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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 216 of 457 from the national official-source dataset.

131,786 records loaded

Eastbridge Electric Ltd

Regulated licence
ElectriciansWaterloo, ON
Electricians

Electrical Safety Authority · #7003276 · Licensed Electrical Contractor

Last seen May 7, 2026

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Electrilogix

Regulated licence
ElectriciansWaterloo, ON
Electricians

Electrical Safety Authority · #7018046 · Licensed Electrical Contractor

Last seen May 7, 2026

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Emir Electric Inc

Regulated licence
ElectriciansWaterloo, ON
Electricians

Electrical Safety Authority · #7005075 · Licensed Electrical Contractor

Last seen May 7, 2026

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Fritz Electric Inc

Regulated licence
ElectriciansWaterloo, ON
Electricians

Electrical Safety Authority · #7003035 · Licensed Electrical Contractor

Last seen May 7, 2026

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GHD LIMITED

Regulated licence
Well DrillersWaterloo, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7444 · Licensed well contractor Class 3,4,5, Exempt Class 5

Last seen May 15, 2026

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J.G. Construction

Regulated licence
ElectriciansWaterloo, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7014064 · Licensed Electrical Contractor

Last seen May 7, 2026

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Jade Electric Inc

Regulated licence
ElectriciansWaterloo, ON
Electricians

Electrical Safety Authority · #7002085 · Licensed Electrical Contractor

Last seen May 7, 2026

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Lsr Electrical

Regulated licence
ElectriciansWaterloo, ON
Electricians

Electrical Safety Authority · #7005719 · Licensed Electrical Contractor

Last seen May 7, 2026

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Mark Tonellato Electric

Regulated licence
ElectriciansWaterloo, ON
Electricians

Electrical Safety Authority · #7007764 · Licensed Electrical Contractor

Last seen May 7, 2026

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Mks Electric

Regulated licence
ElectriciansWaterloo, ON
Electricians

Electrical Safety Authority · #7009307 · Licensed Electrical Contractor

Last seen May 7, 2026

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Moontower Electric

Regulated licence
ElectriciansWaterloo, ON
Electricians

Electrical Safety Authority · #7016588 · Licensed Electrical Contractor

Last seen May 7, 2026

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New Homes Inc

Regulated licence
ElectriciansWaterloo, ON
Electricians

Electrical Safety Authority · #7016338 · Licensed Electrical Contractor

Last seen May 7, 2026

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Paul Reitzel Industrial

Regulated licence
ElectriciansWaterloo, ON
Electricians

Electrical Safety Authority · #7001521 · Licensed Electrical Contractor

Last seen May 7, 2026

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Rts Homes Ltd

Regulated licence
ElectriciansWaterloo, ON
Electricians

Electrical Safety Authority · #7000385 · Licensed Electrical Contractor

Last seen May 7, 2026

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Russell Electric Inc

Regulated licence
ElectriciansWaterloo, ON
Electricians

Electrical Safety Authority · #7006607 · Licensed Electrical Contractor

Last seen May 7, 2026

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STANTEC CONSULTING LTD.

Regulated licence
Well DrillersWaterloo, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #6905 · Licensed well contractor EXEMPT-CLASS 5

Last seen May 15, 2026

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Traverse Electric Inc

Regulated licence
ElectriciansWaterloo, ON
Electricians

Electrical Safety Authority · #7014931 · Licensed Electrical Contractor

Last seen May 7, 2026

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VMC Electric Ltd

Regulated licence
ElectriciansWaterloo, ON
Electricians

Electrical Safety Authority · #7016326 · Licensed Electrical Contractor

Last seen May 7, 2026

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Wattpro Electrical Inc.

Regulated licence
ElectriciansWaterloo, ON
Electricians

Electrical Safety Authority · #7018324 · Licensed Electrical Contractor

Last seen May 7, 2026

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Jeff Szmiett Electric

Regulated licence
ElectriciansWatford, ON
Electricians

Electrical Safety Authority · #7001731 · Licensed Electrical Contractor

Last seen May 7, 2026

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Ron Lamoureux Electric

Regulated licence
ElectriciansWatford, ON
Electricians

Electrical Safety Authority · #7004210 · Licensed Electrical Contractor

Last seen May 7, 2026

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