Ontario Contractors

Search 22,802 official-source contractor records in 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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22,802 matching contractors

Showing page 170 of 457 from the national official-source dataset.

131,786 records loaded

Mellon Inc

Regulated licence

ElectriciansSarnia, ON

Electricians

Electrical Safety Authority · #7004572 · Licensed Electrical Contractor

Last seen May 7, 2026

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5193320211

MN Mechanical Inc

Regulated licence

ElectriciansSarnia, ON

ElectriciansHVAC

Electrical Safety Authority · #7017139 · Licensed Electrical Contractor

Last seen May 7, 2026

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5193839922

Nolan Electric (Nolan Electric & Fire Alarm Service)

Regulated licence

ElectriciansSarnia, ON

ElectriciansFire Protection

Electrical Safety Authority · #7004220 · Licensed Electrical Contractor

Last seen May 7, 2026

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5193378081

Ogilvie Electric Inc

Regulated licence

ElectriciansSarnia, ON

Electricians

Electrical Safety Authority · #7004459 · Licensed Electrical Contractor

Last seen May 7, 2026

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5193373231

Paton Engineers And Constructors (Paton Controls Ltd)

Regulated licence

ElectriciansSarnia, ON

Electricians

Electrical Safety Authority · #7012304 · Licensed Electrical Contractor

Last seen May 7, 2026

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5193321717

Preferred Electric Ltd

Regulated licence

ElectriciansSarnia, ON

Electricians

Electrical Safety Authority · #7001787 · Licensed Electrical Contractor

Last seen May 7, 2026

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5193441094

RH Electrical Contracting

Regulated licence

ElectriciansSarnia, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7011480 · Licensed Electrical Contractor

Last seen May 7, 2026

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5194661076

Steeves & Rozema Enterprises (Limited)

Regulated licence

ElectriciansSarnia, ON

Electricians

Electrical Safety Authority · #7010684 · Licensed Electrical Contractor

Last seen May 7, 2026

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5193448829

Tee Jay Instrumentation Services Ltd.

Regulated licence

ElectriciansSarnia, ON

Electricians

Electrical Safety Authority · #7000528 · Licensed Electrical Contractor

Last seen May 7, 2026

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5193328120

The Electric Company

Regulated licence

ElectriciansSarnia, ON

Electricians

Electrical Safety Authority · #7016200 · Licensed Electrical Contractor

Last seen May 7, 2026

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5193848507

Tib Electric (2193458 Ontario Inc.)

Regulated licence

ElectriciansSarnia, ON

Electricians

Electrical Safety Authority · #7010916 · Licensed Electrical Contractor

Last seen May 7, 2026

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5193371336

Timist Fabrications Inc

Regulated licence

ElectriciansSarnia, ON

ElectriciansWelding

Electrical Safety Authority · #7004369 · Licensed Electrical Contractor

Last seen May 7, 2026

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5194904401

W J Barnes Limited

Regulated licence

ElectriciansSarnia, ON

Electricians

Electrical Safety Authority · #7005490 · Licensed Electrical Contractor

Last seen May 7, 2026

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5193321770

G & M Electrical/Mechanical Ltd

Regulated licence

ElectriciansSauble Beach, ON

ElectriciansHVAC

Electrical Safety Authority · #7009640 · Licensed Electrical Contractor

Last seen May 7, 2026

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5193775050

STEVE ROSENBURG CUSTOM PLUMBING

Regulated licence

PlumbersSauble Beach, ON

PlumbersWell Drillers

Ontario Ministry of the Environment, Conservation and Parks · #6291 · Licensed well contractor CLASS 3, 4

Last seen May 15, 2026

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(519) 422-1339

MARLO CONSTRUCTION AND MILLWORK

Regulated licence

ElectriciansSault Sainte Marie, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7018699 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059871386

Short Stop Contracting

Regulated licence

ElectriciansSault Sainte Marie, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7018597 · Licensed Electrical Contractor

Last seen May 7, 2026

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7052552981

X3NERGY Inc. (X Energy)

Regulated licence

ElectriciansSault Sainte Marie, ON

Electricians

Electrical Safety Authority · #7018630 · Licensed Electrical Contractor

Last seen May 7, 2026

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7052556199

1309942 Ontario Inc (Miller Powerline Construction)

Regulated licence

ElectriciansSault Ste Marie, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7001646 · Licensed Electrical Contractor

Last seen May 7, 2026

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7052548921

Alchemy Electricals (1001054784 Ontario Inc.)

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7018192 · Licensed Electrical Contractor

Last seen May 7, 2026

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6475354085

ALL ONTARIO WELL DRILLING & HYDRO-FRAC SERVICE

Regulated licence

Well DrillersSault Ste Marie, ON

Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #7729 · Licensed well contractor CLASS 1, 4

Last seen May 15, 2026

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(705) 575-8088

Celetric Electrical Contracting (Inc.)

Regulated licence

ElectriciansSault Ste Marie, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7018162 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059714218

Cesarin Electric & Alarms (1743595 Ontario Limited)

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7002414 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059436978

Cook Electric And Maintenance

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7017532 · Licensed Electrical Contractor

Last seen May 7, 2026

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7052066043

DT Electrical Contractors Ltd.

Regulated licence

ElectriciansSault Ste Marie, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7000376 · Licensed Electrical Contractor

Last seen May 7, 2026

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7052545673

Guzzo Electrical Contracting (1890744 Ontario Limited)

Regulated licence

ElectriciansSault Ste Marie, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7001884 · Licensed Electrical Contractor

Last seen May 7, 2026

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7054507303

Henderson Metal Fabricating Co Ltd

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7000812 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059497870

Island Electric

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7002106 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059427164

Koala-Ty Electrical & Refrigeration

Regulated licence

ElectriciansSault Ste Marie, ON

ElectriciansHVAC

Electrical Safety Authority · #7005648 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059876343

Luzzi Electric

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7011965 · Licensed Electrical Contractor

Last seen May 7, 2026

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7052575052

Meadus Water Solutions

Regulated licence

Well DrillersSault Ste Marie, ON

Well Drillers

Ontario Ministry of the Environment, Conservation and Parks · #8180 · Licensed well contractor CLASS 4

Last seen May 15, 2026

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(613) 246-1563

Milano Electric

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7018783 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059437552

North Woods Electrical

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7016759 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059896406

Northern Fencing & Contracting Inc.

Regulated licence

ElectriciansSault Ste Marie, ON

ElectriciansFence ContractorsGeneral Contractors

Electrical Safety Authority · #7018276 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059499386

Ontario North Electrical Ltd.

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7018014 · Licensed Electrical Contractor

Last seen May 7, 2026

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7052065013

Permanent Electric (Sault) Incorporated

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7002166 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059497977

Phase IV (Four) Electrical Ltd

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7000464 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059420043

PUC Services Inc

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7001626 · Licensed Electrical Contractor

Last seen May 7, 2026

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7057596552

Red Star Electric Limited

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7004176 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059468788

Rene Huot

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7010762 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059495723

Ryan Palahnuk Powerline (Construction Limited)

Regulated licence

ElectriciansSault Ste Marie, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7001617 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059419782

S & T Electrical Contractors (Limited)

Regulated licence

ElectriciansSault Ste Marie, ON

ElectriciansGeneral Contractors

Electrical Safety Authority · #7002470 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059423043

Senwood Inc

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7012208 · Licensed Electrical Contractor

Last seen May 7, 2026

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7052554434

Soo North Electric Inc

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7017570 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059433040

Sovereign Group Inc

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7010141 · Licensed Electrical Contractor

Last seen May 7, 2026

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7052064901

SSM Fab Electrical Incorporated

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7012306 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059899100

Steel Speed Electrical Inc.

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7013779 · Licensed Electrical Contractor

Last seen May 7, 2026

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7059711401

Steven Baraluk

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7018708 · Licensed Electrical Contractor

Last seen May 7, 2026

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7052578540

Therrien Electric

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7012824 · Licensed Electrical Contractor

Last seen May 7, 2026

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7055411917

Tks Connect Inc.

Regulated licence

ElectriciansSault Ste Marie, ON

Electricians

Electrical Safety Authority · #7016014 · Licensed Electrical Contractor

Last seen May 7, 2026

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6479298769