Manufacturing

Genpak, a division Of Great Pacific Enterprises L.P. / Teamsters Local Union 938

2025–2027 · Teamsters

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Genpak Lp, A Division Of Great Pacific Enterprises / Unifor and its Local 685

2020–2024 · Unifor

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Gensteel Doors Ontario Inc / United Food and Commercial Workers Canada, Local 175

2021–2024

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Gerdau Ameristeel - Cambridge Division / United Steel, Paper And Forestry, Rubber, Manufacturing, Energy, Allied Industrial And Service Workers International Union, Local 8918

2023–2026 · ONA

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Gilbert Steel Limited / Teamsters Local Union 847

2022–2028 · Teamsters

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GIP Materials Engineering, a division of GIP Paving Inc. / International Union of Operating Engineers, Local 793

2023–2026 · ONA

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GIP Paving Inc. (previously Coco Paving Inc.) / Teamsters Local Union No. 91

2022–2024 · Teamsters

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Golden Boy Foods Ltd. / United Food And Commercial Workers Canada, Local 175

2021–2024

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Graham Packaging Canada Limited / United Steel, Paper And Forestry, Rubber, Manufacturing, Energy, Allied Industrial And Service Workers International Union, Local 243G

2022–2025 · ONA

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GreenFirst Forest Products (QC) Inc. – Kapuskasing Operations / Unifor and its Local 256

2021–2025 · Unifor

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Greif (Previously Newark Paperboard Products, Ltd. o/a Caraustar) / Labourers' International Union of North America, Local 183

2022–2025 · ONA

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Grober Nutrition Inc. / United Food and Commercial Workers Canada, Local 175

2021–2025

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Gsf Ltd / United Brotherhood Of Carpenters And Joiners Of America, Local 1072

2020–2023

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Gunther Mele Ltd / United Steelworkers, Local 1-500

2025–2027 · USW

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Halltech Inc. / United Steelworkers Local 3-01

2021–2024 · USW

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Halton Indoor Climate Systems Ltd / Labourers' International Union of North America, Local 506

2021–2023 · ONA

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Harbord Bakery Ltd / Bakery, Confectionery, Tobacco Workers & Grain Millers International Union, Local 181

2021–2024 · ONA

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Harsco Environmental Canada / United Steel, Paper And Forestry, Rubber, Manufacturing, Energy, Allied Industrial And Service Workers International Union, Local 8782

2023–2026 · ONA

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Harsco Environmental / United Steel, Paper And Forestry, Rubber, Manufacturing, Energy, Allied Industrial And Service Workers International Union (United Steelworkers) on behalf of Union Local 16506-60

2023–2026 · USW

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Hauser Industries Inc / Unifor and its Local 1106

2021–2025 · Unifor

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Heico/Infasco Nut Lp Division of Ifastgroupe and Company Limited Partnership (Ifastgroupe Inc. General Partner) / United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union on behalf of…

2020–2025 · ONA

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Heidelberg Materials Canada Limited / International Brotherhood Of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers And Helpers, Local 494

2023–2026 · ONA

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Hermes Bakery / Bakery, Confectionery, Tobacco Workers & Grain Millers International Union, Local 181

2022–2025 · ONA

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H & H Manufacturing Ltd. / International Association Of Machinists And Aerospace Workers

2025–2028 · ONA

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Highbury Canco Corporation / International Union of Operating Engineers, Local 772

2018–2023 · ONA

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Highbury Canco Corporation / International Union Of Operating Engineers, Local 772

2023–2028 · ONA

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Hiram Walker & Sons Limited / International Union Of Operating Engineers, Local 772

2022–2026 · ONA

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Hitachi Energy Canada Inc. (Formerly ABB Industrial Solutions (Canada) Inc.) - For the Stoney Creek Plant / Unifor and Its Local 252

2022–2025 · Unifor

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HMFT Inc. (Formerly known as Howard Marten Co Ltd) / International Association Of Machinists And Aerospace Workers, Local 901

2022–2025 · ONA

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Hood Packaging Corporation / Teamsters Local Union 91

2020–2025 · Teamsters

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