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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 169 of 457 from the national official-source dataset.

131,786 records loaded

ALLENS ENTERPRISES SERVICES INC.

Regulated licence
Well DrillersRosslyn, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7131 · Licensed well contractor CLASS 2, 4

Last seen May 15, 2026

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AMETHYST WELL DRILLING LTD.

Regulated licence
Well DrillersRosslyn, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #6384 · Licensed well contractor CLASS 1, 2, 4

Last seen May 15, 2026

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Gilbert Electric Inc

Regulated licence
ElectriciansRosslyn, ON
Electricians

Electrical Safety Authority · #7001305 · Licensed Electrical Contractor

Last seen May 7, 2026

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KERSHAW WELL SERVICES

Regulated licence
Well DrillersRosslyn, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #6941 · Licensed well contractor CLASS 1, 2, 4

Last seen May 15, 2026

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Overpass Electric

Regulated licence
ElectriciansRosslyn, ON
Electricians

Electrical Safety Authority · #7017627 · Licensed Electrical Contractor

Last seen May 7, 2026

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BANKLEY'S PLUMBING INC.

Regulated licence
PlumbersRussell, ON
PlumbersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7434 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Fader Electric Corp

Regulated licence
ElectriciansRussell, ON
Electricians

Electrical Safety Authority · #7008890 · Licensed Electrical Contractor

Last seen May 7, 2026

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Prg Electric

Regulated licence
ElectriciansRussell, ON
Electricians

Electrical Safety Authority · #7017269 · Licensed Electrical Contractor

Last seen May 7, 2026

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Quinn Power Systems

Regulated licence
ElectriciansSaint Pauls, ON
ElectriciansHVAC

Electrical Safety Authority · #7018611 · Licensed Electrical Contractor

Last seen May 7, 2026

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Eastern Energy

Regulated licence
ElectriciansSaint-Pascal-Baylon, ON
Electricians

Electrical Safety Authority · #7017921 · Licensed Electrical Contractor

Last seen May 7, 2026

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GROUPE PUITBEC INC

Regulated licence
Well DrillersSaint-Samuel, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7623 · Licensed well contractor CLASS 1, 4

Last seen May 15, 2026

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Mcansh Electric

Regulated licence
ElectriciansSandfield, ON
Electricians

Electrical Safety Authority · #7011428 · Licensed Electrical Contractor

Last seen May 7, 2026

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876782 Ontario Inc

Regulated licence
ElectriciansSarnia, ON
Electricians

Electrical Safety Authority · #7016743 · Licensed Electrical Contractor

Last seen May 7, 2026

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Beralta Construction Ltd

Regulated licence
ElectriciansSarnia, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7013429 · Licensed Electrical Contractor

Last seen May 7, 2026

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Bill Hines

Regulated licence
ElectriciansSarnia, ON
Electricians

Electrical Safety Authority · #7006192 · Licensed Electrical Contractor

Last seen May 7, 2026

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Bliant Inc.

Regulated licence
ElectriciansSarnia, ON
Electricians

Electrical Safety Authority · #7001689 · Licensed Electrical Contractor

Last seen May 7, 2026

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Certified Electric

Regulated licence
ElectriciansSarnia, ON
Electricians

Electrical Safety Authority · #7003435 · Licensed Electrical Contractor

Last seen May 7, 2026

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FERGUSON & JANIK SUPPLY

Regulated licence
Well DrillersSarnia, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7368 · Licensed well contractor CLASS 1, 4

Last seen May 15, 2026

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Insparations

Regulated licence
ElectriciansSarnia, ON
Electricians

Electrical Safety Authority · #7009706 · Licensed Electrical Contractor

Last seen May 7, 2026

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