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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 208 of 457 from the national official-source dataset.

131,786 records loaded

Unique Fine Tech Inc

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7013837 · Licensed Electrical Contractor

Last seen May 7, 2026

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United Rentals of Canada, Inc.

Regulated licence
Well DrillersToronto, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8131 · Licensed well contractor CLASS 2,3,4

Last seen May 15, 2026

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Versatech Mechanical

Regulated licence
ElectriciansToronto, ON
ElectriciansGeneral ContractorsHVAC

Electrical Safety Authority · #7009105 · Licensed Electrical Contractor

Last seen May 7, 2026 · 3 source records

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VGS Electric

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7004744 · Licensed Electrical Contractor

Last seen May 7, 2026

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Vint Automation

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7005283 · Licensed Electrical Contractor

Last seen May 7, 2026

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Vitall Inc.

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7013291 · Licensed Electrical Contractor

Last seen May 7, 2026

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Vlv Electric Inc

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7010267 · Licensed Electrical Contractor

Last seen May 7, 2026

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Voltage Vision Electric

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7018251 · Licensed Electrical Contractor

Last seen May 7, 2026

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Volton Electric Inc

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7002213 · Licensed Electrical Contractor

Last seen May 7, 2026

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WATERMARK ENVIRONMENTAL LTD.

Regulated licence
Well DrillersToronto, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7612 · Licensed well contractor Class 5, Exempt Class 5

Last seen May 15, 2026

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Watts Up Electrical Inc

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7011549 · Licensed Electrical Contractor

Last seen May 7, 2026

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Webam Eletric Inc.

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7018440 · Licensed Electrical Contractor

Last seen May 7, 2026

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Welltech Electric Ltd

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7000596 · Licensed Electrical Contractor

Last seen May 7, 2026

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Wem Electric Inc.

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7010469 · Licensed Electrical Contractor

Last seen May 7, 2026

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Wen Electrical Service

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7015961 · Licensed Electrical Contractor

Last seen May 7, 2026

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White Hill Contracting Ltd

Regulated licence
ElectriciansToronto, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7004141 · Licensed Electrical Contractor

Last seen May 7, 2026

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With Electric System

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7017105 · Licensed Electrical Contractor

Last seen May 7, 2026

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WJ GROUNDWATER CANADA LTD.

Regulated licence
ElectriciansToronto, ON
ElectriciansWell Drillers

Electrical Safety Authority · #7017866 · Licensed Electrical Contractor

Last seen May 15, 2026 · 2 source records

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World Electric

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7010452 · Licensed Electrical Contractor

Last seen May 7, 2026

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Wrightway Contractors

Regulated licence
ElectriciansToronto, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7005511 · Licensed Electrical Contractor

Last seen May 7, 2026

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Y Electrical Inc

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7017597 · Licensed Electrical Contractor

Last seen May 7, 2026

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Zed Electric Inc

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7001770 · Licensed Electrical Contractor

Last seen May 7, 2026

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Zeus Power Company Inc

Regulated licence
ElectriciansToronto, ON
Electricians

Electrical Safety Authority · #7018206 · Licensed Electrical Contractor

Last seen May 7, 2026

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Zuzzu Renovation

Regulated licence
ElectriciansToronto, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7017335 · Licensed Electrical Contractor

Last seen May 7, 2026

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Gadway Wire Ltd

Regulated licence
ElectriciansTory Hill, ON
Electricians

Electrical Safety Authority · #7013375 · Licensed Electrical Contractor

Last seen May 7, 2026

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Ae Electric

Regulated licence
ElectriciansTottenham, ON
Electricians

Electrical Safety Authority · #7011812 · Licensed Electrical Contractor

Last seen May 7, 2026

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Bigguy Electric Inc

Regulated licence
ElectriciansTottenham, ON
Electricians

Electrical Safety Authority · #7013005 · Licensed Electrical Contractor

Last seen May 7, 2026

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