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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 125 of 457 from the national official-source dataset.

131,786 records loaded

Electrikon

Regulated licence
ElectriciansMount Albert, ON
Electricians

Electrical Safety Authority · #7017686 · Licensed Electrical Contractor

Last seen May 7, 2026

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Ev-Tek Electric Inc

Regulated licence
ElectriciansMount Albert, ON
Electricians

Electrical Safety Authority · #7016544 · Licensed Electrical Contractor

Last seen May 7, 2026

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Happy Volts Inc.

Regulated licence
ElectriciansMount Albert, ON
Electricians

Electrical Safety Authority · #7014430 · Licensed Electrical Contractor

Last seen May 7, 2026

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Lees Electric Inc

Regulated licence
ElectriciansMount Albert, ON
Electricians

Electrical Safety Authority · #7016817 · Licensed Electrical Contractor

Last seen May 7, 2026

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Mainprize Electric Inc.

Regulated licence
ElectriciansMount Albert, ON
Electricians

Electrical Safety Authority · #7017644 · Licensed Electrical Contractor

Last seen May 7, 2026

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Mercury Electric

Regulated licence
ElectriciansMount Albert, ON
Electricians

Electrical Safety Authority · #7002750 · Licensed Electrical Contractor

Last seen May 7, 2026

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PONTIL DRILLING SERVICES INC

Regulated licence
Well DrillersMount Albert, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7644 · Licensed well contractor CLASS 1, 2, 3

Last seen May 15, 2026

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Smit Electric Inc

Regulated licence
ElectriciansMount Albert, ON
Electricians

Electrical Safety Authority · #7016196 · Licensed Electrical Contractor

Last seen May 7, 2026

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E23 Electric Inc.

Regulated licence
ElectriciansMount Brydges, ON
Electricians

Electrical Safety Authority · #7018304 · Licensed Electrical Contractor

Last seen May 7, 2026

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Sandiparks Electrical Inc

Regulated licence
ElectriciansMount Brydges, ON
Electricians

Electrical Safety Authority · #7014502 · Licensed Electrical Contractor

Last seen May 7, 2026

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Waring Electric Ltd

Regulated licence
ElectriciansMount Brydges, ON
Electricians

Electrical Safety Authority · #7013170 · Licensed Electrical Contractor

Last seen May 7, 2026

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Willow Electric

Regulated licence
ElectriciansMount Brydges, ON
Electricians

Electrical Safety Authority · #7017572 · Licensed Electrical Contractor

Last seen May 7, 2026

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Joe Maloney Electric

Regulated licence
ElectriciansMount Elgin, ON
Electricians

Electrical Safety Authority · #7002130 · Licensed Electrical Contractor

Last seen May 7, 2026

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BARKWELL WATER SERVICE

Regulated licence
Well DrillersMount Forest, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7650 · Licensed well contractor CLASS 1, 4

Last seen May 15, 2026

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Coltage Electric Inc.

Regulated licence
ElectriciansMount Forest, ON
Electricians

Electrical Safety Authority · #7018095 · Licensed Electrical Contractor

Last seen May 7, 2026

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DARROCH PLUMBING LTD.

Regulated licence
PlumbersMount Forest, ON
PlumbersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #6576 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Dingwall Electric (2018)

Regulated licence
ElectriciansMount Forest, ON
Electricians

Electrical Safety Authority · #7013403 · Licensed Electrical Contractor

Last seen May 7, 2026

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J.D. Allen Contracting

Regulated licence
ElectriciansMount Forest, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7018045 · Licensed Electrical Contractor

Last seen May 7, 2026

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Ken Burke Electric

Regulated licence
ElectriciansMount Forest, ON
Electricians

Electrical Safety Authority · #7002973 · Licensed Electrical Contractor

Last seen May 7, 2026

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Wilson Developments

Regulated licence
General ContractorsMount Forest, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B46794 · Licensed builder/vendor

Last seen May 15, 2026

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Wilson Electric Inc.

Regulated licence
ElectriciansMount Forest, ON
Electricians

Electrical Safety Authority · #7017370 · Licensed Electrical Contractor

Last seen May 7, 2026

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Wilson Plumbing Service Inc.

Regulated licence
PlumbersMount Forest, ON
PlumbersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8224 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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