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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 113 of 457 from the national official-source dataset.

131,786 records loaded

COOPER & SONS PLUMBING

Regulated licence
PlumbersMindemoya, ON
PlumbersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #6162 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Parkinson Electric Ltd

Regulated licence
ElectriciansMindemoya, ON
Electricians

Electrical Safety Authority · #7004627 · Licensed Electrical Contractor

Last seen May 7, 2026

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13884929 Canada Inc.

Regulated licence
Well DrillersMinden, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8129 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Above Board Carpentry

Regulated licence
General ContractorsMinden, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B64011 · Licensed builder/vendor

Last seen May 15, 2026

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Buckley Electric

Regulated licence
ElectriciansMinden, ON
Electricians

Electrical Safety Authority · #7000397 · Licensed Electrical Contractor

Last seen May 7, 2026

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Cp Power

Regulated licence
ElectriciansMinden, ON
Electricians

Electrical Safety Authority · #7009250 · Licensed Electrical Contractor

Last seen May 7, 2026

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Dan B Electric

Regulated licence
ElectriciansMinden, ON
Electricians

Electrical Safety Authority · #7009985 · Licensed Electrical Contractor

Last seen May 7, 2026

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Daniel E Electric

Regulated licence
ElectriciansMinden, ON
Electricians

Electrical Safety Authority · #7001173 · Licensed Electrical Contractor

Last seen May 7, 2026

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Haliburton Homes & Electric Inc.

Regulated licence
ElectriciansMinden, ON
ElectriciansGeneral ContractorsResidential Builders

Electrical Safety Authority · #7017307 · Licensed Electrical Contractor

Last seen May 15, 2026 · 2 source records

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Lnc Electric

Regulated licence
ElectriciansMinden, ON
Electricians

Electrical Safety Authority · #7017458 · Licensed Electrical Contractor

Last seen May 7, 2026

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Lowes Electric

Regulated licence
ElectriciansMinden, ON
Electricians

Electrical Safety Authority · #7012595 · Licensed Electrical Contractor

Last seen May 7, 2026

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Macklin Electric

Regulated licence
ElectriciansMinden, ON
Electricians

Electrical Safety Authority · #7014177 · Licensed Electrical Contractor

Last seen May 7, 2026

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Pro Plumbers & Pumps

Regulated licence
PlumbersMinden, ON
PlumbersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8245 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Bowman Electric

Regulated licence
ElectriciansMinesing, ON
Electricians

Electrical Safety Authority · #7012917 · Licensed Electrical Contractor

Last seen May 7, 2026

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C. Morrow Electric Inc

Regulated licence
ElectriciansMinesing, ON
Electricians

Electrical Safety Authority · #7015182 · Licensed Electrical Contractor

Last seen May 7, 2026

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MJK Electric Inc

Regulated licence
ElectriciansMinesing, ON
Electricians

Electrical Safety Authority · #7005330 · Licensed Electrical Contractor

Last seen May 7, 2026

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SIMCOE PUMP & WELL DRILLING INC.

Regulated licence
Well DrillersMinesing, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7222 · Licensed well contractor CLASS 1, 4

Last seen May 15, 2026

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Vespra Electric Inc

Regulated licence
ElectriciansMinesing, ON
Electricians

Electrical Safety Authority · #7001038 · Licensed Electrical Contractor

Last seen May 7, 2026

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1001245614 Ontario Inc

Regulated licence
ElectriciansMississauga, ON
Electricians

Electrical Safety Authority · #7018283 · Licensed Electrical Contractor

Last seen May 7, 2026

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11051768 Canada Inc

Regulated licence
ElectriciansMississauga, ON
Electricians

Electrical Safety Authority · #7013495 · Licensed Electrical Contractor

Last seen May 7, 2026

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1409898 Ontario Inc

Regulated licence
ElectriciansMississauga, ON
Electricians

Electrical Safety Authority · #7005965 · Licensed Electrical Contractor

Last seen May 7, 2026

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2 B Wired Inc

Regulated licence
ElectriciansMississauga, ON
Electricians

Electrical Safety Authority · #7010146 · Licensed Electrical Contractor

Last seen May 7, 2026

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2453160 Ontario Ltd.

Regulated licence
ElectriciansMississauga, ON
Electricians

Electrical Safety Authority · #7016151 · Licensed Electrical Contractor

Last seen May 7, 2026

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2809648 Ontario Inc.

Regulated licence
ElectriciansMississauga, ON
Electricians

Electrical Safety Authority · #7014764 · Licensed Electrical Contractor

Last seen May 7, 2026

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4 S Energy Electric Inc.

Regulated licence
ElectriciansMississauga, ON
Electricians

Electrical Safety Authority · #7011573 · Licensed Electrical Contractor

Last seen May 7, 2026

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9768963 Canada Inc.

Regulated licence
ElectriciansMississauga, ON
Electricians

Electrical Safety Authority · #7011608 · Licensed Electrical Contractor

Last seen May 7, 2026

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