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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 97 of 457 from the national official-source dataset.

131,786 records loaded

Arrow Drilling Inc.

Regulated licence
Well DrillersLondon, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8060 · Licensed well contractor NO CLASS

Last seen May 15, 2026

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Atg-Electrical Services

Regulated licence
ElectriciansLondon, ON
Electricians

Electrical Safety Authority · #7017408 · Licensed Electrical Contractor

Last seen May 7, 2026

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BIRCHWOOD HOMES

Regulated licence
General ContractorsLondon, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B30889 · Licensed builder/vendor

Last seen May 15, 2026

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Bos Innovations Inc

Regulated licence
ElectriciansLondon, ON
Electricians

Electrical Safety Authority · #7013856 · Licensed Electrical Contractor

Last seen May 7, 2026

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Bridlewood Homes

Regulated licence
General ContractorsLondon, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B21892 · Licensed builder/vendor

Last seen May 15, 2026

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Castell Homes

Regulated licence
General ContractorsLondon, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B39505 · Licensed builder/vendor

Last seen May 15, 2026

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CDI Contracting Inc

Regulated licence
ElectriciansLondon, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7004283 · Licensed Electrical Contractor

Last seen May 7, 2026

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Cgm Electric

Regulated licence
ElectriciansLondon, ON
Electricians

Electrical Safety Authority · #7008351 · Licensed Electrical Contractor

Last seen May 7, 2026

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Clayfield Builders

Regulated licence
General ContractorsLondon, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B47899 · Licensed builder/vendor

Last seen May 15, 2026

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Core Builders

Regulated licence
General ContractorsLondon, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B33230 · Licensed builder/vendor

Last seen May 15, 2026

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Costa Electric

Regulated licence
ElectriciansLondon, ON
Electricians

Electrical Safety Authority · #7015911 · Licensed Electrical Contractor

Last seen May 7, 2026

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Crown Homes of London

Regulated licence
General ContractorsLondon, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B14642 · Licensed builder/vendor

Last seen May 15, 2026 · 2 source records

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Dahab Homes Inc.

Regulated licence
General ContractorsLondon, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B60532 · Licensed builder/vendor

Last seen May 15, 2026

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Dc Electric

Regulated licence
ElectriciansLondon, ON
Electricians

Electrical Safety Authority · #7007982 · Licensed Electrical Contractor

Last seen May 7, 2026

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Devi Electric Inc

Regulated licence
ElectriciansLondon, ON
Electricians

Electrical Safety Authority · #7012687 · Licensed Electrical Contractor

Last seen May 7, 2026

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Doral Electric Inc

Regulated licence
ElectriciansLondon, ON
Electricians

Electrical Safety Authority · #7012128 · Licensed Electrical Contractor

Last seen May 7, 2026

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Drew's Electric

Regulated licence
ElectriciansLondon, ON
Electricians

Electrical Safety Authority · #7018717 · Licensed Electrical Contractor

Last seen May 7, 2026

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Drewlo Holdings Inc.

Regulated licence
General ContractorsLondon, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B14969 · Licensed builder/vendor

Last seen May 15, 2026

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Duo Building Limited

Regulated licence
General ContractorsLondon, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B43585 · Licensed builder/vendor

Last seen May 15, 2026

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ENVIROCORE DRILLING INC.

Regulated licence
Well DrillersLondon, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7747 · Licensed well contractor CLASS 3

Last seen May 15, 2026

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