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ION Cleaning Solutions / Service Employees International Union, Local 2

2022–2025 · Other Services

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ION Facility Services Inc. / Labourers' International Union of North America, Local 183

2025–2028 · Other Services

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IPEX Management Inc. / Labourers' International Union of North America, Local 183

2021–2024 · Trade and Finance

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iRestify Inc. (Previously 2803149 Ontario Inc. o/a ELFM) / Labourers' International Union of North America, Local 183

2024–2026 · Other Services

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iRestify / Service Employees International Union Local 2

2022–2025 · Other Services

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Ironstone Building Company Inc. / Labourers' International Union of North America, Local 1059

2022–2025 · Construction

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Iroquois Falls Power Corp. / International Union Of Operating Engineers - Local 865

2019–2023 · Transport, Communications, ? Utilities

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ISS World / Service Employees International Union Local 2

2022–2025 · Other Services

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Itwal Limited / United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union (on behalf of its Local 9042)

2022–2026 · Trade and Finance

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J-Aar Excavating Ltd / International Union of Operating Engineers, Local 793

2023–2025 · Construction

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J & A Cleaning Solutions Limited / Labourers' International Union of North America, Local 183

2022–2025 · Other Services

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J & A Cleaning Solutions Ltd. / Labourers' International Union of North America, Local 183

2021–2024 · Other Services

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JA Janitorial / Labourers' International Union of North America, Local 1059

2020–2023 · Other Services

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James Lathem Excavating Limited / Labourers’ International Union of North America, Local 493

2023–2025 · Site Preparation Contractors

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Jason Restoration Limited / Labourers' International Union of North America, Local 183

2025–2028 · Construction

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Jay Patry Enterprises LLC. / Labourers' International Union of North America, Local 183

2024–2025 · Construction

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Jb Contracting / Labourers' International Union of North America, Local 183

2022–2025 · Construction

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JB Contracting / Labourers' International Union of North America, Local 183

2025–2028 · Construction

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JB Excavators (Algoma) Inc. / International Union of Operating Engineers, Local 793

2021–2026 · Construction

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JBL Construction a division of 1644472 Ontario Limited / International Union of Operating Engineers, Local 793

2025–2028 · Construction

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J.D Interlocking / Labourers' International Union of North America, Local 1059

2023–2025 · Construction

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

2021–2024 · Agriculture and Natural Resources

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J.E. Strong Limited O/A Servicemaster Contract Services Mississauga / Labourers' International Union of North America, Local 183

2025–2028 · Other Services

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J.F. Brennan Co. Inc. / International Union of Operating Engineers, Local 793

2020–2023 · Construction

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J.F. Brennan Company Inc. / Carpenters' Regional Council, United Brotherhood of Carpenters and Joiners of America (CRC)

2025–2028 · Construction

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J G Stewart Construction Ltd / International Union of Operating Engineers, Local 793

2024–2027 · Agriculture and Natural Resources

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Jim Nichols Trucking Ltd. / International Union of Operating Engineers, Local 793

2024–2027 · Construction

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J. Logan Kerr Limited Transport o/a Kerr Crane Service / International Union of Operating Engineers, Local 793

2022–2025 · Construction

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JMJ Construction Limited / International Union of Operating Engineers, Local 793

2025–2028 · Construction

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John Crane Canada Inc. / United, Steel, Paper And Forestry, Rubber, Manufacturing, Energy, Allied Industrial And Service Workers International Union, Local 16506

2024–2027 · Manufacturing

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