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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 64 of 457 from the national official-source dataset.

131,786 records loaded

Pin-Co Power Inc.

Regulated licence
ElectriciansFenelon Falls, ON
Electricians

Electrical Safety Authority · #7012813 · Licensed Electrical Contractor

Last seen May 7, 2026

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A C B Electrical & Welding

Regulated licence
ElectriciansFenwick, ON
ElectriciansPressure EquipmentWelding

Electrical Safety Authority · #7003130 · Licensed Electrical Contractor

Last seen May 7, 2026

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1919356 Ontario Inc

Regulated licence
ElectriciansFergus, ON
Electricians

Electrical Safety Authority · #7015411 · Licensed Electrical Contractor

Last seen May 7, 2026

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Briggzy'S Contracting Inc

Regulated licence
ElectriciansFergus, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7013108 · Licensed Electrical Contractor

Last seen May 7, 2026

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Brubacher Powerline Inc

Regulated licence
ElectriciansFergus, ON
Electricians

Electrical Safety Authority · #7013529 · Licensed Electrical Contractor

Last seen May 7, 2026

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Fergus Electric

Regulated licence
ElectriciansFergus, ON
Electricians

Electrical Safety Authority · #7009817 · Licensed Electrical Contractor

Last seen May 7, 2026

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I.D. Electric Inc

Regulated licence
ElectriciansFergus, ON
Electricians

Electrical Safety Authority · #7013608 · Licensed Electrical Contractor

Last seen May 7, 2026

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Jennark Homes

Regulated licence
General ContractorsFergus, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B22202 · Licensed builder/vendor

Last seen May 15, 2026

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K&M Electric Company

Regulated licence
ElectriciansFergus, ON
Electricians

Electrical Safety Authority · #7012513 · Licensed Electrical Contractor

Last seen May 7, 2026

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Sevan For Home

Regulated licence
ElectriciansFergus, ON
Electricians

Electrical Safety Authority · #7012615 · Licensed Electrical Contractor

Last seen May 7, 2026

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Woodland Electric

Regulated licence
ElectriciansFergus, ON
Electricians

Electrical Safety Authority · #7008622 · Licensed Electrical Contractor

Last seen May 7, 2026

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Mullin Electric Inc

Regulated licence
ElectriciansFeversham, ON
Electricians

Electrical Safety Authority · #7002661 · Licensed Electrical Contractor

Last seen May 7, 2026

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Ak347 Electric

Regulated licence
ElectriciansFinch, ON
Electricians

Electrical Safety Authority · #7015243 · Licensed Electrical Contractor

Last seen May 7, 2026

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Gauthier Well Drilling

Regulated licence
Well DrillersFinch, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8112 · Licensed well contractor CLASS 1, 2

Last seen May 15, 2026

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Leduc Electric Ltd

Regulated licence
ElectriciansFitzroy Harbour, ON
Electricians

Electrical Safety Authority · #7003719 · Licensed Electrical Contractor

Last seen May 7, 2026

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Sitewise Electric Ltd

Regulated licence
ElectriciansFitzroy Harbour, ON
Electricians

Electrical Safety Authority · #7010937 · Licensed Electrical Contractor

Last seen May 7, 2026

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Dv Electric

Regulated licence
ElectriciansFlesherton, ON
Electricians

Electrical Safety Authority · #7003191 · Licensed Electrical Contractor

Last seen May 7, 2026

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H4 Solutions Inc

Regulated licence
ElectriciansFlesherton, ON
Electricians

Electrical Safety Authority · #7016218 · Licensed Electrical Contractor

Last seen May 7, 2026

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Stewart Electrical

Regulated licence
ElectriciansFlesherton, ON
Electricians

Electrical Safety Authority · #7016924 · Licensed Electrical Contractor

Last seen May 7, 2026

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Universal Builders

Regulated licence
General ContractorsFlesherton, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B45449 · Licensed builder/vendor

Last seen May 15, 2026

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Z.H Mechanical Inc.

Regulated licence
HVACFloradale, ON
HVACWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8098 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Greeny Electric

Regulated licence
ElectriciansFlorence, ON
Electricians

Electrical Safety Authority · #7018511 · Licensed Electrical Contractor

Last seen May 7, 2026

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Electric By Design

Regulated licence
ElectriciansFonthill, ON
Electricians

Electrical Safety Authority · #7012057 · Licensed Electrical Contractor

Last seen May 7, 2026

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Escarpment Edge Ltd

Regulated licence
ElectriciansFonthill, ON
Electricians

Electrical Safety Authority · #7018027 · Licensed Electrical Contractor

Last seen May 7, 2026

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