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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 134 of 457 from the national official-source dataset.

131,786 records loaded

Gateway North Heating Ltd

Regulated licence
ElectriciansNorth Bay, ON
ElectriciansHVAC

Electrical Safety Authority · #7016964 · Licensed Electrical Contractor

Last seen May 7, 2026

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Grounded Electrical

Regulated licence
ElectriciansNorth Bay, ON
Electricians

Electrical Safety Authority · #7013202 · Licensed Electrical Contractor

Last seen May 7, 2026

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Herken Electrical

Regulated licence
ElectriciansNorth Bay, ON
Electricians

Electrical Safety Authority · #7015420 · Licensed Electrical Contractor

Last seen May 7, 2026

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K J Electric

Regulated licence
ElectriciansNorth Bay, ON
Electricians

Electrical Safety Authority · #7003326 · Licensed Electrical Contractor

Last seen May 7, 2026

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KELLY'S HEATING & ELECTRIC LTD.

Regulated licence
ElectriciansNorth Bay, ON
ElectriciansHVACWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #6197 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Ple Electrical

Regulated licence
ElectriciansNorth Bay, ON
Electricians

Electrical Safety Authority · #7015456 · Licensed Electrical Contractor

Last seen May 7, 2026

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POLY-B LTD.

Regulated licence
Well DrillersNorth Bay, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7776 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Riverside Contracting

Regulated licence
ElectriciansNorth Bay, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7012072 · Licensed Electrical Contractor

Last seen May 7, 2026

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W C Electric Ltd

Regulated licence
ElectriciansNorth Bay, ON
Electricians

Electrical Safety Authority · #7003266 · Licensed Electrical Contractor

Last seen May 7, 2026

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Ck Electric

Regulated licence
ElectriciansNorth Gower, ON
Electricians

Electrical Safety Authority · #7012996 · Licensed Electrical Contractor

Last seen May 7, 2026

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DBR Electric Ltd.

Regulated licence
ElectriciansNorth Gower, ON
Electricians

Electrical Safety Authority · #7015659 · Licensed Electrical Contractor

Last seen May 7, 2026

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Debray Solutions Inc

Regulated licence
ElectriciansNorth Gower, ON
Electricians

Electrical Safety Authority · #7000656 · Licensed Electrical Contractor

Last seen May 7, 2026

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Jensen Electric

Regulated licence
ElectriciansNorth Gower, ON
Electricians

Electrical Safety Authority · #7017927 · Licensed Electrical Contractor

Last seen May 7, 2026

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Jon Twilley Electrical

Regulated licence
ElectriciansNorth Gower, ON
Electricians

Electrical Safety Authority · #7017773 · Licensed Electrical Contractor

Last seen May 7, 2026

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K Wilson Electric Inc

Regulated licence
ElectriciansNorth Gower, ON
Electricians

Electrical Safety Authority · #7011383 · Licensed Electrical Contractor

Last seen May 7, 2026

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Smart Homes Ottawa Inc

Regulated licence
General ContractorsNorth Gower, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B27340 · Licensed builder/vendor

Last seen May 15, 2026

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