ONA

Seasons Retirement Communities (Seasons Clarington) / International Association of Machinists and Aerospace Workers District Local 78

2020–2023 · Health ? Social Services

→

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

2023–2025 · Health ? Social Services

→

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

2023–2026 · Health ? Social Services

→

Sebba Steel Construction Ltd. / International Association Of Bridge, Structural, Ornamental And Reinforcing Iron Workers, Local 721

2022–2025 · Construction

→

Secoge Marble and Granite Corp. / Labourers' International Union Of North America, Local 183

2022–2025 · Construction

→

Secord Trails Care Community / Ontario Nurses' Association

2021–2024 · Health ? Social Services

→

Secord Trails Community / Ontario Nurses' Association

2024–2026 · Health ? Social Services

→

Secure Orbit Inc. o/a Northwest Fencing/Lakehead Overhead Doors / Labourers' International Union Of North America, Local 607

2023–2026 · Construction

→

Select Maintenance Ontario Inc. / Labourers' International Union of North America, Local 183

2026–2028 · Other Services

→

Selkirk Canada Corporation / United Steel, Paper And Forestry, Rubber, Manufacturing, Energy, Allied Industrial And Service Workers International Union, Local 2020-51

2023–2026 · Manufacturing

→

Sensenbrenner Hospital / Canadian Office & Professional Employees Union (COPE), Local 523

2021–2024 · Health ? Social Services

→

Sensenbrenner Hospital / Ontario Nurses' Association

2025–2027 · Health ? Social Services

→

Sensenbrenner Hospital / Service Employees International Union, Local 1 Canada

2026–2028 · Health ? Social Services

→

Service Corporation International (Canada) ULC operating as Coutts Funeral Home & Cremation Centre / United Food and Commercial Workers International Union, Local 175

2024–2027 · Other Services

→

ServiceMaster Clean of Etobicoke / Service Employees International Union, Local 2

2022–2025 · Other Services

→

ServiceMaster of Etobicoke / Labourers' International Union of North America, Local 183

2023–2025 · Other Services

→

Service Ménagers Roy (Les) / Service Employees International Union, Local 2

2022–2025 · Other Services

→

S & F Excavating Limited / International Union of Operating Engineers, Local 793

2025–2028 · Construction

→

SGS Elevators Inc. / International Union Of Elevator Constructors, Local 96

2022–2025 · Construction

→

Shalom Village Nursing Home and the Hamilton Jewish Home for the Aged / Ontario Nurses' Association

2021–2023 · Health ? Social Services

→

Shareholder Association for Research and Education / United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union, on behalf of local 2009

2025–2028 · Trade and Finance

→

Sheet Metal Workers' International Association, Local Union No.30 / Canadian Office and Professional Employees Union, Local 343

2024–2027 · Other Services

→

Shelburne Retirement Community / Service Employees International Union, Local 1 Canada

2023–2025 · Health ? Social Services

→

Sheldons Engineering Division of Earlscourt Metal Industries Ltd. / Sheet Metal Workers' International Association, Local 30

2020–2023 · Manufacturing

→

Sheldons Engineering, Division of Earlscourt Metal Industries Ltd. / Sheet Metal Workers' International Association, Local 30

2023–2027 · Manufacturing

→

Shepherd Village Inc / Ontario Nurses' Association

2024–2026 · Health ? Social Services

→

Shepherd Village Inc. / Ontario Nurses' Association

2019–2024 · Health ? Social Services

→

Sherwood Park Manor Inc. / Ontario Nurses' Association

2024–2026 · Health ? Social Services

→

Shinol Inc. / Service Employees International Union Local 2

2022–2025 · Other Services

→

Shouldice Hospital Ltd / Ontario Nurses' Association

2023–2025 · Health ? Social Services

→