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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 384 of 457 from the national official-source dataset.

131,786 records loaded

PLATINUM ROOFING CORP.

Municipal licence
General ContractorsHamilton, ON
General ContractorsRoofers

City of Hamilton · #19 296507 · Contractor / Building Repair

Last seen May 15, 2026

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PLUMBWAY INC

Municipal licence
General ContractorsHamilton, ON
General ContractorsPlumbers

City of Hamilton · #15 117516 · Contractor / Plumbing

Last seen May 15, 2026

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PLUMBWIZE INC

Municipal licence
General ContractorsHamilton, ON
General ContractorsPlumbers

City of Hamilton · #19 296054 · Contractor / Plumbing

Last seen May 15, 2026

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POST CONTROLLED AIR INC.

Municipal licence
General ContractorsHamilton, ON
General ContractorsHVAC

City of Hamilton · #21 298872 · Contractor / Heating, Ventilation and Air Conditionin

Last seen May 15, 2026

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PRECISION EXTERIORS INC

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #15 285987 · Contractor / Building Repair

Last seen May 15, 2026

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PRECISION PLUMBING

Municipal licence
General ContractorsHamilton, ON
General ContractorsPlumbers

City of Hamilton · #14 275326 · Contractor / Plumbing

Last seen May 15, 2026

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PRESSURE ONE

Municipal licence
General ContractorsHamilton, ON
General ContractorsPlumbersPressure Equipment

City of Hamilton · #14 280339 · Contractor / Drain Repair

Last seen May 15, 2026

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PRESTIGE EXTERIOR RENOVATIONS

Municipal licence
General ContractorsHamilton, ON
General ContractorsRenovation Contractors

City of Hamilton · #27 000242 · Contractor / Building Repair

Last seen May 15, 2026

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PREVOST & SONS

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #16 291307 · Contractor / Building Repair

Last seen May 15, 2026

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PRINCIPAL PLUMBING

Municipal licence
General ContractorsHamilton, ON
General ContractorsPlumbers

City of Hamilton · #15 117456 · Contractor / Plumbing

Last seen May 15, 2026

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PRO DRAIN MEDIC INC.

Municipal licence
General ContractorsHamilton, ON
General ContractorsPlumbers

City of Hamilton · #15 290496 · Contractor / Drain Repair

Last seen May 15, 2026

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PRO ELECTRIC INC.

Municipal licence
ElectriciansHamilton, ON
ElectriciansGeneral ContractorsPlumbers

City of Hamilton · #19 296955 · Contractor / Plumbing

Last seen May 15, 2026

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PRO RESULTS PLUMBING INC

Municipal licence
General ContractorsHamilton, ON
General ContractorsPlumbers

City of Hamilton · #19 297144 · Contractor / Plumbing

Last seen May 15, 2026

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PROCTOR PLUMBING

Municipal licence
General ContractorsHamilton, ON
General ContractorsPlumbers

City of Hamilton · #27 000119 · Contractor / Plumbing

Last seen May 15, 2026

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PROJECT PROFESSIONALS

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #14 279834 · Contractor / Building Repair

Last seen May 15, 2026

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PROTECH INC.

Municipal licence
General ContractorsHamilton, ON
General ContractorsHVAC

City of Hamilton · #15 278176 · Contractor / Heating, Ventilation and Air Conditionin

Last seen May 15, 2026

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Q.E.W. CONTRACTING LTD.

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #14 205873 · Contractor / Building Repair

Last seen May 15, 2026

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QUALITY ECONOMICAL

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #15 287366 · Contractor / Building Repair

Last seen May 15, 2026

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QUALITY SEWERS AND CONCRETE

Municipal licence
Concrete ContractorsHamilton, ON
Concrete ContractorsGeneral ContractorsPlumbers

City of Hamilton · #16 116278 · Contractor / Drain Repair

Last seen May 15, 2026

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QUINN CONSTRUCTION

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #14 284556 · Contractor / Building Repair

Last seen May 15, 2026

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R. WOODWORTH

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #20 297353 · Contractor / Building Repair

Last seen May 15, 2026

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RAINBOW WINDOWS & DOORS LTD

Municipal licence
General ContractorsHamilton, ON
General ContractorsWindow & Door Contractors

City of Hamilton · #15 115478 · Contractor / Building Repair

Last seen May 15, 2026

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RAPID PLUMBING INC.

Municipal licence
General ContractorsHamilton, ON
General ContractorsPlumbers

City of Hamilton · #18 294783 · Contractor / Plumbing

Last seen May 15, 2026

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RDGR INC

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #14 261185 · Contractor / Building Repair

Last seen May 15, 2026

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RED HILL PLUMBING INC

Municipal licence
General ContractorsHamilton, ON
General ContractorsPlumbers

City of Hamilton · #16 290628 · Contractor / Plumbing

Last seen May 15, 2026

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REDWIN CONTRACTING LTD

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #17 293033 · Contractor / Building Repair

Last seen May 15, 2026

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REES PLUMBING & HEATING LTD

Municipal licence
General ContractorsHamilton, ON
General ContractorsHVACPlumbers

City of Hamilton · #14 279169 · Contractor / Heating, Ventilation and Air Conditionin

Last seen May 15, 2026 · 2 source records

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REFRESH RENOVATIONS

Municipal licence
General ContractorsHamilton, ON
General ContractorsRenovation Contractors

City of Hamilton · #15 275533 · Contractor / Building Repair

Last seen May 15, 2026

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RENO-WORKS CONSTRUCTION

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #16 291097 · Contractor / Building Repair

Last seen May 15, 2026

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RENO'ED RITE

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #14 254668 · Contractor / Building Repair

Last seen May 15, 2026

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REVIVE PLUMBING

Municipal licence
General ContractorsHamilton, ON
General ContractorsPlumbers

City of Hamilton · #20 297833 · Contractor / Plumbing

Last seen May 15, 2026

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RISING ONE LTD.

Municipal licence
General ContractorsHamilton, ON
General Contractors

City of Hamilton · #27 000115 · Contractor / Building Repair

Last seen May 15, 2026

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RIVA PLUMBING LTD

Municipal licence
General ContractorsHamilton, ON
General ContractorsPlumbers

City of Hamilton · #16 290544 · Contractor / Plumbing

Last seen May 15, 2026

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