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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 37 of 457 from the national official-source dataset.

131,786 records loaded

GEORGE H. LAW & SON LTD.

Regulated licence
Well DrillersCalabogie, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #3323 · Licensed well contractor CLASS 1, 4

Last seen May 15, 2026

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OTG Construction

Regulated licence
General ContractorsCalabogie, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B46840 · Licensed builder/vendor

Last seen May 15, 2026

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2404832 Ontario Inc.

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7014668 · Licensed Electrical Contractor

Last seen May 7, 2026

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A.L. Electric

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7008449 · Licensed Electrical Contractor

Last seen May 7, 2026

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Aintree Electric Co Ltd

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7003007 · Licensed Electrical Contractor

Last seen May 7, 2026

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Ank Electric Inc.

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7010434 · Licensed Electrical Contractor

Last seen May 7, 2026

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AYF Electrical Inc

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7014612 · Licensed Electrical Contractor

Last seen May 7, 2026

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Da Costa Electric

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7007148 · Licensed Electrical Contractor

Last seen May 7, 2026

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Dalassi Electrical Inc

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7017350 · Licensed Electrical Contractor

Last seen May 7, 2026

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Dreamwire Electric Inc

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7014652 · Licensed Electrical Contractor

Last seen May 7, 2026

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GIP Construction Engineering Corp.

Regulated licence
General ContractorsCaledon, ON
General ContractorsWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8130 · Licensed well contractor CLASS 3

Last seen May 15, 2026

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Gmax Electric

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7012689 · Licensed Electrical Contractor

Last seen May 7, 2026

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Hb Constructs Ltd

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7016208 · Licensed Electrical Contractor

Last seen May 7, 2026

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Highpoint Electric Inc.

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7016652 · Licensed Electrical Contractor

Last seen May 7, 2026

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Hogg Electric Ltd

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7018506 · Licensed Electrical Contractor

Last seen May 7, 2026

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Infinity Electric Inc

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7014523 · Licensed Electrical Contractor

Last seen May 7, 2026

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Kahm Electric Inc.

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7017225 · Licensed Electrical Contractor

Last seen May 7, 2026

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Lombar Construction Inc

Regulated licence
ElectriciansCaledon, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7010919 · Licensed Electrical Contractor

Last seen May 7, 2026

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Lunar Electrical Inc

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7018649 · Licensed Electrical Contractor

Last seen May 7, 2026

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Molitech Electric Inc

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7013981 · Licensed Electrical Contractor

Last seen May 7, 2026

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Nanak Electrical Ltd

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7013868 · Licensed Electrical Contractor

Last seen May 7, 2026

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New 5 Electrical Inc

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7010148 · Licensed Electrical Contractor

Last seen May 7, 2026

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Olkamar Electric Inc

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7000253 · Licensed Electrical Contractor

Last seen May 7, 2026

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P & D Utility Inc.

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7017339 · Licensed Electrical Contractor

Last seen May 7, 2026

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Pace Electrical Inc.

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7018773 · Licensed Electrical Contractor

Last seen May 7, 2026

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Powerworx Electric Inc

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7004477 · Licensed Electrical Contractor

Last seen May 7, 2026

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Rego Electric

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7014305 · Licensed Electrical Contractor

Last seen May 7, 2026

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