Construction

Old Oak Developments Inc. / Labourers' International Union of North America, Local 1059

2023–2026 · ONA

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O'Leary's Ltd. / Labourers' International Union of North America, Local 527

2022–2025 · ONA

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Onsite Sewer Services / Labourers' International Union of North America, Ontario Provincial District Council

2022–2025 · ONA

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Ontario Concrete & Drain Contractors' Association / Labourers' International Union of North America, Local 183 and International Union of Operating Engineers, Local 793

2022–2025 · ONA

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Onyx Electrical / Construction Workers Union, CLAC Local 52

2020–2023

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Orin Enterprises Inc. / International Union of Operating Engineers, Local 793

2025–2028 · ONA

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OSP Contractors Inc. / International Union of Operating Engineers, Local 793

2020–2024 · ONA

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

2023–2025 · ONA

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Outside Property Maintenance / Labourers' International Union Of North America, Local 1089

2020–2024 · ONA

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Oxford Builders Supplies Inc. / International Union of Operating Engineers, Local 793

2025–2028 · ONA

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Oxnard Development Inc. o/a Oxnard Homes, Oxnard Development Corporation, Oxnard Potters Gate Inc., Oxnard Group Inc., and 2385667 Ontario Inc. / Carpenters' Regional Council, United Brotherhood of Carpenters and Joiners of America

2022–2025 · ONA

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Pacific Wood Trim Ltd. / Labourers' International Union of North America, Local 183

2025–2028 · ONA

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Palmer Construction Group Inc / International Union of Operating Engineers, Local 793

2021–2024 · ONA

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P.A.M. Gardens Non-Profit Housing Inc. / Brick And Allied Craft Union Of Canada, Local 5

2023–2025

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Panoramic Properties Inc. and Butera Group Realty Inc., Butera Investments Inc. and Butera Group Inc. / United Brotherhood Of Carpenters And Joiners Of America, Local 2486

2023–2025

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Paynel Electrical Contractors / Construction Workers Union, CLAC Local 52

2025–2028

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P.C Caulking & Restorations Inc. / Carpenters and Allied Workers Local 27, United Brotherhood of Carpenters and Joiners of America

2022–2025

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P.C.L. Finishes Inc. / Carpenters and Allied Workers Local 27, United Brotherhood of Carpenters and Joiners of America

2022–2025

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Penalta Group Ltd. / Construction Workers Union, CLAC Local 52

2022–2025

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Penegal Trim & Supply Ltd/Marchetti Lumber / Carpenters and Allied Workers Local 27, United Brotherhood of Carpenters and Joiners of America

2022–2025

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Peninsula Construction Inc. / Labourers' International Union of North America, Local 1059

2023–2026 · ONA

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Peninsula Traffic Inc. / Labourers' International Union Of North America, Local 837

2021–2023 · ONA

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Percon Construction Inc. / Construction Workers Union, CLAC Local 52

2025–2028

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Performance Communities Inc. (PCI) o/a Hayhoe Homes / Labourers' International Union of North America, Local 1059

2020–2023 · ONA

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Permanent Paving Ltd. / Labourers' International Union of North America, Local 1059

2021–2025 · ONA

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PGC Services London Inc. / Labourer's International Union of North America, Local 1059

2023–2026 · ONA

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P.H.E. Contractors Sales Ltd. / Construction Workers Union, CLAC Local 52

2024–2027

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PHE Contractors Sales Ltd. / Construction Workers Union, CLAC Local 52

2021–2024

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Phoenix Wall Decoration Ltd. o/a Phoenix Cladding Systems Ltd. / Allied Construction Employees Local 1030, United Brotherhood of Carpenters and Joiners of America

2022–2025

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Pine Glen Homes/Pine Glen Developments/Pine Glen General Contractors/Pine Glen Properties/Pine Glen Niagara/Pine Glen Beamsville/Pine Glen Colborne/Pine Glen Thorold/Pine Glen Weiland/Pine Glen Wilco… / Labourers' International Union of North Americ…

2023–2025 · ONA

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