Canada
Browse

ON

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 72 of 457 from the national official-source dataset.

131,786 records loaded

Galaxy Fine Homes

Regulated licence
General ContractorsGuelph, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B46973 · Licensed builder/vendor

Last seen May 15, 2026

EmailWebsiteView profile

GenCorp Homes Inc.

Regulated licence
General ContractorsGuelph, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B60326 · Licensed builder/vendor

Last seen May 15, 2026

EmailWebsiteView profile

George'S Electric Ltd

Regulated licence
ElectriciansGuelph, ON
Electricians

Electrical Safety Authority · #7005391 · Licensed Electrical Contractor

Last seen May 7, 2026

CallView profile

Granite Homes Guelph Inc.

Regulated licence
General ContractorsGuelph, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B45636 · Licensed builder/vendor

Last seen May 15, 2026

WebsiteView profile

Guelph Solar Mechanical Inc

Regulated licence
ElectriciansGuelph, ON
ElectriciansHVACSolar Installers

Electrical Safety Authority · #7013540 · Licensed Electrical Contractor

Last seen May 7, 2026

CallView profile

H3 Electrical

Regulated licence
ElectriciansGuelph, ON
Electricians

Electrical Safety Authority · #7018829 · Licensed Electrical Contractor

Last seen May 7, 2026

CallWebsiteView profile

Havelock Homes Inc.

Regulated licence
General ContractorsGuelph, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B44304 · Licensed builder/vendor

Last seen May 15, 2026

EmailWebsiteView profile

Honest Home Maintenance

Regulated licence
ElectriciansGuelph, ON
Electricians

Electrical Safety Authority · #7015071 · Licensed Electrical Contractor

Last seen May 7, 2026

CallView profile

Humble Electric

Regulated licence
ElectriciansGuelph, ON
Electricians

Electrical Safety Authority · #7009191 · Licensed Electrical Contractor

Last seen May 7, 2026

CallView profile

Impulse Electric

Regulated licence
ElectriciansGuelph, ON
Electricians

Electrical Safety Authority · #7009103 · Licensed Electrical Contractor

Last seen May 7, 2026

CallView profile

INSITU CONTRACTORS INC.

Regulated licence
General ContractorsGuelph, ON
General ContractorsWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #6875 · Licensed well contractor CLASS 1, 2, 3, 4, 5

Last seen May 15, 2026

CallWebsiteView profile

Kendrick Limited

Regulated licence
ElectriciansGuelph, ON
Electricians

Electrical Safety Authority · #7004159 · Licensed Electrical Contractor

Last seen May 7, 2026

CallView profile

Kingmen Electric

Regulated licence
ElectriciansGuelph, ON
Electricians

Electrical Safety Authority · #7015079 · Licensed Electrical Contractor

Last seen May 7, 2026

CallWebsiteView profile

LANGILLE WATER SERVICES

Regulated licence
Well DrillersGuelph, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7523 · Licensed well contractor CLASS 1, 4

Last seen May 15, 2026

CallView profile

Lodder Brothers Limited

Regulated licence
Well DrillersGuelph, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8213 · Licensed well contractor CLASS 4

Last seen May 15, 2026

CallView profile

Lumitron Lighting

Regulated licence
ElectriciansGuelph, ON
Electricians

Electrical Safety Authority · #7015165 · Licensed Electrical Contractor

Last seen May 7, 2026

CallView profile

M2 Contractors

Regulated licence
General ContractorsGuelph, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B60009 · Licensed builder/vendor

Last seen May 15, 2026

EmailWebsiteView profile

NXT Level Home Inc

Regulated licence
ElectriciansGuelph, ON
Electricians

Electrical Safety Authority · #7017118 · Licensed Electrical Contractor

Last seen May 7, 2026

CallView profile

Petrin Electric Inc

Regulated licence
ElectriciansGuelph, ON
Electricians

Electrical Safety Authority · #7012345 · Licensed Electrical Contractor

Last seen May 7, 2026

CallView profile

PNR Railworks Inc

Regulated licence
ElectriciansGuelph, ON
Electricians

Electrical Safety Authority · #7016357 · Licensed Electrical Contractor

Last seen May 7, 2026

CallView profile

R1 Electric

Regulated licence
ElectriciansGuelph, ON
Electricians

Electrical Safety Authority · #7017573 · Licensed Electrical Contractor

Last seen May 7, 2026

CallView profile

Royal City Electric Ltd

Regulated licence
ElectriciansGuelph, ON
Electricians

Electrical Safety Authority · #7003900 · Licensed Electrical Contractor

Last seen May 7, 2026

CallView profile

RWDI AIR INC.

Regulated licence
Well DrillersGuelph, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7792 · Licensed well contractor Class 3,5, Exempt Class 5

Last seen May 15, 2026

CallView profile

Ryte Inc.

Regulated licence
ElectriciansGuelph, ON
Electricians

Electrical Safety Authority · #7017266 · Licensed Electrical Contractor

Last seen May 7, 2026

CallView profile