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Ontario Contractors

Search 22,802 official-source contractor records in Ontario. Filter by trade, source type, and direct contact availability.

Browse Ontario by city

Top city pages from the official-source dataset.

Toronto4,454Mississauga1,435Hamilton875Brampton586Markham574Concord510Richmond hill471Ottawa461London449Woodbridge361north york358vaughan340Burlington302Oakville272Scarborough257Etobicoke246Kitchener205Newmarket178Windsor173Cambridge170Thornhill166Pickering163Barrie161Guelph150Oshawa145Aurora136Whitby129Maple128Stoney Creek127Kingston123Ajax114St Catharines114Brantford112Waterloo110Bolton105Stouffville104

22,802 matching contractors

Showing page 406 of 457 from the national official-source dataset.

131,786 records loaded

ARMSTRONG CONTRACTING

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4203454 · BUILDING RENOVATOR

Last seen May 7, 2026

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ARTHAUS

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4972314 · BUILDING RENOVATOR

Last seen May 7, 2026

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ARTHUR ROSS

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-5004045 · BUILDING RENOVATOR

Last seen May 7, 2026

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ASCOT AIR SYSTEMS

Municipal licence
HVACToronto, ON
HVAC

City of Toronto · #T96-4179616 · MASTER HEATING INSTALLER

Last seen May 7, 2026

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ASCOT HOME IMPROVEMENT

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4430314 · BUILDING RENOVATOR

Last seen May 7, 2026

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ASEEC INC

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbers

City of Toronto · #T94-4648001 · PLUMBING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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ASG INVESTMENTS

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-0238366 · BUILDING RENOVATOR

Last seen May 7, 2026

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ASHKAN CONSTRUCTION

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-5228335 · BUILDING RENOVATOR

Last seen May 7, 2026

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ASM ROOFING

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation ContractorsRoofers

City of Toronto · #T85-3599235 · BUILDING RENOVATOR

Last seen May 7, 2026

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ASTRO PLUMBING

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbers

City of Toronto · #T94-5120192 · PLUMBING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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AT LANDSCAPING

Municipal licence
General ContractorsToronto, ON
General ContractorsLandscapingPaving

City of Toronto · #T93-4679881 · DRIVEWAY PAVING CONTRACTOR

Last seen May 7, 2026

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ATLANTIS CONSTRUCTION

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-3954867 · BUILDING RENOVATOR

Last seen May 7, 2026

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ATLAS PAVING COMPANY

Municipal licence
General ContractorsToronto, ON
General ContractorsPaving

City of Toronto · #T93-4723533 · DRIVEWAY PAVING CONTRACTOR

Last seen May 7, 2026

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ATRIUS CONTRACTING LTD

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4988585 · BUILDING RENOVATOR

Last seen May 7, 2026

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ATTARD PLUMBING

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbers

City of Toronto · #T94-3721214 · PLUMBING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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ATTILA'S PLUMBING

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbers

City of Toronto · #T94-3838264 · PLUMBING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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AUBURN PLUMBING & HEATING

Municipal licence
General ContractorsToronto, ON
General ContractorsHVACPlumbers

City of Toronto · #T94-0215694 · PLUMBING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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AUCOIN MECHANICAL SERVICES

Municipal licence
General ContractorsToronto, ON
General ContractorsHVACPlumbers

City of Toronto · #T94-3004800 · PLUMBING CONTRACTOR

Last seen May 7, 2026

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AUER, RICHARD

Municipal licence
PlumbersToronto, ON
Plumbers

City of Toronto · #T95-3013983 · MASTER PLUMBER

Last seen May 7, 2026

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AV MECHANICAL INC

Municipal licence
HVACToronto, ON
HVACPlumbers

City of Toronto · #T95-4935178 · MASTER PLUMBER

Last seen May 7, 2026

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AVALOS CONSTRUCTION

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-5038553 · BUILDING RENOVATOR

Last seen May 7, 2026

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AVENUE ROAD MASONRY

Municipal licence
Concrete MasonryToronto, ON
Concrete MasonryGeneral ContractorsRenovation Contractors

City of Toronto · #T85-4420688 · BUILDING RENOVATOR

Last seen May 7, 2026

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AVENUE ROAD ROOFING

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation ContractorsRoofers

City of Toronto · #T85-4648391 · BUILDING RENOVATOR

Last seen May 7, 2026

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AVIV, MICHAEL S

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbers

City of Toronto · #T94-3014155 · PLUMBING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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AVS ALUMINUM E ROOFING

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation ContractorsRoofers

City of Toronto · #T85-3479855 · BUILDING RENOVATOR

Last seen May 7, 2026

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AYDEN, TYLER W

Municipal licence
PlumbersToronto, ON
Plumbers

City of Toronto · #T95-5016745 · MASTER PLUMBER

Last seen May 7, 2026

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AYGUN, DOGAN

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-3102506 · BUILDING RENOVATOR

Last seen May 7, 2026

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B & B RENOVATION

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-0202043 · BUILDING RENOVATOR

Last seen May 7, 2026

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B HUNT CONTRACTING

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-3616968 · BUILDING RENOVATOR

Last seen May 7, 2026

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B JACKSON PLUMBING LTD

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbers

City of Toronto · #T94-0000755 · PLUMBING CONTRACTOR

Last seen May 7, 2026

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B SERRA AND SONS ROOFING

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation ContractorsRoofers

City of Toronto · #T85-3722567 · BUILDING RENOVATOR

Last seen May 7, 2026

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B.G.PLUMBING

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbers

City of Toronto · #T94-0204923 · PLUMBING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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B.J. MECHANICAL

Municipal licence
HVACToronto, ON
HVACPlumbers

City of Toronto · #T95-4295155 · MASTER PLUMBER

Last seen May 7, 2026 · 2 source records

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B&H RENOVATION

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-3950307 · BUILDING RENOVATOR

Last seen May 7, 2026

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BABCOCK & BRADLEY LTD

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-5105729 · BUILDING RENOVATOR

Last seen May 7, 2026

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