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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 416 of 457 from the national official-source dataset.

131,786 records loaded

DEVEREAUX, DANIEL

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4426660 · BUILDING RENOVATOR

Last seen May 7, 2026

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DF MECHANICAL LTD.

Municipal licence
HVACToronto, ON
HVACPlumbers

City of Toronto · #T95-0222355 · MASTER PLUMBER

Last seen May 7, 2026 · 2 source records

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DHILLON, DARU JULIA

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-5030652 · BUILDING RENOVATOR

Last seen May 7, 2026

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DI CARLO, JOHN P

Municipal licence
PlumbersToronto, ON
Plumbers

City of Toronto · #T95-4738130 · MASTER PLUMBER

Last seen May 7, 2026

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DI GENNARO, GIUSEPPE

Municipal licence
HVACToronto, ON
HVACPlumbers

City of Toronto · #T95-5235822 · MASTER PLUMBER

Last seen May 7, 2026 · 2 source records

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DI MANNO, MARIO

Municipal licence
PlumbersToronto, ON
Plumbers

City of Toronto · #T95-0231599 · MASTER PLUMBER

Last seen May 7, 2026

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DI STEFANO, PIETRO

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4293199 · BUILDING RENOVATOR

Last seen May 7, 2026

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DIAMOND ROOFING

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation ContractorsRoofers

City of Toronto · #T85-4067761 · BUILDING RENOVATOR

Last seen May 7, 2026

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DICIO, MICHAEL J

Municipal licence
PlumbersToronto, ON
Plumbers

City of Toronto · #T95-3473694 · MASTER PLUMBER

Last seen May 7, 2026

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DIGAETANO, VINCENT

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbers

City of Toronto · #T94-0006729 · PLUMBING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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DILEO, MICHELE

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-0007550 · BUILDING RENOVATOR

Last seen May 7, 2026

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DIMA PLUMBING

Municipal licence
PlumbersToronto, ON
Plumbers

City of Toronto · #T95-4542710 · MASTER PLUMBER

Last seen May 7, 2026

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DIRECT CONSTRUCTION CO

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-3082244 · BUILDING RENOVATOR

Last seen May 7, 2026

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DIRECT PLUMBING

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbers

City of Toronto · #T94-3595825 · PLUMBING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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DIVERSATECH MECHANICAL

Municipal licence
HVACToronto, ON
HVACPlumbers

City of Toronto · #T95-4064374 · MASTER PLUMBER

Last seen May 7, 2026 · 2 source records

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DIVERSIFIED SHEET METAL

Municipal licence
General ContractorsToronto, ON
General ContractorsHVAC

City of Toronto · #T91-0000306 · HEATING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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DJTM

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbers

City of Toronto · #T87-3958971 · DRAIN CONTRACTOR

Last seen May 7, 2026

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DL LETHAM CONSTRUCTION

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-3954095 · BUILDING RENOVATOR

Last seen May 7, 2026

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DM PLUMBING & DRAIN SERVICE

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbers

City of Toronto · #T94-4315453 · PLUMBING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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DOCTOR PIPES INC

Municipal licence
PlumbersToronto, ON
Plumbers

City of Toronto · #T95-0230045 · MASTER PLUMBER

Last seen May 7, 2026

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DOERFLER, DESIREE

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-0236149 · BUILDING RENOVATOR

Last seen May 7, 2026

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DOHERTY CONSTRUCTION & DESIGN

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4073466 · BUILDING RENOVATOR

Last seen May 7, 2026

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DOLVIN MECHANICAL CONTRACTORS

Municipal licence
General ContractorsToronto, ON
General ContractorsHVACPlumbers

City of Toronto · #T94-4310616 · PLUMBING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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DOMAC MECHANICAL INC

Municipal licence
General ContractorsToronto, ON
General ContractorsHVACPlumbers

City of Toronto · #T94-0220562 · PLUMBING CONTRACTOR

Last seen May 7, 2026 · 2 source records

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DOMAR GROUP INC

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbersRenovation Contractors

City of Toronto · #T85-4908270 · BUILDING RENOVATOR

Last seen May 7, 2026 · 3 source records

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DOMLYN ALUMINUM CONTRACTING

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-0243069 · BUILDING RENOVATOR

Last seen May 7, 2026

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DON MILLS ROOFING LTD

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation ContractorsRoofers

City of Toronto · #T85-3837006 · BUILDING RENOVATOR

Last seen May 7, 2026

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DONALD CONTRACTING LTD

Municipal licence
General ContractorsToronto, ON
General ContractorsPlumbers

City of Toronto · #T87-4714905 · DRAIN CONTRACTOR

Last seen May 7, 2026 · 2 source records

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DONG PHUONG ROOFING

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation ContractorsRoofers

City of Toronto · #T85-0076712 · BUILDING RENOVATOR

Last seen May 7, 2026

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DONTEE CONSTRUCTION

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4750093 · BUILDING RENOVATOR

Last seen May 7, 2026

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DOS-SANTOS, GABRIEL

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-0101940 · BUILDING RENOVATOR

Last seen May 7, 2026

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DOTO RENOVATION

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4842690 · BUILDING RENOVATOR

Last seen May 7, 2026

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DOUGLAS REID RENOVATIONS

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-4427441 · BUILDING RENOVATOR

Last seen May 7, 2026

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DOURANI, YASHAR

Municipal licence
PlumbersToronto, ON
Plumbers

City of Toronto · #T95-5208701 · MASTER PLUMBER

Last seen May 7, 2026

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DOWNEY MITCHELL DESIGN/BUILD

Municipal licence
General ContractorsToronto, ON
General ContractorsRenovation Contractors

City of Toronto · #T85-3958795 · BUILDING RENOVATOR

Last seen May 7, 2026

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