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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 387 of 457 from the national official-source dataset.

131,786 records loaded

VIOLIN CONTRACTING INC.

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #14 279157 · Contractor / Building Repair

Last seen May 15, 2026

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VITULLO PLUMBLING LTD

Municipal licence
General ContractorsHamilton, ON
General ContractorsPlumbers

City of Hamilton · #19 295742 · Contractor / Plumbing

Last seen May 15, 2026

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VOLKER HASCH DESIGN

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #27 000076 · Contractor / Building Repair

Last seen May 15, 2026

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WEIN CONSTRUCTION INC.

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #14 195461 · Contractor / Building Repair

Last seen May 15, 2026

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WENTWORTH PLUMBING

Municipal licence
General ContractorsHamilton, ON
General ContractorsPlumbers

City of Toronto · #T94-4886626 · PLUMBING CONTRACTOR

Last seen May 7, 2026

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WERCON INC.

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #17 293159 · Contractor / Building Repair

Last seen May 15, 2026

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WEST WINDOWS & DOORS LTD.

Municipal licence
General ContractorsHamilton, ON
General ContractorsWindow & Door Contractors

City of Hamilton · #15 288001 · Contractor / Building Repair

Last seen May 15, 2026

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WINDOW GUARD CANADA

Municipal licence
General ContractorsHamilton, ON
General ContractorsWindow & Door Contractors

City of Hamilton · #14 278404 · Contractor / Building Repair

Last seen May 15, 2026

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WINMAR

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #13 155903 · Contractor / Building Repair

Last seen May 15, 2026

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WM GROVES LIMITED

Municipal licence
General ContractorsHamilton, ON
General ContractorsPlumbers

City of Hamilton · #15 116259 · Contractor / Drain Repair

Last seen May 15, 2026

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WRK CONTRACTORS INC

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #17 292365 · Contractor / Building Repair

Last seen May 15, 2026

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YOG CONSTRUCTION INC

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #16 291551 · Contractor / Building Repair

Last seen May 15, 2026

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ZAP-IT DRAINS INC.

Municipal licence
General ContractorsHamilton, ON
General ContractorsPlumbers

City of Hamilton · #15 277492 · Contractor / Drain Repair

Last seen May 15, 2026

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BLACK FOREST PLUMBING

Municipal licence
General ContractorsHolland Landing, ON
General ContractorsPlumbers

City of Toronto · #T94-5226740 · PLUMBING CONTRACTOR

Last seen May 7, 2026

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MERLIN MECHANICAL INC

Municipal licence
General ContractorsHolland Landing, ON
General ContractorsHVACPlumbers

City of Toronto · #T94-5006931 · PLUMBING CONTRACTOR

Last seen May 7, 2026

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DI PROJECTS

Municipal licence
General ContractorsInnisfil, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4291074 · BUILDING RENOVATOR

Last seen May 7, 2026

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DURABLE AND NEGOTIABLE ROOFING

Municipal licence
General ContractorsInnisfil, ON
General ContractorsRenovation ContractorsRoofers

City of Toronto · #T85-3719460 · BUILDING RENOVATOR

Last seen May 7, 2026

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NT PLUMBER INC

Municipal licence
General ContractorsInnisfil, ON
General ContractorsPlumbers

City of Toronto · #T94-4418482 · PLUMBING CONTRACTOR

Last seen May 7, 2026

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RAINBOW SOLUTIONS

Municipal licence
General ContractorsInnisfil, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-5130164 · BUILDING RENOVATOR

Last seen May 7, 2026

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THE BASEMENT GUY WATERPROOFING INC

Municipal licence
Building EnvelopeInnisfil, ON
Building EnvelopeGeneral ContractorsRenovation ContractorsRoofers

City of Toronto · #T85-4934894 · BUILDING RENOVATOR

Last seen May 7, 2026

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DOLMEN GROUP INC

Municipal licence
General ContractorsKeswick, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4714380 · BUILDING RENOVATOR

Last seen May 7, 2026

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AMG MECHANICAL

Municipal licence
General ContractorsKing City, ON
General ContractorsHVACPlumbers

City of Toronto · #T94-5044354 · PLUMBING CONTRACTOR

Last seen May 7, 2026

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BALCAN CONSTRUCTION

Municipal licence
General ContractorsKing City, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4894329 · BUILDING RENOVATOR

Last seen May 7, 2026

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BOSTON ROOFING & ALUMINUM

Municipal licence
General ContractorsKing City, ON
General ContractorsRenovation ContractorsRoofers

City of Toronto · #T85-3833474 · BUILDING RENOVATOR

Last seen May 7, 2026

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DANDOR TRADE

Municipal licence
General ContractorsKing City, ON
General ContractorsHVAC

City of Toronto · #T91-3955969 · HEATING CONTRACTOR

Last seen May 7, 2026

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KING VAUGHAN ROOFING

Municipal licence
General ContractorsKing City, ON
General ContractorsRenovation ContractorsRoofers

City of Toronto · #T85-4422055 · BUILDING RENOVATOR

Last seen May 7, 2026

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PEARL HOMES

Municipal licence
General ContractorsKing City, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4179336 · BUILDING RENOVATOR

Last seen May 7, 2026

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STRONG PLUMBING INC

Municipal licence
General ContractorsKing City, ON
General ContractorsPlumbers

City of Toronto · #T94-4176905 · PLUMBING CONTRACTOR

Last seen May 7, 2026

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C P S PLUMBING & DRAIN INC

Municipal licence
General ContractorsKirkfield, ON
General ContractorsPlumbers

City of Toronto · #T94-4991254 · PLUMBING CONTRACTOR

Last seen May 7, 2026

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ENGLISH HOME IMPROVEMENTS INC

Municipal licence
General ContractorsKirkfield, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4652531 · BUILDING RENOVATOR

Last seen May 7, 2026

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NELCO MECHANICAL LTD

Municipal licence
General ContractorsKitchener, ON
General ContractorsHVACPlumbers

City of Toronto · #T92-5105219 · PLUMBING & HEATING CONTRACTOR

Last seen May 7, 2026

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R & R MECHANICAL GROUP INC

Municipal licence
General ContractorsKitchener, ON
General ContractorsHVACPlumbers

City of Toronto · #T94-5144913 · PLUMBING CONTRACTOR

Last seen May 7, 2026

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ZUNIC MECHANICAL

Municipal licence
General ContractorsKitchener, ON
General ContractorsHVACPlumbers

City of Toronto · #T94-5115113 · PLUMBING CONTRACTOR

Last seen May 7, 2026

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AQUAMEN INC

Municipal licence
General ContractorsKleinburg, ON
General ContractorsPlumbers

City of Toronto · #T94-5105205 · PLUMBING CONTRACTOR

Last seen May 7, 2026

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KOLOSTAT INC

Municipal licence
General ContractorsLaval, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-5145298 · BUILDING RENOVATOR

Last seen May 7, 2026

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LEAC SHIELD LTD

Municipal licence
General ContractorsLondon, ON
General ContractorsPlumbers

City of Toronto · #T94-5045211 · PLUMBING CONTRACTOR

Last seen May 7, 2026

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STREAMLINE RESOURCE GROUP

Municipal licence
General ContractorsLondon, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4646931 · BUILDING RENOVATOR

Last seen May 7, 2026

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MURPHY'S MASONRY

Municipal licence
Concrete MasonryLowbanks, ON
Concrete MasonryGeneral ContractorsRenovation Contractors

City of Toronto · #T85-4918668 · BUILDING RENOVATOR

Last seen May 7, 2026

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1827255 ONTARIO INC

Municipal licence
General ContractorsMaple, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4176836 · BUILDING RENOVATOR

Last seen May 7, 2026

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A A RENOVATIONS

Municipal licence
General ContractorsMaple, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-3841094 · BUILDING RENOVATOR

Last seen May 7, 2026

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APULLA RENOVATIONS

Municipal licence
General ContractorsMaple, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4176741 · BUILDING RENOVATOR

Last seen May 7, 2026

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BESIFY

Municipal licence
General ContractorsMaple, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-5036229 · BUILDING RENOVATOR

Last seen May 7, 2026

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