025 · Manufacturing

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Schlegel Villages Inc. o/a The Village of Glendale Crossing / Ontario Nurses' Association

2024–2026 · Health ? Social Services

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Seasons Retirement Communities (Cambridge) / Labourers' International Union of North America, Local 3000

2023–2025 · Health ? Social Services

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Seasons Retirement Communities (London) / Labourers' International Union of North America, Local 3000

2024–2027 · Health ? Social Services

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