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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 38 of 457 from the national official-source dataset.

131,786 records loaded

Scouser & Son'S Inc

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7017529 · Licensed Electrical Contractor

Last seen May 7, 2026

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Single Pull Inc.

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7012412 · Licensed Electrical Contractor

Last seen May 7, 2026

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T R Mccoy Electric

Regulated licence
ElectriciansCaledon, ON
Electricians

Electrical Safety Authority · #7001161 · Licensed Electrical Contractor

Last seen May 7, 2026

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Wallace's Contracting Inc.

Regulated licence
ElectriciansCaledon, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7015489 · Licensed Electrical Contractor

Last seen May 7, 2026

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Canadian Sparky Ltd.

Regulated licence
ElectriciansCaledon East, ON
Electricians

Electrical Safety Authority · #7015922 · Licensed Electrical Contractor

Last seen May 7, 2026

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Dan Hjelholt

Regulated licence
ElectriciansCaledon East, ON
Electricians

Electrical Safety Authority · #7008133 · Licensed Electrical Contractor

Last seen May 7, 2026

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Langen Electric Ltd

Regulated licence
ElectriciansCaledon East, ON
Electricians

Electrical Safety Authority · #7000904 · Licensed Electrical Contractor

Last seen May 7, 2026

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Wayne D Rhind Electric

Regulated licence
ElectriciansCaledon East, ON
Electricians

Electrical Safety Authority · #7002408 · Licensed Electrical Contractor

Last seen May 7, 2026

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Wells Energy Inc

Regulated licence
ElectriciansCaledon East, ON
Electricians

Electrical Safety Authority · #7006798 · Licensed Electrical Contractor

Last seen May 7, 2026

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Eggink Homes Inc.

Regulated licence
General ContractorsCaledonia, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B11079 · Licensed builder/vendor

Last seen May 15, 2026

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GHA Electrical

Regulated licence
ElectriciansCaledonia, ON
Electricians

Electrical Safety Authority · #7013315 · Licensed Electrical Contractor

Last seen May 7, 2026

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Jeff Leyland Plumbing

Regulated licence
PlumbersCaledonia, ON
PlumbersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8148 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Oaks Contracting

Regulated licence
ElectriciansCaledonia, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7008035 · Licensed Electrical Contractor

Last seen May 7, 2026

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R & K Systems Ltd

Regulated licence
ElectriciansCaledonia, ON
Electricians

Electrical Safety Authority · #7002856 · Licensed Electrical Contractor

Last seen May 7, 2026

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Southbank Services

Regulated licence
ElectriciansCaledonia, ON
Electricians

Electrical Safety Authority · #7017142 · Licensed Electrical Contractor

Last seen May 7, 2026

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Sonic Edge Drilling Corp.

Regulated licence
Well DrillersCalgary, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8206 · Licensed well contractor CLASS 1

Last seen May 15, 2026

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Legend Electric

Regulated licence
ElectriciansCallander, ON
Electricians

Electrical Safety Authority · #7017756 · Licensed Electrical Contractor

Last seen May 7, 2026

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1000841912 Ontario Ltd

Regulated licence
ElectriciansCambridge, ON
Electricians

Electrical Safety Authority · #7017603 · Licensed Electrical Contractor

Last seen May 7, 2026

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3L2R Inc

Regulated licence
ElectriciansCambridge, ON
Electricians

Electrical Safety Authority · #7009839 · Licensed Electrical Contractor

Last seen May 7, 2026

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Above Code Electric

Regulated licence
ElectriciansCambridge, ON
Electricians

Electrical Safety Authority · #7017806 · Licensed Electrical Contractor

Last seen May 7, 2026

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ADVANCE PUMP AND TANK LTD.

Regulated licence
Well DrillersCambridge, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #6776 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Aecon Industrial

Regulated licence
ElectriciansCambridge, ON
Electricians

Electrical Safety Authority · #7002974 · Licensed Electrical Contractor

Last seen May 7, 2026

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Alpha Omega Innovations

Regulated licence
ElectriciansCambridge, ON
Electricians

Electrical Safety Authority · #7017639 · Licensed Electrical Contractor

Last seen May 7, 2026

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