NORTH WALES MECHANICAL LTD
Municipal licenceHVACToronto, ON
HVACPlumbers
City of Toronto · #T95-4932385 · MASTER PLUMBER
Last seen May 7, 2026
ON
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 437 of 457 from the national official-source dataset.
131,786 records loaded
NORTH YORK PLUMBING CONTRACTING
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsPlumbers
City of Toronto · #T94-3614415 · PLUMBING CONTRACTOR
Last seen May 7, 2026 · 2 source records
NORTHLAND PAVING
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsPavingRenovation Contractors
City of Toronto · #T85-4294308 · BUILDING RENOVATOR
Last seen May 7, 2026 · 2 source records
NORTHMEN PLUMBING INC
Municipal licencePlumbersToronto, ON
Plumbers
City of Toronto · #T95-3947171 · MASTER PLUMBER
Last seen May 7, 2026
NORTHRIDGE WINDOWS & DOORS LTD
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-5042181 · BUILDING RENOVATOR
Last seen May 7, 2026
NORTHSHORE PLUMBING
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsPlumbers
City of Toronto · #T94-4064651 · PLUMBING CONTRACTOR
Last seen May 7, 2026 · 2 source records
NORTHTOWN RENOVATIONS
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4069446 · BUILDING RENOVATOR
Last seen May 7, 2026
NORTHVIEW WINDOWS & DOORS
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4073711 · BUILDING RENOVATOR
Last seen May 7, 2026
NORTOWN AIR SYSTEMS
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsHVAC
City of Toronto · #T91-0000751 · HEATING CONTRACTOR
Last seen May 7, 2026 · 2 source records
NOURI, VALI
Municipal licencePlumbersToronto, ON
Plumbers
City of Toronto · #T88-4864252 · DRAIN LAYER
Last seen May 7, 2026
NOVA PLUMBING & HEATING LTD
Municipal licenceHVACToronto, ON
HVACPlumbers
City of Toronto · #T95-4925610 · MASTER PLUMBER
Last seen May 7, 2026
NOVAK ALUMINUM
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4805711 · BUILDING RENOVATOR
Last seen May 7, 2026
NOVELL DESIGN & BUILD
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4187564 · BUILDING RENOVATOR
Last seen May 7, 2026
NOVOA, RODRIGO ADRIAN
Municipal licencePlumbersToronto, ON
Plumbers
City of Toronto · #T95-5232618 · MASTER PLUMBER
Last seen May 7, 2026
NT PLUMBER INC
Municipal licencePlumbersToronto, ON
Plumbers
City of Toronto · #T95-4418483 · MASTER PLUMBER
Last seen May 7, 2026
NTL CONTRACTING AND WATERPROOFING
Municipal licenceBuilding EnvelopeToronto, ON
Building EnvelopeGeneral ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-5208538 · BUILDING RENOVATOR
Last seen May 7, 2026
NTOULIS GROUP
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-5104938 · BUILDING RENOVATOR
Last seen May 7, 2026
NU LOOK
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-0244565 · BUILDING RENOVATOR
Last seen May 7, 2026
NU TECK MECHANICAL SERVICES
Municipal licenceHVACToronto, ON
HVACPlumbers
City of Toronto · #T95-4202762 · MASTER PLUMBER
Last seen May 7, 2026 · 2 source records
NU-PRIDE HOME IMPROVEMENTS
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-5018334 · BUILDING RENOVATOR
Last seen May 7, 2026
NU-SITE CONTRACTORS LTD
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-3125659 · BUILDING RENOVATOR
Last seen May 7, 2026
NUROCK CONTRACTING
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-3719412 · BUILDING RENOVATOR
Last seen May 7, 2026
NUTEMP MECHANICAL SYSTEMS LTD
Municipal licenceHVACToronto, ON
HVACPlumbers
City of Toronto · #T95-5137613 · MASTER PLUMBER
Last seen May 7, 2026 · 2 source records
O'BRIEN H.V.A.C.
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsHVAC
City of Toronto · #T91-3136089 · HEATING CONTRACTOR
Last seen May 7, 2026 · 2 source records
O'LEARY MECHANICAL LTD
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsHVACPlumbers
City of Toronto · #T94-3960444 · PLUMBING CONTRACTOR
Last seen May 7, 2026 · 2 source records
OAKE MASONRY
Municipal licenceConcrete MasonryToronto, ON
Concrete MasonryGeneral ContractorsRenovation Contractors
City of Toronto · #T85-5102523 · BUILDING RENOVATOR
Last seen May 7, 2026
OBI HOME IMPROVEMENT LTD
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4646033 · BUILDING RENOVATOR
Last seen May 7, 2026
OBLEDA, FERNANDO MARINO
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4179809 · BUILDING RENOVATOR
Last seen May 7, 2026
OBRIEN PLUMBING
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsPlumbers
City of Toronto · #T94-0225509 · PLUMBING CONTRACTOR
Last seen May 7, 2026 · 2 source records
OCEAN MECHANICAL INC
Municipal licenceHVACToronto, ON
HVAC
City of Toronto · #T96-4200545 · MASTER HEATING INSTALLER
Last seen May 7, 2026
ODA PRO RENOVATIONS
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-3841684 · BUILDING RENOVATOR
Last seen May 7, 2026
ODD JOB HANDYMAN SERVICES
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4747005 · BUILDING RENOVATOR
Last seen May 7, 2026
ODRACIR CONSTRUCTION
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4537898 · BUILDING RENOVATOR
Last seen May 7, 2026
OFF THE WALL HOME IMPROVEMENTS & ROOFING
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-0237712 · BUILDING RENOVATOR
Last seen May 7, 2026
OFFREDI HOME IMPROVEMENTS
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-0224027 · BUILDING RENOVATOR
Last seen May 7, 2026
OGDEN CONTRACTING
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-3354943 · BUILDING RENOVATOR
Last seen May 7, 2026
OLAR MECHANICAL CONTRACTING
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsHVACPlumbers
City of Toronto · #T95-5005599 · MASTER PLUMBER
Last seen May 7, 2026 · 2 source records
OLIVEIRA RENOVATIONS
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-3956847 · BUILDING RENOVATOR
Last seen May 7, 2026
OLYMPIA TOWN ALUMINUM
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4291349 · BUILDING RENOVATOR
Last seen May 7, 2026
OMBRAGE CONSTRUCTION
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4201788 · BUILDING RENOVATOR
Last seen May 7, 2026
OMICO MECHANICAL LIMITED
Municipal licenceHVACToronto, ON
HVACPlumbers
City of Toronto · #T95-0237299 · MASTER PLUMBER
Last seen May 7, 2026 · 2 source records
OMMERT CARPENTRY AND RENOVATIONS
Municipal licenceCarpentryToronto, ON
CarpentryGeneral ContractorsRenovation Contractors
City of Toronto · #T85-3598892 · BUILDING RENOVATOR
Last seen May 7, 2026
OMNI CONTRACTING
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-3355276 · BUILDING RENOVATOR
Last seen May 7, 2026
OMO M INC
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-3953974 · BUILDING RENOVATOR
Last seen May 7, 2026
ON DEMAND PLUMBING
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsPlumbers
City of Toronto · #T94-4423401 · PLUMBING CONTRACTOR
Last seen May 7, 2026
ON TIME CONTRACTING
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4064408 · BUILDING RENOVATOR
Last seen May 7, 2026
ONE DROP PLUMBING LTD
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsPlumbers
City of Toronto · #T94-4543370 · PLUMBING CONTRACTOR
Last seen May 7, 2026 · 2 source records
ONE HUNDRED RENOVATION COMPANY
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-3368365 · BUILDING RENOVATOR
Last seen May 7, 2026
ONE SHOT PLUMBING LTD
Municipal licenceGeneral ContractorsToronto, ON
General ContractorsPlumbers
City of Toronto · #T94-5039073 · PLUMBING CONTRACTOR
Last seen May 7, 2026 · 2 source records
ONTARIO ALUMINUM AND GLASS
Municipal licenceBuilding EnvelopeToronto, ON
Building EnvelopeGeneral ContractorsRenovation Contractors
City of Toronto · #T85-4804886 · BUILDING RENOVATOR
Last seen May 7, 2026