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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 182 of 457 from the national official-source dataset.

131,786 records loaded

Reenergized Electric Inc

Regulated licence
ElectriciansSt Thomas, ON
Electricians

Electrical Safety Authority · #7016825 · Licensed Electrical Contractor

Last seen May 7, 2026

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Remko Electric Inc.

Regulated licence
ElectriciansSt Thomas, ON
Electricians

Electrical Safety Authority · #7015936 · Licensed Electrical Contractor

Last seen May 7, 2026

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Rob Brown Electric

Regulated licence
ElectriciansSt Thomas, ON
Electricians

Electrical Safety Authority · #7015510 · Licensed Electrical Contractor

Last seen May 7, 2026

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Shawn Tuff

Regulated licence
ElectriciansSt Thomas, ON
Electricians

Electrical Safety Authority · #7007929 · Licensed Electrical Contractor

Last seen May 7, 2026

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SS Electric

Regulated licence
ElectriciansSt Thomas, ON
Electricians

Electrical Safety Authority · #7009155 · Licensed Electrical Contractor

Last seen May 7, 2026

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Waite Bros Electric Ltd

Regulated licence
ElectriciansSt Thomas, ON
Electricians

Electrical Safety Authority · #7002512 · Licensed Electrical Contractor

Last seen May 7, 2026

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Carolina Electric

Regulated licence
ElectriciansSt Williams, ON
Electricians

Electrical Safety Authority · #7000968 · Licensed Electrical Contractor

Last seen May 7, 2026

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CARTER PLUMBING & PUMPS INC.

Regulated licence
PlumbersSt. Agatha, ON
PlumbersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7544 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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RAYMOND PUMPS AND WELLS

Regulated licence
Well DrillersSt. Albert, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7260 · Licensed well contractor CLASS 1, 2, 3, 4

Last seen May 15, 2026

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OAKHILL ENVIRONMENTAL INC.

Regulated licence
Well DrillersSt. Catharines, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7117 · Licensed well contractor CLASS 3

Last seen May 15, 2026

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Terra-Dynamics Inc.

Regulated licence
Well DrillersSt. Catharines, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8199 · Licensed well contractor Class 5, Exempt Class 5

Last seen May 15, 2026

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CMT DRILLING INC.

Regulated licence
Well DrillersSt. Clements, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7366 · Licensed well contractor CLASS 3, EXEMPT CLASS5

Last seen May 15, 2026

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Tilstra Plumbing-Perth Inc.

Regulated licence
PlumbersSt. Pauls, ON
PlumbersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7895 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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STENGEL PUMPS & WELL DRILLING

Regulated licence
Well DrillersSt. Williams, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #6808 · Licensed well contractor CLASS 1, 4

Last seen May 15, 2026

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SD HOPPER DRILLING

Regulated licence
Well DrillersSt.Marys, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7643 · Licensed well contractor CLASS 1, 4

Last seen May 15, 2026

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High Line Electric Ltd

Regulated licence
ElectriciansStayner, ON
Electricians

Electrical Safety Authority · #7018213 · Licensed Electrical Contractor

Last seen May 7, 2026

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Montgomery Electric

Regulated licence
ElectriciansStayner, ON
Electricians

Electrical Safety Authority · #7008062 · Licensed Electrical Contractor

Last seen May 7, 2026

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R Bennoit Electric Inc.

Regulated licence
ElectriciansStayner, ON
Electricians

Electrical Safety Authority · #7015086 · Licensed Electrical Contractor

Last seen May 7, 2026

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STAYNER WATER SERVICES LIMITED

Regulated licence
Well DrillersStayner, ON
Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7834 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Bj S Contracting Inc

Regulated licence
ElectriciansStevensville, ON
ElectriciansGeneral Contractors

Electrical Safety Authority · #7006976 · Licensed Electrical Contractor

Last seen May 7, 2026

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Omni Electric Inc.

Regulated licence
ElectriciansStevensville, ON
Electricians

Electrical Safety Authority · #7007113 · Licensed Electrical Contractor

Last seen May 7, 2026

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2616323 Ontario Ltd

Regulated licence
ElectriciansStirling, ON
Electricians

Electrical Safety Authority · #7017444 · Licensed Electrical Contractor

Last seen May 7, 2026

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Karmac Plumbing Solutions

Regulated licence
PlumbersStirling, ON
PlumbersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8197 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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Phillips Electrical

Regulated licence
ElectriciansStirling, ON
Electricians

Electrical Safety Authority · #7017392 · Licensed Electrical Contractor

Last seen May 7, 2026

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