Ontario Contractors

Search 22,802 official-source contractor records in Ontario. Filter by trade, source type, and direct contact availability.

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Top city pages from the official-source dataset.

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131,786

91,145 with direct contact

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Ontario

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22,802 matching contractors

Showing page 105 of 457 from the national official-source dataset.

131,786 records loaded

Activo Inc

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7007292 · Licensed Electrical Contractor

Last seen May 7, 2026

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9057521900

Advanced Integrate Hvac/Electrical

Regulated licence

ElectriciansMarkham, ON

ElectriciansHVAC

Electrical Safety Authority · #7005921 · Licensed Electrical Contractor

Last seen May 7, 2026

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4164092668

Ajaloo Electrical And Mechanical (Inc)

Regulated licence

ElectriciansMarkham, ON

ElectriciansHVAC

Electrical Safety Authority · #7009676 · Licensed Electrical Contractor

Last seen May 7, 2026

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9055544878

Allpa Electrical Ltd

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7015252 · Licensed Electrical Contractor

Last seen May 7, 2026

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6479266611

Altertek Electrical Services (Dimitrios Charakopoulos)

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7016929 · Licensed Electrical Contractor

Last seen May 7, 2026

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4165744504

Ample Electric Co (The Love Peace Corp)

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7004025 · Licensed Electrical Contractor

Last seen May 7, 2026

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4168593328

Andrew Provolt Electric (5008870 Ontario Incorporated)

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7015522 · Licensed Electrical Contractor

Last seen May 7, 2026

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6476078992

Angelo Contracting Inc

Regulated licence

ElectriciansMarkham, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7009080 · Licensed Electrical Contractor

Last seen May 7, 2026

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4162764128

Annon's Total Renovation Inc

Regulated licence

ElectriciansMarkham, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7005342 · Licensed Electrical Contractor

Last seen May 7, 2026

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4169914519

Argus Lighting & Electric Inc.

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7012961 · Licensed Electrical Contractor

Last seen May 7, 2026

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8009621688

Arise Electrical Inc.

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7014487 · Licensed Electrical Contractor

Last seen May 7, 2026

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6472970767

Aurora Electrical Systems Inc.

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7018526 · Licensed Electrical Contractor

Last seen May 7, 2026

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9057646666

B P Electric Company Inc

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7006837 · Licensed Electrical Contractor

Last seen May 7, 2026

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4169530426

Bada Electric Automation Co Ltd

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7004886 · Licensed Electrical Contractor

Last seen May 7, 2026

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4168244198

Ballantry Homes

Regulated licence

General ContractorsMarkham, ON

General ContractorsResidential Builders

Home Construction Regulatory Authority · #B38857 · Licensed builder/vendor

Last seen May 15, 2026 · 2 source records

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Bastone Electrical Contractors (1680923 Ontario Inc.)

Regulated licence

ElectriciansMarkham, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7015325 · Licensed Electrical Contractor

Last seen May 7, 2026

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4162759813

Best Electric Co (Meena Enterprises Inc)

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7004169 · Licensed Electrical Contractor

Last seen May 7, 2026

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9054152378

Bewise Consulting Inc

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7010601 · Licensed Electrical Contractor

Last seen May 7, 2026

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4163178858

Bl Electrical Group Inc.

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7015337 · Licensed Electrical Contractor

Last seen May 7, 2026

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6478981756

BLVD Build Corp.

Regulated licence

General ContractorsMarkham, ON

General ContractorsResidential Builders

Home Construction Regulatory Authority · #B64838 · Licensed builder/vendor

Last seen May 15, 2026

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Bob Electric (Bob Electrical Services)

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7000825 · Licensed Electrical Contractor

Last seen May 7, 2026

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6478964154

Bond Electrical Inc

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7013681 · Licensed Electrical Contractor

Last seen May 7, 2026

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4163032827

Bos Electric

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7011682 · Licensed Electrical Contractor

Last seen May 7, 2026

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6473337009

Bp Microtech (12865785 Canada Inc)

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7014965 · Licensed Electrical Contractor

Last seen May 7, 2026

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6478896687

Brightcore Inc (Brightcore Electrical)

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7016595 · Licensed Electrical Contractor

Last seen May 7, 2026

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6472672967

Brightpower Electrical Services (1001201173 Ontario Inc.)

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7018230 · Licensed Electrical Contractor

Last seen May 7, 2026

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6475687160

Bronson Electric (1000177924 Ontario Ltd.)

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7015774 · Licensed Electrical Contractor

Last seen May 7, 2026

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9054778641

Brosz Technical Services Inc.

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7015436 · Licensed Electrical Contractor

Last seen May 7, 2026

Call Website View profile

9054726660

Burman And Fellows Group Inc

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7003273 · Licensed Electrical Contractor

Last seen May 7, 2026

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9054721056

Buttonville Electrical Services

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7010052 · Licensed Electrical Contractor

Last seen May 7, 2026

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6472246718

Buxton & Dawe Limited

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7003716 · Licensed Electrical Contractor

Last seen May 7, 2026

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9054772009

C & G Plumbing And Electrical (Service)

Regulated licence

ElectriciansMarkham, ON

ElectriciansPlumbers

Electrical Safety Authority · #7008395 · Licensed Electrical Contractor

Last seen May 7, 2026

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4165768112

C.E. Solution Ltd

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7008548 · Licensed Electrical Contractor

Last seen May 7, 2026

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6478295153

Canton Reliable Construction Inc

Regulated licence

ElectriciansMarkham, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7015035 · Licensed Electrical Contractor

Last seen May 7, 2026

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6478989383

Catech Systems Ltd

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7006384 · Licensed Electrical Contractor

Last seen May 7, 2026

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9059444834

Cell Electrical Inc.

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7013799 · Licensed Electrical Contractor

Last seen May 7, 2026

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4168334133

Centrybuild Group

Regulated licence

General ContractorsMarkham, ON

General ContractorsResidential Builders

Home Construction Regulatory Authority · #B61958 · Licensed builder/vendor

Last seen May 15, 2026

Email Website View profile

Civil Electric Inc

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7014492 · Licensed Electrical Contractor

Last seen May 7, 2026

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4167009474

Clarke Electric (1000526602 Ontario Inc.)

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7017299 · Licensed Electrical Contractor

Last seen May 7, 2026

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4162980087

CN Power Electric Inc.

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7017010 · Licensed Electrical Contractor

Last seen May 7, 2026

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6478349094

COLESTAR ENVIRONMENTAL INC.

Regulated licence

Well DrillersMarkham, ON

Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7431 · Licensed well contractor EXEMPT-CLASS 5

Last seen May 15, 2026

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(647) 938-2653

Colombia Electrical & Mechanical

Regulated licence

ElectriciansMarkham, ON

ElectriciansHVAC

Electrical Safety Authority · #7008115 · Licensed Electrical Contractor

Last seen May 7, 2026

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6478359333

Conterra Group Inc.

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7014737 · Licensed Electrical Contractor

Last seen May 7, 2026

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2268885188

Cornel Electrical

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7012538 · Licensed Electrical Contractor

Last seen May 7, 2026

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6479909331

CVM Electric (1836401 Ontario Inc)

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7008327 · Licensed Electrical Contractor

Last seen May 7, 2026

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4168240821

CVM Electric Ltd.

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7017367 · Licensed Electrical Contractor

Last seen May 7, 2026

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6472719501

D.N.A. Electrical Services

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7007374 · Licensed Electrical Contractor

Last seen May 7, 2026

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9054718417

Da Tech Electric Inc.

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7013841 · Licensed Electrical Contractor

Last seen May 7, 2026

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6478346976

Das Electrical Contractor (Trevor Anthony Hoilett)

Regulated licence

ElectriciansMarkham, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7007862 · Licensed Electrical Contractor

Last seen May 7, 2026

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9052020096

Direct Electric C Inc.

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7006142 · Licensed Electrical Contractor

Last seen May 7, 2026

Call Website View profile

4168904800