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Ontario Contractors

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

22,802 matching contractors

Showing page 4 of 457 from the national official-source dataset.

131,786 records loaded

Kerrzy Electrical Ltd

Regulated licence
ElectriciansAlliston, ON
Electricians

Electrical Safety Authority · #7011421 · Licensed Electrical Contractor

Last seen May 7, 2026

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NV Electric Inc

Regulated licence
ElectriciansAlliston, ON
Electricians

Electrical Safety Authority · #7016926 · Licensed Electrical Contractor

Last seen May 7, 2026

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Ogr Electric

Regulated licence
ElectriciansAlliston, ON
Electricians

Electrical Safety Authority · #7015091 · Licensed Electrical Contractor

Last seen May 7, 2026

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Ose Electric Inc

Regulated licence
ElectriciansAlliston, ON
Electricians

Electrical Safety Authority · #7017710 · Licensed Electrical Contractor

Last seen May 7, 2026

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PHD Plumbing Inc.

Regulated licence
PlumbersAlliston, ON
PlumbersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8124 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Previn Court Homes

Regulated licence
General ContractorsAlliston, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B6677 · Licensed builder/vendor

Last seen May 15, 2026

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Radiant Electricals Inc.

Regulated licence
ElectriciansAlliston, ON
ElectriciansHVAC

Electrical Safety Authority · #7018666 · Licensed Electrical Contractor

Last seen May 7, 2026

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Stiebel Maintenance Inc

Regulated licence
ElectriciansAlliston, ON
Electricians

Electrical Safety Authority · #7014065 · Licensed Electrical Contractor

Last seen May 7, 2026

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YYZ Electric Inc.

Regulated licence
ElectriciansAlliston, ON
Electricians

Electrical Safety Authority · #7017348 · Licensed Electrical Contractor

Last seen May 7, 2026

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MARTIN WELL DRILLING INC

Regulated licence
Well DrillersAlma, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7557 · Licensed well contractor CLASS 1,2,3,4

Last seen May 15, 2026

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Post Structures

Regulated licence
General ContractorsAlma, ON
General ContractorsResidential Builders

Home Construction Regulatory Authority · #B64133 · Licensed builder/vendor

Last seen May 15, 2026

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Ae Solutions

Regulated licence
ElectriciansAlmonte, ON
Electricians

Electrical Safety Authority · #7007345 · Licensed Electrical Contractor

Last seen May 7, 2026

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Almonte Electric

Regulated licence
ElectriciansAlmonte, ON
Electricians

Electrical Safety Authority · #7000772 · Licensed Electrical Contractor

Last seen May 7, 2026

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Mill Town Electric

Regulated licence
ElectriciansAlmonte, ON
Electricians

Electrical Safety Authority · #7018693 · Licensed Electrical Contractor

Last seen May 7, 2026

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Mooretek Electric Inc

Regulated licence
ElectriciansAlmonte, ON
Electricians

Electrical Safety Authority · #7015095 · Licensed Electrical Contractor

Last seen May 7, 2026

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OGS INCORPORATED

Regulated licence
Well DrillersAlmonte, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #6964 · Licensed well contractor CLASS 3

Last seen May 15, 2026

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Paxton Electric Inc.

Regulated licence
ElectriciansAlmonte, ON
Electricians

Electrical Safety Authority · #7017914 · Licensed Electrical Contractor

Last seen May 7, 2026

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Portt Electric Ltd

Regulated licence
ElectriciansAlmonte, ON
Electricians

Electrical Safety Authority · #7000380 · Licensed Electrical Contractor

Last seen May 7, 2026

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SMR Electric Inc

Regulated licence
ElectriciansAlmonte, ON
Electricians

Electrical Safety Authority · #7005306 · Licensed Electrical Contractor

Last seen May 7, 2026

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Chalupka Electric

Regulated licence
ElectriciansAlvinston, ON
Electricians

Electrical Safety Authority · #7004272 · Licensed Electrical Contractor

Last seen May 7, 2026

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Jrs Electric

Regulated licence
ElectriciansAlvinston, ON
Electricians

Electrical Safety Authority · #7014932 · Licensed Electrical Contractor

Last seen May 7, 2026

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Roberts Power Control

Regulated licence
ElectriciansAlvinston, ON
Electricians

Electrical Safety Authority · #7001429 · Licensed Electrical Contractor

Last seen May 7, 2026

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Don Black Electric Ltd

Regulated licence
ElectriciansAmaranth, ON
Electricians

Electrical Safety Authority · #7003033 · Licensed Electrical Contractor

Last seen May 7, 2026

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RMS Electric

Regulated licence
ElectriciansAmaranth, ON
Electricians

Electrical Safety Authority · #7008263 · Licensed Electrical Contractor

Last seen May 7, 2026

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Ross Lennox Enterprises

Regulated licence
ElectriciansAmaranth, ON
Electricians

Electrical Safety Authority · #7000206 · Licensed Electrical Contractor

Last seen May 7, 2026

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Tanco Group Ltd

Regulated licence
ElectriciansAmaranth, ON
Electricians

Electrical Safety Authority · #7011949 · Licensed Electrical Contractor

Last seen May 7, 2026

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DSB Electric

Regulated licence
ElectriciansAmherstburg, ON
Electricians

Electrical Safety Authority · #7005288 · Licensed Electrical Contractor

Last seen May 7, 2026

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