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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 145 of 457 from the national official-source dataset.

131,786 records loaded

Ark Electric

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7006259 · Licensed Electrical Contractor

Last seen May 7, 2026

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BCJ Electric Ltd

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7010660 · Licensed Electrical Contractor

Last seen May 7, 2026

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Bingham Controls Ltd

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7013930 · Licensed Electrical Contractor

Last seen May 7, 2026

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Blufox Electrical Inc

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7015449 · Licensed Electrical Contractor

Last seen May 7, 2026

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Call The Plumbing Doctor Inc.

Regulated licence
PlumbersOshawa, ON
PlumbersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8100 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Czrtech Ltd.

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7018667 · Licensed Electrical Contractor

Last seen May 7, 2026

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Del Plus Electric

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7012839 · Licensed Electrical Contractor

Last seen May 7, 2026

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Doyles Electric

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7006364 · Licensed Electrical Contractor

Last seen May 7, 2026

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Electricom Systems Ltd

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7005992 · Licensed Electrical Contractor

Last seen May 7, 2026

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EMC2 Electric Inc.

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7017259 · Licensed Electrical Contractor

Last seen May 7, 2026

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Fed Electrical

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7015724 · Licensed Electrical Contractor

Last seen May 7, 2026

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Gk Electric

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7014848 · Licensed Electrical Contractor

Last seen May 7, 2026

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Goodwin Electric

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7004116 · Licensed Electrical Contractor

Last seen May 7, 2026

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Gray Electric Inc.

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7013786 · Licensed Electrical Contractor

Last seen May 7, 2026

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Holland Homes Inc.

Regulated licence
General ContractorsOshawa, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B44335 · Licensed builder/vendor

Last seen May 15, 2026

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In-Line Electric Inc

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7010023 · Licensed Electrical Contractor

Last seen May 7, 2026

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J F Electric Ltd

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7003699 · Licensed Electrical Contractor

Last seen May 7, 2026

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JDCS Construction

Regulated licence
ElectriciansOshawa, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7016179 · Licensed Electrical Contractor

Last seen May 7, 2026

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Kile Contracting Inc

Regulated licence
ElectriciansOshawa, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7001717 · Licensed Electrical Contractor

Last seen May 7, 2026

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Kiya Developments Ltd.

Regulated licence
General ContractorsOshawa, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B37818 · Licensed builder/vendor

Last seen May 15, 2026

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Kv Bear Electrical Inc

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7014730 · Licensed Electrical Contractor

Last seen May 7, 2026

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Lead Electric

Regulated licence
ElectriciansOshawa, ON
Electricians

Electrical Safety Authority · #7015392 · Licensed Electrical Contractor

Last seen May 7, 2026

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Line Electrical Contracting

Regulated licence
ElectriciansOshawa, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7012626 · Licensed Electrical Contractor

Last seen May 7, 2026

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LOTT WELL CLEANING

Regulated licence
CleanersOshawa, ON
CleanersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7415 · Licensed well contractor CLASS 3

Last seen May 15, 2026

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