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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 124 of 457 from the national official-source dataset.

131,786 records loaded

WSP Applied Solutions Inc.

Regulated licence
Well DrillersMississauga, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8133 · Licensed well contractor CLASS 1, 3, 4

Last seen May 15, 2026

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Wu Electric Inc

Regulated licence
ElectriciansMississauga, ON
Electricians

Electrical Safety Authority · #7007915 · Licensed Electrical Contractor

Last seen May 7, 2026

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Yorkville Electric Inc.

Regulated licence
ElectriciansMississauga, ON
Electricians

Electrical Safety Authority · #7017213 · Licensed Electrical Contractor

Last seen May 7, 2026

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Zosic's Electric

Regulated licence
ElectriciansMississauga, ON
Electricians

Electrical Safety Authority · #7013418 · Licensed Electrical Contractor

Last seen May 7, 2026

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ZS Electric Inc.

Regulated licence
ElectriciansMississauga, ON
Electricians

Electrical Safety Authority · #7011637 · Licensed Electrical Contractor

Last seen May 7, 2026

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D.S Electrical Inc.

Regulated licence
ElectriciansMitchell, ON
Electricians

Electrical Safety Authority · #7010558 · Licensed Electrical Contractor

Last seen May 7, 2026

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Ed Mohr

Regulated licence
ElectriciansMitchell, ON
Electricians

Electrical Safety Authority · #7004462 · Licensed Electrical Contractor

Last seen May 7, 2026

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Larter Electric

Regulated licence
ElectriciansMitchell, ON
Electricians

Electrical Safety Authority · #7018593 · Licensed Electrical Contractor

Last seen May 7, 2026

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PEARN PLUMBING & HEATING LTD.

Regulated licence
HVACMitchell, ON
HVACPlumbersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7877 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Perth Electric

Regulated licence
ElectriciansMitchell, ON
Electricians

Electrical Safety Authority · #7012929 · Licensed Electrical Contractor

Last seen May 7, 2026

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Pol Quality Homes Inc.

Regulated licence
General ContractorsMitchell, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B28210 · Licensed builder/vendor

Last seen May 15, 2026

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Vosper Electric

Regulated licence
ElectriciansMitchell, ON
Electricians

Electrical Safety Authority · #7001176 · Licensed Electrical Contractor

Last seen May 7, 2026

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First Line Electric Ltd

Regulated licence
ElectriciansMoffat, ON
Electricians

Electrical Safety Authority · #7009160 · Licensed Electrical Contractor

Last seen May 7, 2026

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RTW Enterprises

Regulated licence
ElectriciansMoffat, ON
Electricians

Electrical Safety Authority · #7004775 · Licensed Electrical Contractor

Last seen May 7, 2026

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Teso Electric

Regulated licence
ElectriciansMonetville, ON
Electricians

Electrical Safety Authority · #7014822 · Licensed Electrical Contractor

Last seen May 7, 2026

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Tec Power Ltd

Regulated licence
ElectriciansMonkton, ON
Electricians

Electrical Safety Authority · #7017838 · Licensed Electrical Contractor

Last seen May 7, 2026

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Kan Do Electric Inc

Regulated licence
ElectriciansMono, ON
Electricians

Electrical Safety Authority · #7013067 · Licensed Electrical Contractor

Last seen May 7, 2026

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Nixon Electric

Regulated licence
ElectriciansMono, ON
Electricians

Electrical Safety Authority · #7017211 · Licensed Electrical Contractor

Last seen May 7, 2026

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ONTARIO WATER WELL SERVICES INC.

Regulated licence
Well DrillersMono, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #4011 · Licensed well contractor CLASS 1, 3, 4

Last seen May 15, 2026

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Wonfor Electric Ltd

Regulated licence
ElectriciansMono, ON
Electricians

Electrical Safety Authority · #7010520 · Licensed Electrical Contractor

Last seen May 7, 2026

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WSP Canada Inc.

Regulated licence
Well DrillersMontreal, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8214 · Licensed well contractor CLASS 3

Last seen May 15, 2026

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Chevalier Electric Inc.

Regulated licence
ElectriciansMoonbeam, ON
Electricians

Electrical Safety Authority · #7014644 · Licensed Electrical Contractor

Last seen May 7, 2026

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Straw Electric

Regulated licence
ElectriciansMoonstone, ON
Electricians

Electrical Safety Authority · #7010786 · Licensed Electrical Contractor

Last seen May 7, 2026

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FREY'S WATER SYSTEMS INC.

Regulated licence
Well DrillersMoorefield, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #6895 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Stu-Mar Electric Inc

Regulated licence
ElectriciansMoorefield, ON
Electricians

Electrical Safety Authority · #7009520 · Licensed Electrical Contractor

Last seen May 7, 2026

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Ts Contracting

Regulated licence
ElectriciansMoorefield, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7008863 · Licensed Electrical Contractor

Last seen May 7, 2026

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Zonneveld Electric

Regulated licence
ElectriciansMoorefield, ON
Electricians

Electrical Safety Authority · #7011649 · Licensed Electrical Contractor

Last seen May 7, 2026

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Delhey Electric Ltd

Regulated licence
ElectriciansMoose Creek, ON
Electricians

Electrical Safety Authority · #7008949 · Licensed Electrical Contractor

Last seen May 7, 2026

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Great North Electric

Regulated licence
ElectriciansMoose Factory, ON
Electricians

Electrical Safety Authority · #7010563 · Licensed Electrical Contractor

Last seen May 7, 2026

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Guildcrest Homes

Regulated licence
General ContractorsMorewood, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B21106 · Licensed builder/vendor

Last seen May 15, 2026

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Mclaughlin Electric Inc

Regulated licence
ElectriciansMorewood, ON
Electricians

Electrical Safety Authority · #7015166 · Licensed Electrical Contractor

Last seen May 7, 2026

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Plante Electric Ltd

Regulated licence
ElectriciansMorrisburg, ON
Electricians

Electrical Safety Authority · #7000046 · Licensed Electrical Contractor

Last seen May 7, 2026

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