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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 57 of 457 from the national official-source dataset.

131,786 records loaded

Rice And Sons Inc

Regulated licence
ElectriciansElginburg, ON
Electricians

Electrical Safety Authority · #7016073 · Licensed Electrical Contractor

Last seen May 7, 2026

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Ken Dawson Electric

Regulated licence
ElectriciansElizabethtown, ON
Electricians

Electrical Safety Authority · #7000108 · Licensed Electrical Contractor

Last seen May 7, 2026

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Earl Horst Systems Ltd

Regulated licence
ElectriciansElmira, ON
Electricians

Electrical Safety Authority · #7009497 · Licensed Electrical Contractor

Last seen May 7, 2026

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Emerald Homes Ltd.

Regulated licence
General ContractorsElmira, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B13534 · Licensed builder/vendor

Last seen May 15, 2026

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Estate Builders Inc.

Regulated licence
General ContractorsElmira, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B63727 · Licensed builder/vendor

Last seen May 15, 2026

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MARTIN'S WATER SYSTEMS LTD.

Regulated licence
Well DrillersElmira, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #6231 · Licensed well contractor CLASS 2, 4

Last seen May 15, 2026

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PUMPS PLUS LTD.

Regulated licence
Well DrillersElmira, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7764 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Slj Electric Ltd

Regulated licence
ElectriciansElmira, ON
Electricians

Electrical Safety Authority · #7008582 · Licensed Electrical Contractor

Last seen May 7, 2026

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Soehner Electric Inc

Regulated licence
ElectriciansElmira, ON
Electricians

Electrical Safety Authority · #7001014 · Licensed Electrical Contractor

Last seen May 7, 2026

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Ziegler Electric Ltd

Regulated licence
ElectriciansElmira, ON
Electricians

Electrical Safety Authority · #7000976 · Licensed Electrical Contractor

Last seen May 7, 2026

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CANADIAN WELL SERVICES

Regulated licence
Well DrillersElmvale, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7750 · Licensed well contractor CLASS 1, 4

Last seen May 15, 2026

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Coram's Electric Inc

Regulated licence
ElectriciansElmvale, ON
Electricians

Electrical Safety Authority · #7004042 · Licensed Electrical Contractor

Last seen May 7, 2026

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DC Controls

Regulated licence
ElectriciansElmvale, ON
Electricians

Electrical Safety Authority · #7009453 · Licensed Electrical Contractor

Last seen May 7, 2026

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Smr Electrical Services

Regulated licence
ElectriciansElmvale, ON
Electricians

Electrical Safety Authority · #7014850 · Licensed Electrical Contractor

Last seen May 7, 2026

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Three Seasons Electric

Regulated licence
ElectriciansElmvale, ON
Electricians

Electrical Safety Authority · #7005908 · Licensed Electrical Contractor

Last seen May 7, 2026

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Hastie Electric

Regulated licence
ElectriciansElmwood, ON
Electricians

Electrical Safety Authority · #7018172 · Licensed Electrical Contractor

Last seen May 7, 2026

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Acd Power Inc.

Regulated licence
ElectriciansElora, ON
Electricians

Electrical Safety Authority · #7017818 · Licensed Electrical Contractor

Last seen May 7, 2026

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C.K. Electric

Regulated licence
ElectriciansElora, ON
Electricians

Electrical Safety Authority · #7012351 · Licensed Electrical Contractor

Last seen May 7, 2026

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Connected Ge

Regulated licence
ElectriciansElora, ON
Electricians

Electrical Safety Authority · #7013394 · Licensed Electrical Contractor

Last seen May 7, 2026

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McQueen Electric Inc

Regulated licence
ElectriciansElora, ON
Electricians

Electrical Safety Authority · #7017383 · Licensed Electrical Contractor

Last seen May 7, 2026

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P & S Electric Inc

Regulated licence
ElectriciansElora, ON
Electricians

Electrical Safety Authority · #7000790 · Licensed Electrical Contractor

Last seen May 7, 2026

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