Markham, ON Contractors

Search 574 official-source contractor records in Markham, Ontario. Filter by trade, source type, and direct contact availability.

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574 matching contractors

Showing page 1 of 12 from the national official-source dataset.

131,786 records loaded

12389371 Canada Ltd.

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7014986 · Licensed Electrical Contractor

Last seen May 7, 2026

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6479076657

14281365 Canada Inc

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7016056 · Licensed Electrical Contractor

Last seen May 7, 2026

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6476869900

2673229 ONTARIO INC. O/A KING EPCM

Regulated licence

Well DrillersMarkham, ON

Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7691 · Licensed well contractor EXEMPT-CLASS 5

Last seen May 15, 2026

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(416) 342-3001

3LKR Electrical Inc

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7010594 · Licensed Electrical Contractor

Last seen May 7, 2026

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4165600578

786 Contracting Inc

Regulated licence

ElectriciansMarkham, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7012218 · Licensed Electrical Contractor

Last seen May 7, 2026

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4165587434

8839956 Canada Corporation

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7010299 · Licensed Electrical Contractor

Last seen May 7, 2026

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6478287972

A-D Electric

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7004016 · Licensed Electrical Contractor

Last seen May 7, 2026

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6478913765

Ac Dc Electrical Tech Inc

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7010248 · Licensed Electrical Contractor

Last seen May 7, 2026

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4166666484

Acd Electric & Plumbing Ltd

Regulated licence

ElectriciansMarkham, ON

ElectriciansPlumbers

Electrical Safety Authority · #7013895 · Licensed Electrical Contractor

Last seen May 7, 2026

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4167329666

Ack Electric Service (10574392 Canada Inc)

Regulated licence

ElectriciansMarkham, ON

Electricians

Electrical Safety Authority · #7013313 · Licensed Electrical Contractor

Last seen May 7, 2026

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6479738833

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

Regulated licence

General ContractorsMarkham, ON

General ContractorsResidential Builders

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

Last seen May 15, 2026

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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

Call Website View profile

6478349094