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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 131 of 457 from the national official-source dataset.

131,786 records loaded

POWERPROS INC

Regulated licence
ElectriciansNewmarket, ON
Electricians

Electrical Safety Authority · #7018855 · Licensed Electrical Contractor

Last seen May 7, 2026

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Quex Geo/Environmental Drilling

Regulated licence
Well DrillersNewmarket, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8181 · Licensed well contractor CLASS 3

Last seen May 15, 2026

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Raytive Homes Inc.

Regulated licence
General ContractorsNewmarket, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B60472 · Licensed builder/vendor

Last seen May 15, 2026

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Red-Nord Electric

Regulated licence
ElectriciansNewmarket, ON
Electricians

Electrical Safety Authority · #7010596 · Licensed Electrical Contractor

Last seen May 7, 2026

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Say Watt Electric

Regulated licence
ElectriciansNewmarket, ON
Electricians

Electrical Safety Authority · #7016294 · Licensed Electrical Contractor

Last seen May 7, 2026

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Sherwonto Inc.

Regulated licence
ElectriciansNewmarket, ON
Electricians

Electrical Safety Authority · #7017606 · Licensed Electrical Contractor

Last seen May 7, 2026

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Solar Vila Inc

Regulated licence
ElectriciansNewmarket, ON
ElectriciansSolar Installers

Electrical Safety Authority · #7015901 · Licensed Electrical Contractor

Last seen May 7, 2026

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T3 Emr Inc

Regulated licence
ElectriciansNewmarket, ON
Electricians

Electrical Safety Authority · #7010278 · Licensed Electrical Contractor

Last seen May 7, 2026

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Tech Power Inc.

Regulated licence
ElectriciansNewmarket, ON
Electricians

Electrical Safety Authority · #7012951 · Licensed Electrical Contractor

Last seen May 7, 2026

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THE REGIONAL MUNICIPALITY OF YORK

Regulated licence
Well DrillersNewmarket, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7460 · Licensed well contractor Class 1,2,3,4, Exempt Class 5

Last seen May 15, 2026

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Tri-Unite Systems Ltd

Regulated licence
ElectriciansNewmarket, ON
Electricians

Electrical Safety Authority · #7007554 · Licensed Electrical Contractor

Last seen May 7, 2026

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Tripol Electric

Regulated licence
ElectriciansNewmarket, ON
Electricians

Electrical Safety Authority · #7004342 · Licensed Electrical Contractor

Last seen May 7, 2026

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Voltec

Regulated licence
ElectriciansNewmarket, ON
Electricians

Electrical Safety Authority · #7011873 · Licensed Electrical Contractor

Last seen May 7, 2026

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Ycl Electric Ltd

Regulated licence
ElectriciansNewmarket, ON
Electricians

Electrical Safety Authority · #7017510 · Licensed Electrical Contractor

Last seen May 7, 2026

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Campbell Welling Drilling

Regulated licence
Well DrillersNewvurgh, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8142 · Licensed well contractor CLASS 1

Last seen May 15, 2026

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Anello Electric Inc

Regulated licence
ElectriciansNiagara Falls, ON
Electricians

Electrical Safety Authority · #7015156 · Licensed Electrical Contractor

Last seen May 7, 2026

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Barath Electric Inc

Regulated licence
ElectriciansNiagara Falls, ON
Electricians

Electrical Safety Authority · #7014741 · Licensed Electrical Contractor

Last seen May 7, 2026

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Benedetto Campagnaro

Regulated licence
ElectriciansNiagara Falls, ON
Electricians

Electrical Safety Authority · #7015286 · Licensed Electrical Contractor

Last seen May 7, 2026

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Blythwood Homes Inc.

Regulated licence
General ContractorsNiagara Falls, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B36309 · Licensed builder/vendor

Last seen May 15, 2026

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Canadian Way Electric

Regulated licence
ElectriciansNiagara Falls, ON
Electricians

Electrical Safety Authority · #7011872 · Licensed Electrical Contractor

Last seen May 7, 2026

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Comfact Corporation

Regulated licence
ElectriciansNiagara Falls, ON
Electricians

Electrical Safety Authority · #7011491 · Licensed Electrical Contractor

Last seen May 7, 2026

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Divito Electric

Regulated licence
ElectriciansNiagara Falls, ON
Electricians

Electrical Safety Authority · #7003923 · Licensed Electrical Contractor

Last seen May 7, 2026

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Dlb Electric Inc

Regulated licence
ElectriciansNiagara Falls, ON
Electricians

Electrical Safety Authority · #7010625 · Licensed Electrical Contractor

Last seen May 7, 2026

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Es Fox Ltd

Regulated licence
ElectriciansNiagara Falls, ON
Electricians

Electrical Safety Authority · #7002918 · Licensed Electrical Contractor

Last seen May 7, 2026

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