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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 55 of 457 from the national official-source dataset.

131,786 records loaded

Betron Electric Limited

Regulated licence
ElectriciansDunrobin, ON
Electricians

Electrical Safety Authority · #7001901 · Licensed Electrical Contractor

Last seen May 7, 2026

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Djs Electric Ltd.

Regulated licence
ElectriciansDunrobin, ON
Electricians

Electrical Safety Authority · #7015850 · Licensed Electrical Contractor

Last seen May 7, 2026

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Peter M Ross

Regulated licence
ElectriciansDunsford, ON
Electricians

Electrical Safety Authority · #7008999 · Licensed Electrical Contractor

Last seen May 7, 2026

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Bates Bros Construction Inc.

Regulated licence
ElectriciansDurham, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7017819 · Licensed Electrical Contractor

Last seen May 7, 2026

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Candue Homes

Regulated licence
General ContractorsDurham, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B19556 · Licensed builder/vendor

Last seen May 15, 2026

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Durham Electric

Regulated licence
ElectriciansDurham, ON
Electricians

Electrical Safety Authority · #7003659 · Licensed Electrical Contractor

Last seen May 7, 2026

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Holden's Electric

Regulated licence
ElectriciansDurham, ON
Electricians

Electrical Safety Authority · #7018707 · Licensed Electrical Contractor

Last seen May 7, 2026

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Tim Wells Electric

Regulated licence
ElectriciansDurham, ON
Electricians

Electrical Safety Authority · #7014465 · Licensed Electrical Contractor

Last seen May 7, 2026

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2787874 Ontario Limited

Regulated licence
ElectriciansDutton, ON
ElectriciansHVAC

Electrical Safety Authority · #7018749 · Licensed Electrical Contractor

Last seen May 7, 2026

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Parsons Electric

Regulated licence
ElectriciansDwight, ON
Electricians

Electrical Safety Authority · #7001742 · Licensed Electrical Contractor

Last seen May 7, 2026

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Jean Caron Electric

Regulated licence
ElectriciansEarlton, ON
Electricians

Electrical Safety Authority · #7000210 · Licensed Electrical Contractor

Last seen May 7, 2026

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LAFRAMBOISE DRILLING INC.

Regulated licence
Well DrillersEarlton, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8079 · Licensed well contractor CLASS 1

Last seen May 15, 2026

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Ams Electrical Solutions

Regulated licence
ElectriciansEast Garafraxa, ON
Electricians

Electrical Safety Authority · #7016435 · Licensed Electrical Contractor

Last seen May 7, 2026

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Derek Halls

Regulated licence
ElectriciansEast Garafraxa, ON
Electricians

Electrical Safety Authority · #7011908 · Licensed Electrical Contractor

Last seen May 7, 2026

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Lundy Electric Ltd

Regulated licence
ElectriciansEast Garafraxa, ON
Electricians

Electrical Safety Authority · #7011115 · Licensed Electrical Contractor

Last seen May 7, 2026

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Quinco Electric Inc

Regulated licence
ElectriciansEast Garafraxa, ON
Electricians

Electrical Safety Authority · #7011535 · Licensed Electrical Contractor

Last seen May 7, 2026

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Voltaris Electrical Ltd

Regulated licence
ElectriciansEast Gwillibury, ON
Electricians

Electrical Safety Authority · #7018792 · Licensed Electrical Contractor

Last seen May 7, 2026

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Abc Electric

Regulated licence
ElectriciansEast Gwillimbury, ON
Electricians

Electrical Safety Authority · #7008278 · Licensed Electrical Contractor

Last seen May 7, 2026

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K.B.S. Services Inc

Regulated licence
ElectriciansEast Gwillimbury, ON
Electricians

Electrical Safety Authority · #7012613 · Licensed Electrical Contractor

Last seen May 7, 2026

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Techking Inc

Regulated licence
ElectriciansEast Gwillimbury, ON
Electricians

Electrical Safety Authority · #7008082 · Licensed Electrical Contractor

Last seen May 7, 2026

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Electromag Business Inc.

Regulated licence
ElectriciansEast Gwillumbury, ON
Electricians

Electrical Safety Authority · #7017784 · Licensed Electrical Contractor

Last seen May 7, 2026

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Act Electrical

Regulated licence
ElectriciansEast York, ON
Electricians

Electrical Safety Authority · #7016585 · Licensed Electrical Contractor

Last seen May 7, 2026

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Al-Mo Electric Corp

Regulated licence
ElectriciansEast York, ON
Electricians

Electrical Safety Authority · #7007563 · Licensed Electrical Contractor

Last seen May 7, 2026

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