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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 410 of 457 from the national official-source dataset.

131,786 records loaded

C & M DESIGN BUILD

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4536483 · BUILDING RENOVATOR

Last seen May 7, 2026

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C H A M P ENGINEERING LTD

Municipal licence
General ContractorsToronto, ON
General ContractorsHVACPlumbers

City of Toronto · #T92-3844453 · PLUMBING & HEATING CONTRACTOR

Last seen May 7, 2026 · 3 source records

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C H ROOFING & ALUMINIUM

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation ContractorsRoofers

City of Toronto · #T85-4823788 · BUILDING RENOVATOR

Last seen May 7, 2026

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C MITCHELL & SON

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-3253955 · BUILDING RENOVATOR

Last seen May 7, 2026

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C P SIDING ALUMINUM PROD

Municipal licence
Building EnvelopeToronto, ON
Building EnvelopeGeneral ContractorsRenovation Contractors

City of Toronto · #T85-0021494 · BUILDING RENOVATOR

Last seen May 7, 2026

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C.K RENOVATIONS

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-5144407 · BUILDING RENOVATOR

Last seen May 7, 2026

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C&A CONSTRUCTION

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4540572 · BUILDING RENOVATOR

Last seen May 7, 2026

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C&K DECORATION

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbers

City of Toronto · #T94-5210567 · PLUMBING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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C2C CONSTRUCTION

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-3606125 · BUILDING RENOVATOR

Last seen May 7, 2026

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CAIN, PAUL

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-0003633 · BUILDING RENOVATOR

Last seen May 7, 2026

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CALABRO CONSTRUCTION

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4648143 · BUILDING RENOVATOR

Last seen May 7, 2026

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CALI'S PLUMBLING

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbers

City of Toronto · #T94-0009459 · PLUMBING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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CALISON PLUMBING AND HEATING INC

Municipal licence
General ContractorsToronto, ON
General ContractorsHVACPlumbers

City of Toronto · #T92-4727790 · PLUMBING & HEATING CONTRACTOR

Last seen May 7, 2026 · 3 source records

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CAMARA ROOFING

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation ContractorsRoofers

City of Toronto · #T85-3955680 · BUILDING RENOVATOR

Last seen May 7, 2026

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CAMERA, VINCENZO

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-0003880 · BUILDING RENOVATOR

Last seen May 7, 2026

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CAMMISA, VITO

Municipal licence
PlumbersToronto, ON
Plumbers

City of Toronto · #T95-3013669 · MASTER PLUMBER

Last seen May 7, 2026

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CAMPOL CONSTRUCTION

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-0086950 · BUILDING RENOVATOR

Last seen May 7, 2026

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CAMSTRUCTION CONTRACTING

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4536228 · BUILDING RENOVATOR

Last seen May 7, 2026

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CAN CLIMATE

Municipal licence
General ContractorsToronto, ON
General ContractorsHVAC

City of Toronto · #T91-4310245 · HEATING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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CAN-SKY ROOFING & SHEET METAL

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation ContractorsRoofers

City of Toronto · #T85-4179120 · BUILDING RENOVATOR

Last seen May 7, 2026

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CANADA WATERPROOFERS INC

Municipal licence
Building EnvelopeToronto, ON
Building EnvelopePlumbersRoofers

City of Toronto · #T95-4543513 · MASTER PLUMBER

Last seen May 7, 2026

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CANADIAN GENERAL CONTRACTORS

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-3105939 · BUILDING RENOVATOR

Last seen May 7, 2026

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CANADIAN ROOF MASTERS

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation ContractorsRoofers

City of Toronto · #T85-4647572 · BUILDING RENOVATOR

Last seen May 7, 2026

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CANADIAN ROOTER

Municipal licence
PlumbersToronto, ON
Plumbers

City of Toronto · #T95-4726870 · MASTER PLUMBER

Last seen May 7, 2026

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CANADIAN SANITARY SYSTEMS

Municipal licence
General ContractorsToronto, ON
General ContractorsHVACPlumbers

City of Toronto · #T91-5232756 · HEATING CONTRACTOR

Last seen May 7, 2026 · 4 source records

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CANADIAN STAMPED CONCRETE

Municipal licence
Concrete MasonryToronto, ON
Concrete MasonryGeneral ContractorsPaving

City of Toronto · #T93-5232900 · DRIVEWAY PAVING CONTRACTOR

Last seen May 7, 2026

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CANADIAN TECH AIR SYSTEMS INC

Municipal licence
General ContractorsToronto, ON
General ContractorsHVACPlumbers

City of Toronto · #T91-0225133 · HEATING CONTRACTOR

Last seen May 7, 2026 · 4 source records

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CANADIAN TECHNICAL SERVICES

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-5141728 · BUILDING RENOVATOR

Last seen May 7, 2026

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CANAL DRAINS AND PLUMBING

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbers

City of Toronto · #T94-4830495 · PLUMBING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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CANHAM INTERIORS LTD

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4190081 · BUILDING RENOVATOR

Last seen May 7, 2026

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CANNOCK CONSTRUCTION

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4293454 · BUILDING RENOVATOR

Last seen May 7, 2026

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CANTECH MECHANICAL SERVICES

Municipal licence
General ContractorsToronto, ON
General ContractorsHVAC

City of Toronto · #T91-3843853 · HEATING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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CAPITAL PH

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbers

City of Toronto · #T94-4815476 · PLUMBING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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CAPTAIN AIR MECHANICAL

Municipal licence
General ContractorsToronto, ON
General ContractorsHVAC

City of Toronto · #T91-3959236 · HEATING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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CARDONI, FRANK

Municipal licence
HVACToronto, ON
HVAC

City of Toronto · #T96-0000875 · MASTER HEATING INSTALLER

Last seen May 7, 2026

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