Construction

JBD Building Services Limited / Carpenters and Allied Workers Local 27, United Brotherhood of Carpenters and Joiners of America

2022–2025

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

2021–2026 · ONA

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

2025–2028 · ONA

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

2023–2025 · ONA

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Jestek Electric Ltd. / Christian Labour Association Of Canada

2020–2023

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

2020–2023 · ONA

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

2025–2028 · ONA

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J.G. Barrette Electric Ltd. / Christian Labour Association Of Canada

2023–2026

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

2024–2027 · ONA

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Jim's Concrete / Construction Workers Union, CLAC Local 6

2025–2028

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

2022–2025 · ONA

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

2025–2028 · ONA

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John Sims Concrete Construction / A Council Of Trade Unions Acting As The Representative And Agent Of Teamsters' Local Union 230 And Labourers' International Union of North America, Local 183

2023–2026 · Teamsters

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Johnson Electric Inc. / Construction Workers Union, CLAC Local 53

2025–2028

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JP Construction Contractors Ltd. / Labourers' International Union of North America, Local 183

2022–2025 · ONA

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JRM Hydrovac Excavation / International Union of Operating Engineers, Local 793

2025–2028 · ONA

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JS Services / International Union of Operating Engineers, Local 793

2025–2028 · ONA

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Jumbo Drywall Inc. / Allied Construction Employees, Local 1030, United Brotherhood of Carpenters and Joiners of America

2022–2025

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Justice Hydrovac / International Union of Operating Engineers, Local 793

2025–2028 · ONA

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KABB Construction Inc. / Labourers' International Union of North America, Local 183

2025–2028 · ONA

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Kappa Construction Inc. / Carpenters and Allied Workers Local 27, United Brotherhood of Carpenters and Joiners of America

2022–2025

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Kat Aluminum Ltd / Carpenters and Allied Workers, Local 27, United Brotherhood of Carpenters and Joiners of America

2022–2025

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KA Vanderzwaag Construction Inc. / International Union of Operating Engineers, Local 793

2020–2023 · ONA

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Kawartha Capital Corp. c.o.b. Kawartha Capital Construction / A Council Of Trade Unions Acting As The Representative And Agent Of Teamsters Local Union 230, And Universal Workers Union, Labourers' International Union Of North America, Local 183

2023–2026 · Teamsters

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Kaymen Steel Inc. / International Association Of Bridge, Structural, Ornamental And Reinforcing Iron Workers, Local 721

2022–2025 · ONA

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K & C Bobcat Services Ltd. / International Union of Operating Engineers, Local 793

2022–2025 · ONA

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Ken Jackson Construction Ltd / International Union of Operating Engineers, Local 793

2021–2023 · ONA

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Ken Jackson Construction Ltd / Teamsters Local Union 879 Affiliated With The International Brotherhood Of Teamsters

2020–2025 · Teamsters

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Ken Jackson Construction Ltd / Teamsters Local Union No. 879

2025–2030 · Teamsters

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Kent-Erie Glass & Lock Inc. / Construction Workers Union, CLAC Local 53

2025–2028

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