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.

National index

131,786

91,145 with direct contact

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Ontario

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22,802 matching contractors

Showing page 217 of 457 from the national official-source dataset.

131,786 records loaded

Next Gen Water Filtration

Regulated licence

Well DrillersWaubaushene, ON

Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8200 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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(705) 345-1093

Niemi Electric

Regulated licence

ElectriciansWaubaushene, ON

Electricians

Electrical Safety Authority · #7018728 · Licensed Electrical Contractor

Last seen May 7, 2026

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9058061589

Phase 3 Electric Inc.

Regulated licence

ElectriciansWaubaushene, ON

Electricians

Electrical Safety Authority · #7014980 · Licensed Electrical Contractor

Last seen May 7, 2026

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7057182527

River Electric Ltd

Regulated licence

ElectriciansWaubaushene, ON

Electricians

Electrical Safety Authority · #7007925 · Licensed Electrical Contractor

Last seen May 7, 2026

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7057963516

Brown Bros. Electric Ltd.

Regulated licence

ElectriciansWawa, ON

Electricians

Electrical Safety Authority · #7012908 · Licensed Electrical Contractor

Last seen May 7, 2026

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7058521383

Eighty-Five Electric

Regulated licence

ElectriciansWawa, ON

Electricians

Electrical Safety Authority · #7003514 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059716890

M And M Innovative Services

Regulated licence

ElectriciansWawa, ON

Electricians

Electrical Safety Authority · #7011507 · Licensed Electrical Contractor

Last seen May 7, 2026

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9058029361

Dans Electric Espanola Ltd

Regulated licence

ElectriciansWebbwood, ON

Electricians

Electrical Safety Authority · #7005104 · Licensed Electrical Contractor

Last seen May 7, 2026

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7058693858

A Tech (1254347 Ontario Limited)

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7002851 · Licensed Electrical Contractor

Last seen May 7, 2026

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2892138881

A.F. Electric

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7014731 · Licensed Electrical Contractor

Last seen May 7, 2026

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9059414630

Akw Electrical

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7016086 · Licensed Electrical Contractor

Last seen May 7, 2026

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9059338006

Call Us Electric

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7004990 · Licensed Electrical Contractor

Last seen May 7, 2026

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9059322255

Chrgelectrical Ltd

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7016571 · Licensed Electrical Contractor

Last seen May 7, 2026

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9054018259

Darmel Contracting Ltd

Regulated licence

ElectriciansWelland, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7012459 · Licensed Electrical Contractor

Last seen May 7, 2026

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9053216298

Datawise Solutions Inc

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7007481 · Licensed Electrical Contractor

Last seen May 7, 2026

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9053233843

Dh Electric

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7017391 · Licensed Electrical Contractor

Last seen May 7, 2026

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2898230355

Elecon Services Inc

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7015607 · Licensed Electrical Contractor

Last seen May 7, 2026

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9053278524

Eric Gas Electric

Regulated licence

ElectriciansWelland, ON

ElectriciansGas Fitters

Electrical Safety Authority · #7010314 · Licensed Electrical Contractor

Last seen May 7, 2026

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9057356088

Esn Electrical Solutions Niagara Inc

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7006353 · Licensed Electrical Contractor

Last seen May 7, 2026

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9056513940

First Class Electrical Services Inc.

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7017286 · Licensed Electrical Contractor

Last seen May 7, 2026

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9053470141

Graham Electric

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7003917 · Licensed Electrical Contractor

Last seen May 7, 2026

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2894074136

Industrial Service Company 2008

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7012463 · Licensed Electrical Contractor

Last seen May 7, 2026

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9056580165

J.N.G. Electric

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7007084 · Licensed Electrical Contractor

Last seen May 7, 2026

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9057369473

M And W Electric (2858917 Ontario Inc)

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7015176 · Licensed Electrical Contractor

Last seen May 7, 2026

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2896901461

M M Electrical Services

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7007162 · Licensed Electrical Contractor

Last seen May 7, 2026

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9057347207

Mario'S Electric Limited

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7000572 · Licensed Electrical Contractor

Last seen May 7, 2026

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9057351294

Maxmoon Electricals Inc.

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7016885 · Licensed Electrical Contractor

Last seen May 7, 2026

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4164544095

Monarch Electric & Lighting

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7016606 · Licensed Electrical Contractor

Last seen May 7, 2026

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9056852313

Mt Electric Inc

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7010430 · Licensed Electrical Contractor

Last seen May 7, 2026

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9056502475

Nas Electrical Services Inc

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7005764 · Licensed Electrical Contractor

Last seen May 7, 2026

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9059809178

OS Electric (O.S. Niagara Power Systems Inc)

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7000156 · Licensed Electrical Contractor

Last seen May 7, 2026

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9052283055

Peninsula Electric (1198838 Ontario Limited)

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7004917 · Licensed Electrical Contractor

Last seen May 7, 2026

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9057889050

Pihach Electric

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7017425 · Licensed Electrical Contractor

Last seen May 7, 2026

Call Website View profile

9053807102

Powered Electric Niagara (1001213993 Ontario Inc.)

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7018217 · Licensed Electrical Contractor

Last seen May 7, 2026

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9053278591

Procon Constructors Inc

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7002487 · Licensed Electrical Contractor

Last seen May 7, 2026

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9057320322

Rosemore Electric Inc.

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7015828 · Licensed Electrical Contractor

Last seen May 7, 2026

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9053292589

W. Thorne Electric

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7016444 · Licensed Electrical Contractor

Last seen May 7, 2026

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2896874803

Welland Hydro Electric System Corp

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7003332 · Licensed Electrical Contractor

Last seen May 7, 2026

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9057321381x233

Zavarella Electric Inc (Lino Zavarella)

Regulated licence

ElectriciansWelland, ON

Electricians

Electrical Safety Authority · #7000708 · Licensed Electrical Contractor

Last seen May 7, 2026

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9057353751

Cornell Feenstra Electric

Regulated licence

ElectriciansWelland Port, ON

Electricians

Electrical Safety Authority · #7002473 · Licensed Electrical Contractor

Last seen May 7, 2026

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9058992373

ARJAN & JOHANNA DUNNINK O/A DUNNINK'S MOBILE PUMP SERVICE

Regulated licence

Well DrillersWellandport, ON

Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7216 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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(905) 386-6345

Cjv Electric

Regulated licence

ElectriciansWellandport, ON

Electricians

Electrical Safety Authority · #7014602 · Licensed Electrical Contractor

Last seen May 7, 2026

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9053860603

Martech Industrial Inc

Regulated licence

ElectriciansWellandport, ON

Electricians

Electrical Safety Authority · #7006204 · Licensed Electrical Contractor

Last seen May 7, 2026

Call Website View profile

9057320637

R B Group (R B Group Inc.)

Regulated licence

ElectriciansWellanport, ON

Electricians

Electrical Safety Authority · #7015738 · Licensed Electrical Contractor

Last seen May 7, 2026

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2898230990

Doering Electric Inc

Regulated licence

ElectriciansWellesley, ON

Electricians

Electrical Safety Authority · #7014681 · Licensed Electrical Contractor

Last seen May 7, 2026

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5197292508

Electramax

Regulated licence

ElectriciansWellesley, ON

Electricians

Electrical Safety Authority · #7005277 · Licensed Electrical Contractor

Last seen May 7, 2026

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5192768559

Hd Electric

Regulated licence

ElectriciansWellesley, ON

Electricians

Electrical Safety Authority · #7001392 · Licensed Electrical Contractor

Last seen May 7, 2026

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5196351625

Jet Electric Inc.

Regulated licence

ElectriciansWellesley, ON

Electricians

Electrical Safety Authority · #7014532 · Licensed Electrical Contractor

Last seen May 7, 2026

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5194040566

Lebold Electric Inc

Regulated licence

ElectriciansWellesley, ON

Electricians

Electrical Safety Authority · #7013138 · Licensed Electrical Contractor

Last seen May 7, 2026

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5193015596

Poole Electric Ltd

Regulated licence

ElectriciansWellesley, ON

Electricians

Electrical Safety Authority · #7000298 · Licensed Electrical Contractor

Last seen May 7, 2026

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5196562909