Waterloo, ON Contractors

Search 110 official-source contractor records in Waterloo, Ontario. Filter by trade, source type, and direct contact availability.

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131,786

91,145 with direct contact

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Ontario

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110 matching contractors

Showing page 1 of 3 from the national official-source dataset.

131,786 records loaded

1000044889 Ontario Inc.

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7015493 · Licensed Electrical Contractor

Last seen May 7, 2026

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5195773382

Ag Enterprises (2508204 Ontario Inc)

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7011412 · Licensed Electrical Contractor

Last seen May 7, 2026

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5196160010

Applied Control Systems Inc

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7006855 · Licensed Electrical Contractor

Last seen May 7, 2026

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5194963018

B And L Electric

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7003756 · Licensed Electrical Contractor

Last seen May 7, 2026

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5196545953

Bigben Hometech

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7011295 · Licensed Electrical Contractor

Last seen May 7, 2026

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5197295360

Brenner Mechanical Inc.

Regulated licence

ElectriciansWaterloo, ON

ElectriciansHVAC

Electrical Safety Authority · #7015041 · Licensed Electrical Contractor

Last seen May 7, 2026

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5197460439

Corrigan Electric (James P Corrigan)

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7017146 · Licensed Electrical Contractor

Last seen May 7, 2026

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5196356407

Delta Air Systems Ltd

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7008954 · Licensed Electrical Contractor

Last seen May 7, 2026

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5198852740

Dubs Electrical Contracting Ltd

Regulated licence

ElectriciansWaterloo, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7014988 · Licensed Electrical Contractor

Last seen May 7, 2026

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5199983123

Eastbridge Electric Ltd

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7003276 · Licensed Electrical Contractor

Last seen May 7, 2026

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5196353782

Edge Electrical Solutions Inc

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7010822 · Licensed Electrical Contractor

Last seen May 7, 2026

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5197473343

Electrilogix

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7018046 · Licensed Electrical Contractor

Last seen May 7, 2026

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5192124377

Emir Electric Inc

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7005075 · Licensed Electrical Contractor

Last seen May 7, 2026

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5198800859

Fritz Electric Inc

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7003035 · Licensed Electrical Contractor

Last seen May 7, 2026

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5195764560

Gary Kraemer Electric Ltd

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7002120 · Licensed Electrical Contractor

Last seen May 7, 2026

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5195004608

GHD LIMITED

Regulated licence

Well DrillersWaterloo, ON

Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7444 · Licensed well contractor Class 3,4,5, Exempt Class 5

Last seen May 15, 2026

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(519) 884-0510

Gosen Electric Limited

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7000003 · Licensed Electrical Contractor

Last seen May 7, 2026

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5198852390

Groundline Electric Inc.

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7018385 · Licensed Electrical Contractor

Last seen May 7, 2026

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2269721041

Harold Stecho Electric Ltd

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7000511 · Licensed Electrical Contractor

Last seen May 7, 2026

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5197460047

Heinz Busse Electric Limited

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7004195 · Licensed Electrical Contractor

Last seen May 7, 2026

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5195742031

I.P. Pro (15129508 Canada Inc.)

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7016913 · Licensed Electrical Contractor

Last seen May 7, 2026

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2269292250

J.G. Construction

Regulated licence

ElectriciansWaterloo, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7014064 · Licensed Electrical Contractor

Last seen May 7, 2026

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5195024254

Jade Electric Inc

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7002085 · Licensed Electrical Contractor

Last seen May 7, 2026

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5195910033

Jade Logic Building Tech Inc

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7004893 · Licensed Electrical Contractor

Last seen May 7, 2026

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5196202312

JIM WILSON WELL DRILLING LTD.

Regulated licence

Well DrillersWaterloo, ON

Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7385 · Licensed well contractor CLASS 1

Last seen May 15, 2026

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(519) 648-2412

Kinetic Electric Limited

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7002845 · Licensed Electrical Contractor

Last seen May 7, 2026

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5195772578

Knowhoworks Incorporated

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7017358 · Licensed Electrical Contractor

Last seen May 7, 2026

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6479753893

Lsr Electrical

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7005719 · Licensed Electrical Contractor

Last seen May 7, 2026

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5196353319

LT Weber Electric Inc

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7008797 · Licensed Electrical Contractor

Last seen May 7, 2026

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5199542775

Lue'S Electric Services Inc

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7009197 · Licensed Electrical Contractor

Last seen May 7, 2026

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5194984495

Mark Tonellato Electric

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7007764 · Licensed Electrical Contractor

Last seen May 7, 2026

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2263390075

Menno S. Martin Contractor Limited

Regulated licence

ElectriciansWaterloo, ON

ElectriciansGeneral ContractorsResidential Builders

Electrical Safety Authority · #7010561 · Licensed Electrical Contractor

Last seen May 15, 2026 · 2 source records

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5196642245

Mks Electric

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7009307 · Licensed Electrical Contractor

Last seen May 7, 2026

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5196160103

Moontower Electric

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7016588 · Licensed Electrical Contractor

Last seen May 7, 2026

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5195027681

Nadj Electrical Services Ltd

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7017308 · Licensed Electrical Contractor

Last seen May 7, 2026

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5198290152

New Homes Inc

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7016338 · Licensed Electrical Contractor

Last seen May 7, 2026

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2263398928

North Group Electric Inc

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7008503 · Licensed Electrical Contractor

Last seen May 7, 2026

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5196356451

Ohms Electrical And Controls (Solutions)

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7016206 · Licensed Electrical Contractor

Last seen May 7, 2026

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2262202965

Paul Reitzel Industrial

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7001521 · Licensed Electrical Contractor

Last seen May 7, 2026

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5198977744

Power Play Electric Inc.

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7010273 · Licensed Electrical Contractor

Last seen May 7, 2026

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2262200968

Premier Electrical Solutions

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7008565 · Licensed Electrical Contractor

Last seen May 7, 2026

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5195750084

Prime Automation Inc

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7014355 · Licensed Electrical Contractor

Last seen May 7, 2026

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5196730070

Rts Homes Ltd

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7000385 · Licensed Electrical Contractor

Last seen May 7, 2026

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5199989284

Rush Wind Electric

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7015329 · Licensed Electrical Contractor

Last seen May 7, 2026

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5488832555

Russell Electric Inc

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7006607 · Licensed Electrical Contractor

Last seen May 7, 2026

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5196353452

Sine Electrical Services Ltd

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7014572 · Licensed Electrical Contractor

Last seen May 7, 2026

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5192216194

STANTEC CONSULTING LTD.

Regulated licence

Well DrillersWaterloo, ON

Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #6905 · Licensed well contractor EXEMPT-CLASS 5

Last seen May 15, 2026

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(519) 585-7378

Stecksoft Systems Inc.

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7006944 · Licensed Electrical Contractor

Last seen May 7, 2026

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5198860148

Traverse Electric Inc

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7014931 · Licensed Electrical Contractor

Last seen May 7, 2026

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2269895717

VMC Electric Ltd

Regulated licence

ElectriciansWaterloo, ON

Electricians

Electrical Safety Authority · #7016326 · Licensed Electrical Contractor

Last seen May 7, 2026

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5197296195