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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 41 of 457 from the national official-source dataset.

131,786 records loaded

WSN Construction Inc

Regulated licence
ElectriciansCambridge, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7002014 · Licensed Electrical Contractor

Last seen May 7, 2026

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Yong Electrical Ltd

Regulated licence
ElectriciansCambridge, ON
Electricians

Electrical Safety Authority · #7015220 · Licensed Electrical Contractor

Last seen May 7, 2026

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AFW Construction Ltd.

Regulated licence
General ContractorsCamden East, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B48999 · Licensed builder/vendor

Last seen May 15, 2026

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Colin Coppins Electric

Regulated licence
ElectriciansCameron, ON
Electricians

Electrical Safety Authority · #7008196 · Licensed Electrical Contractor

Last seen May 7, 2026

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Southview Mechanical

Regulated licence
ElectriciansCameron, ON
ElectriciansHVAC

Electrical Safety Authority · #7016028 · Licensed Electrical Contractor

Last seen May 7, 2026

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SS Electrical

Regulated licence
ElectriciansCameron, ON
Electricians

Electrical Safety Authority · #7012449 · Licensed Electrical Contractor

Last seen May 7, 2026

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Beacon Electric Inc

Regulated licence
ElectriciansCamlachie, ON
Electricians

Electrical Safety Authority · #7013551 · Licensed Electrical Contractor

Last seen May 7, 2026

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Hillier Electric

Regulated licence
ElectriciansCamlachie, ON
Electricians

Electrical Safety Authority · #7007151 · Licensed Electrical Contractor

Last seen May 7, 2026

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Dale Reid

Regulated licence
ElectriciansCampbellford, ON
Electricians

Electrical Safety Authority · #7015316 · Licensed Electrical Contractor

Last seen May 7, 2026

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Flex Plumbing

Regulated licence
PlumbersCampbellford, ON
PlumbersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8209 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Infinite Electric

Regulated licence
ElectriciansCampbellford, ON
Electricians

Electrical Safety Authority · #7011223 · Licensed Electrical Contractor

Last seen May 7, 2026

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Lord Electric

Regulated licence
ElectriciansCampbellford, ON
Electricians

Electrical Safety Authority · #7011555 · Licensed Electrical Contractor

Last seen May 7, 2026

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Elex Electric Co Ltd

Regulated licence
ElectriciansCampbellville, ON
Electricians

Electrical Safety Authority · #7004417 · Licensed Electrical Contractor

Last seen May 7, 2026

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Installation Plus Inc

Regulated licence
ElectriciansCampbellville, ON
Electricians

Electrical Safety Authority · #7004006 · Licensed Electrical Contractor

Last seen May 7, 2026

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Berman Electric Inc.

Regulated licence
ElectriciansCampden, ON
Electricians

Electrical Safety Authority · #7016194 · Licensed Electrical Contractor

Last seen May 7, 2026

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KJM Services

Regulated licence
ElectriciansCanfield, ON
Electricians

Electrical Safety Authority · #7018669 · Licensed Electrical Contractor

Last seen May 7, 2026

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Thermarc Inc.

Regulated licence
ElectriciansCanfield, ON
Electricians

Electrical Safety Authority · #7015476 · Licensed Electrical Contractor

Last seen May 7, 2026

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Grt Electric

Regulated licence
ElectriciansCannifton, ON
Electricians

Electrical Safety Authority · #7005973 · Licensed Electrical Contractor

Last seen May 7, 2026

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MCGUINNESS WATER SOLUTIONS LTD.

Regulated licence
Well DrillersCannifton, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7269 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Cdr Constuction Inc

Regulated licence
ElectriciansCannington, ON
Electricians

Electrical Safety Authority · #7014912 · Licensed Electrical Contractor

Last seen May 7, 2026

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DC PLUMBING INC

Regulated licence
PlumbersCannington, ON
PlumbersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7704 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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LANOS PLUMBING SERVICES INC.

Regulated licence
PlumbersCannington, ON
PlumbersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #6210 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Marksons Electric Inc.

Regulated licence
ElectriciansCannington, ON
Electricians

Electrical Safety Authority · #7015500 · Licensed Electrical Contractor

Last seen May 7, 2026

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9032-0169 QUEBEC INC O/A PROTECH

Regulated licence
Well DrillersCantley, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7561 · Licensed well contractor CLASS 1, 4

Last seen May 15, 2026

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J L Industries Inc.

Regulated licence
Well DrillersCardiff, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7900 · Licensed well contractor CLASS 1, 3, 4

Last seen May 15, 2026

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AMP Construction

Regulated licence
General ContractorsCarleton Place, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B63860 · Licensed builder/vendor

Last seen May 15, 2026

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Beckwith Electric Ltd

Regulated licence
ElectriciansCarleton Place, ON
Electricians

Electrical Safety Authority · #7013804 · Licensed Electrical Contractor

Last seen May 7, 2026

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Bry Ton Electric Inc

Regulated licence
ElectriciansCarleton Place, ON
Electricians

Electrical Safety Authority · #7000377 · Licensed Electrical Contractor

Last seen May 7, 2026

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