Ontario Contractors

Search 22,802 official-source contractor records in Ontario. Filter by trade, source type, and direct contact availability.

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22,802 matching contractors

Showing page 363 of 457 from the national official-source dataset.

131,786 records loaded

JENTRY CONSTRUCTION

Municipal licence

General ContractorsMississauga, ON

General ContractorsPlumbers

City of Mississauga · #Contractor - Drain Contractor:JENTRY CONSTRUCTION:9058516440 · Contractor - Drain Contractor

Last seen May 7, 2026

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9058516440

JENTRY CONSTRUCTION

Municipal licence

General ContractorsMississauga, ON

General ContractorsPlumbers

City of Mississauga · #Trades Master - Drain Layer:JENTRY CONSTRUCTION:9057703774 · Trades Master - Drain Layer

Last seen May 7, 2026

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9057703774

JG MECHANICAL CONTRACTING

Municipal licence

General ContractorsMississauga, ON

General ContractorsHVACPlumbers

City of Mississauga · #Contractor - Plumbing Contractor:JG MECHANICAL CONTRACTING:9056605740 · Contractor - Plumbing Contractor

Last seen May 7, 2026

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9056605740

JG MECHANICAL CONTRACTING

Municipal licence

General ContractorsMississauga, ON

General ContractorsHVACPlumbers

City of Mississauga · #Trades Master - Plumber:JG MECHANICAL CONTRACTING:9058329380 · Trades Master - Plumber

Last seen May 7, 2026

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9058329380

JOHN TEIXEIRA JCONSTRUCTION & RENOVATIONS INC

Municipal licence

General ContractorsMississauga, ON

General ContractorsRenovation Contractors

City of Mississauga · #Building Renovator - General:JOHN TEIXEIRA JCONSTRUCTION & RENOVATIONS INC:4168772408 · Building Renovator - General

Last seen May 7, 2026

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4168772408

JRC PLUMBING & ENTERPRISES LTD

Municipal licence

General ContractorsMississauga, ON

General ContractorsPlumbers

City of Mississauga · #Contractor - Plumbing Contractor:JRC PLUMBING & ENTERPRISES LTD:4162361800 · Contractor - Plumbing Contractor

Last seen May 7, 2026

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4162361800

JULIUSZ DWORAK HOME RECOVERY LTD

Municipal licence

General ContractorsMississauga, ON

General ContractorsRenovation Contractors

City of Mississauga · #Building Renovator - General:JULIUSZ DWORAK HOME RECOVERY LTD:9054596933 · Building Renovator - General

Last seen May 7, 2026

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9054596933

KAPP CONTRACTING

Municipal licence

General ContractorsMississauga, ON

General ContractorsPlumbers

City of Mississauga · #Contractor - Drain Contractor:KAPP CONTRACTING:9057386677 · Contractor - Drain Contractor

Last seen May 7, 2026

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9057386677

KAPP CONTRACTING

Municipal licence

General ContractorsMississauga, ON

General ContractorsPlumbers

City of Mississauga · #Trades Master - Drain Layer:KAPP CONTRACTING:9058561376 · Trades Master - Drain Layer

Last seen May 7, 2026

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9058561376

KENAIDAN CONTRACTING LTD.

Municipal licence

General ContractorsMississauga, ON

General ContractorsRenovation Contractors

City of Mississauga · #Building Renovator - General:KENAIDAN CONTRACTING LTD.:9056702660 · Building Renovator - General

Last seen May 7, 2026

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9056702660

KESSAB GENERAL CONTRACTING CO LTD

Municipal licence

General ContractorsMississauga, ON

General ContractorsRenovation Contractors

City of Mississauga · #Building Renovator - General:KESSAB GENERAL CONTRACTING CO LTD:4164990022 · Building Renovator - General

Last seen May 7, 2026

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4164990022

KING CONCRETE

Municipal licence

Concrete MasonryMississauga, ON

Concrete MasonryGeneral ContractorsPaving

City of Mississauga · #Paving Contractor:KING CONCRETE:9057717999 · Paving Contractor

Last seen May 7, 2026

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9057717999

KING CROSS CONTRACTING

Municipal licence

General ContractorsMississauga, ON

General ContractorsPlumbers

City of Mississauga · #Contractor - Drain Contractor:KING CROSS CONTRACTING:9058570864 · Contractor - Drain Contractor

Last seen May 7, 2026 · 2 source records

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9058570864

KING S & L PAVING LTD

Municipal licence

General ContractorsMississauga, ON

General ContractorsPaving

City of Mississauga · #Paving Contractor:KING S & L PAVING LTD:4163995922 · Paving Contractor

Last seen May 7, 2026

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4163995922

KIRK MECHANICAL

Municipal licence

General ContractorsMississauga, ON

General ContractorsHVACPlumbers

City of Mississauga · #Contractor - Heating Contractor:KIRK MECHANICAL:9056810140 · Contractor - Heating Contractor

Last seen May 7, 2026 · 4 source records

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9056810140

KITA PLUMBING & CONTRACTOR

Municipal licence

General ContractorsMississauga, ON

General ContractorsPlumbers

City of Mississauga · #Contractor - Plumbing Contractor:KITA PLUMBING & CONTRACTOR:9052734860 · Contractor - Plumbing Contractor

Last seen May 7, 2026

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9052734860

KOMON HOMES INC

Municipal licence

General ContractorsMississauga, ON

General ContractorsRenovation Contractors

City of Mississauga · #Building Renovator - General:KOMON HOMES INC:6474015740 · Building Renovator - General

Last seen May 7, 2026

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6474015740

KUPRES HEATING & PLUMBING

Municipal licence

General ContractorsMississauga, ON

General ContractorsHVACPlumbers

City of Mississauga · #Contractor - Plumbing Contractor:KUPRES HEATING & PLUMBING:6472869597 · Contractor - Plumbing Contractor

Last seen May 7, 2026

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6472869597

L&M INTERNATIONAL HOME SERVICES LTD

Municipal licence

General ContractorsMississauga, ON

General ContractorsRenovation Contractors

City of Mississauga · #Building Renovator - Specialized:L&M INTERNATIONAL HOME SERVICES LTD:4168233118 · Building Renovator - Specialized

Last seen May 7, 2026

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4168233118

LAKESIDE CONTRACTING COMPANY

Municipal licence

General ContractorsMississauga, ON

General ContractorsRenovation Contractors

City of Mississauga · #Building Renovator - General:LAKESIDE CONTRACTING COMPANY:9052791198 · Building Renovator - General

Last seen May 7, 2026

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9052791198

LAND ARC INC

Municipal licence

General ContractorsMississauga, ON

General ContractorsRenovation Contractors

City of Mississauga · #Building Renovator - General:LAND ARC INC:9052744488 · Building Renovator - General

Last seen May 7, 2026

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9052744488

LEADER PLUMBING & HEATING

Municipal licence

General ContractorsMississauga, ON

General ContractorsHVACPlumbers

City of Mississauga · #Contractor - Plumbing Contractor:LEADER PLUMBING & HEATING:9052641162 · Contractor - Plumbing Contractor

Last seen May 7, 2026

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9052641162

LEADER PLUMBING & HEATING

Municipal licence

HVACMississauga, ON

HVACPlumbers

City of Mississauga · #Trades Master - Plumber:LEADER PLUMBING & HEATING:4168519684 · Trades Master - Plumber

Last seen May 7, 2026

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4168519684

LEATHERTOWN PLUMBING

Municipal licence

General ContractorsMississauga, ON

General ContractorsPlumbers

City of Mississauga · #Contractor - Plumbing Contractor:LEATHERTOWN PLUMBING:9056022066 · Contractor - Plumbing Contractor

Last seen May 7, 2026 · 2 source records

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9056022066

LEDA RESTORTATION

Municipal licence

General ContractorsMississauga, ON

General ContractorsRenovation Contractors

City of Mississauga · #Building Renovator - General:LEDA RESTORTATION:4166225051 · Building Renovator - General

Last seen May 7, 2026

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4166225051

LEE & LEHMANN PLUMBING & HEATING

Municipal licence

General ContractorsMississauga, ON

General ContractorsHVACPlumbers

City of Mississauga · #Contractor - Plumbing Contractor:LEE & LEHMANN PLUMBING & HEATING:9056379672 · Contractor - Plumbing Contractor

Last seen May 7, 2026

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9056379672

LEE & LEHMANN PLUMBING & HEATING

Municipal licence

HVACMississauga, ON

HVACPlumbers

City of Mississauga · #Trades Master - Plumber:LEE & LEHMANN PLUMBING & HEATING:9056317645 · Trades Master - Plumber

Last seen May 7, 2026

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9056317645

LEONARDI CONSTRUCTION LIMITED

Municipal licence

General ContractorsMississauga, ON

General ContractorsRenovation Contractors

City of Mississauga · #Building Renovator - General:LEONARDI CONSTRUCTION LIMITED:9052790736 · Building Renovator - General

Last seen May 7, 2026

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9052790736

LET IT RAIN LTD

Municipal licence

General ContractorsMississauga, ON

General ContractorsRenovation Contractors

City of Mississauga · #Building Renovator - Specialized:LET IT RAIN LTD:9057950212 · Building Renovator - Specialized

Last seen May 7, 2026

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9057950212

LG CONZTRUXION WORKZ

Municipal licence

General ContractorsMississauga, ON

General ContractorsRenovation Contractors

City of Mississauga · #Building Renovator - General:LG CONZTRUXION WORKZ:6478016785 · Building Renovator - General

Last seen May 7, 2026

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6478016785

LICENSED PLUMBERS.CA

Municipal licence

General ContractorsMississauga, ON

General ContractorsPlumbers

City of Mississauga · #Contractor - Plumbing Contractor:LICENSED PLUMBERS.CA:6477864353 · Contractor - Plumbing Contractor

Last seen May 7, 2026

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6477864353

LISI MECHANICAL CONTRACTORS LTD

Municipal licence

General ContractorsMississauga, ON

General ContractorsHVACPlumbers

City of Mississauga · #Contractor - Plumbing Contractor:LISI MECHANICAL CONTRACTORS LTD:4166748333 · Contractor - Plumbing Contractor

Last seen May 7, 2026

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4166748333

LISI MECHANICAL CONTRACTORS LTD

Municipal licence

General ContractorsMississauga, ON

General ContractorsHVACPlumbers

City of Mississauga · #Trades Master - Plumber:LISI MECHANICAL CONTRACTORS LTD:9058933250 · Trades Master - Plumber

Last seen May 7, 2026

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9058933250

LOKERT LIMITED

Municipal licence

General ContractorsMississauga, ON

General ContractorsPlumbers

City of Mississauga · #Contractor - Plumbing Contractor:LOKERT LIMITED:9056076567 · Contractor - Plumbing Contractor

Last seen May 7, 2026

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9056076567

LOMBARDI CONSTRUCTION

Municipal licence

General ContractorsMississauga, ON

General ContractorsPlumbers

City of Mississauga · #Contractor - Drain Contractor:LOMBARDI CONSTRUCTION:4167430667 · Contractor - Drain Contractor

Last seen May 7, 2026

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4167430667

LONDON EXCAVATORS AND TRUCKING LIMITED

Municipal licence

Excavation ContractorsMississauga, ON

Excavation ContractorsGeneral ContractorsPlumbers

City of Mississauga · #Contractor - Plumbing Contractor:LONDON EXCAVATORS AND TRUCKING LIMITED:4162476601 · Contractor - Plumbing Contractor

Last seen May 7, 2026

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4162476601

LONDON EXCAVATORS AND TRUCKING LIMITED

Municipal licence

Excavation ContractorsMississauga, ON

Excavation ContractorsPlumbers

City of Mississauga · #Trades Master - Plumber:LONDON EXCAVATORS AND TRUCKING LIMITED:9058561561 · Trades Master - Plumber

Last seen May 7, 2026

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9058561561

LONG STAR ROOFING LTD

Municipal licence

General ContractorsMississauga, ON

General ContractorsRenovation ContractorsRoofers

City of Mississauga · #Building Renovator - Specialized:LONG STAR ROOFING LTD:9055645542 · Building Renovator - Specialized

Last seen May 7, 2026

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9055645542

LORA CONSTRUCTION CORP

Municipal licence

General ContractorsMississauga, ON

General ContractorsRenovation Contractors

City of Mississauga · #Building Renovator - General:LORA CONSTRUCTION CORP:9057825023 · Building Renovator - General

Last seen May 7, 2026

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9057825023

LUCAN CONSTRUCTION INC

Municipal licence

General ContractorsMississauga, ON

General ContractorsRenovation Contractors

City of Mississauga · #Building Renovator - General:LUCAN CONSTRUCTION INC:4162559675 · Building Renovator - General

Last seen May 7, 2026

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4162559675

LUDWIG PAVING COMPANY

Municipal licence

General ContractorsMississauga, ON

General ContractorsPaving

City of Mississauga · #Paving Contractor:LUDWIG PAVING COMPANY:4162456984 · Paving Contractor

Last seen May 7, 2026

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4162456984

LUNARDO PLUMBING INC

Municipal licence

General ContractorsMississauga, ON

General ContractorsPlumbers

City of Mississauga · #Contractor - Plumbing Contractor:LUNARDO PLUMBING INC:9057940755 · Contractor - Plumbing Contractor

Last seen May 7, 2026 · 2 source records

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9057940755

LUNDY PLUMBING AND HEATING

Municipal licence

General ContractorsMississauga, ON

General ContractorsHVACPlumbers

City of Mississauga · #Contractor - Plumbing Contractor:LUNDY PLUMBING AND HEATING:9058397047 · Contractor - Plumbing Contractor

Last seen May 7, 2026 · 2 source records

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9058397047

M.A.R.C.H MECHANICAL LIMITED

Municipal licence

General ContractorsMississauga, ON

General ContractorsHVAC

City of Mississauga · #Contractor - Heating Contractor:M.A.R.C.H MECHANICAL LIMITED:9058752700 · Contractor - Heating Contractor

Last seen May 7, 2026 · 2 source records

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9058752700

M.N.B. PAVING LIMITED

Municipal licence

General ContractorsMississauga, ON

General ContractorsPaving

City of Mississauga · #Paving Contractor:M.N.B. PAVING LIMITED:4164390497 · Paving Contractor

Last seen May 7, 2026

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4164390497

MAIELLA CONTRACTING LTD

Municipal licence

General ContractorsMississauga, ON

General ContractorsPlumbers

City of Mississauga · #Contractor - Drain Contractor:MAIELLA CONTRACTING LTD:4169364551 · Contractor - Drain Contractor

Last seen May 7, 2026

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4169364551

MAIELLA CONTRACTING LTD

Municipal licence

General ContractorsMississauga, ON

General ContractorsPlumbers

City of Mississauga · #Trades Master - Drain Layer:MAIELLA CONTRACTING LTD:9058251940 · Trades Master - Drain Layer

Last seen May 7, 2026

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9058251940

MALFAR MECHANICAL INC

Municipal licence

General ContractorsMississauga, ON

General ContractorsHVACPlumbers

City of Mississauga · #Contractor - Plumbing Contractor:MALFAR MECHANICAL INC:9058501242 · Contractor - Plumbing Contractor

Last seen May 7, 2026 · 2 source records

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9058501242

MAPLERIDGE MECHANICAL CONTRACTING INC

Municipal licence

General ContractorsMississauga, ON

General ContractorsHVACPlumbers

City of Mississauga · #Contractor - Plumbing Contractor:MAPLERIDGE MECHANICAL CONTRACTING INC:9058310524 · Contractor - Plumbing Contractor

Last seen May 7, 2026

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9058310524

MARATHON PLUMBING SERVICES

Municipal licence

General ContractorsMississauga, ON

General ContractorsPlumbers

City of Mississauga · #Contractor - Plumbing Contractor:MARATHON PLUMBING SERVICES:4165658385 · Contractor - Plumbing Contractor

Last seen May 7, 2026 · 2 source records

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4165658385