DI AND SON CONSTRUCTION
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4539547 · BUILDING RENOVATOR
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 389 of 457 from the national official-source dataset.
131,786 records loaded
DILIGENT ROOFING
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-4645437 · BUILDING RENOVATOR
Last seen May 7, 2026
DIMA PLUMBING
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsPlumbers
City of Toronto · #T94-4542707 · PLUMBING CONTRACTOR
Last seen May 7, 2026
DUKON CONSTRUCTION
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsPaving
City of Toronto · #T93-4306496 · DRIVEWAY PAVING CONTRACTOR
Last seen May 7, 2026
ELEGANT ROOFING INC
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-4653554 · BUILDING RENOVATOR
Last seen May 7, 2026
ENCORE HOME IMPROVEMENTS
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-3948998 · BUILDING RENOVATOR
Last seen May 7, 2026
ENERCARE HOME AND COMMERCIAL SERVICES
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsHVACPlumbers
City of Toronto · #T92-4946053 · PLUMBING & HEATING CONTRACTOR
Last seen May 7, 2026
FASHION ROOFING
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-4922873 · BUILDING RENOVATOR
Last seen May 7, 2026
FOR SAVING HOME SERVICE INC
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsHVAC
City of Toronto · #T91-4647479 · HEATING CONTRACTOR
Last seen May 7, 2026
FUYUN LANDSCAPING
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsLandscapingPaving
City of Toronto · #T93-5232637 · DRIVEWAY PAVING CONTRACTOR
Last seen May 7, 2026
GENSHIN ROOFING INC
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-5202979 · BUILDING RENOVATOR
Last seen May 7, 2026
GEORGE GRIFFITHS & SONS (1988) LTD
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsPlumbers
City of Toronto · #T94-0002611 · PLUMBING CONTRACTOR
Last seen May 7, 2026
GITSON CONSTRUCTION
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-3371316 · BUILDING RENOVATOR
Last seen May 7, 2026
GOLDEN ROOFING @ ALUMINUM
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-4536210 · BUILDING RENOVATOR
Last seen May 7, 2026
GOOD MORNING ROOFING
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-4756522 · BUILDING RENOVATOR
Last seen May 7, 2026
GRAND HOME CONSTRUCTION
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4065029 · BUILDING RENOVATOR
Last seen May 7, 2026
GREAT WALL ROOFING
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-4534363 · BUILDING RENOVATOR
Last seen May 7, 2026
GUILDWOOD CONSTRUCTION
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4181895 · BUILDING RENOVATOR
Last seen May 7, 2026
HEATHER & LITTLE LIMITED
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-0203718 · BUILDING RENOVATOR
Last seen May 7, 2026
HEPING SHENGPING ROOFING LTD
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-4177827 · BUILDING RENOVATOR
Last seen May 7, 2026
HIGH LIFE HEATING, AIR CONDITIONING & SECURITY INC
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsHVAC
City of Toronto · #T91-4542211 · HEATING CONTRACTOR
Last seen May 7, 2026
HL & XM ROOFING & ALUMINUM
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-4425096 · BUILDING RENOVATOR
Last seen May 7, 2026
HONG YANG ROOFING AND RENOVATION
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-4945094 · BUILDING RENOVATOR
Last seen May 7, 2026
HONGLIN CONSTRUCTION CORPORATION
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsPlumbers
City of Toronto · #T94-4900031 · PLUMBING CONTRACTOR
Last seen May 7, 2026
IDO ROOFING INC
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-4294005 · BUILDING RENOVATOR
Last seen May 7, 2026
INNOVATE ROOFING INC
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-4715866 · BUILDING RENOVATOR
Last seen May 7, 2026
INNOVATION PLUMBING INC
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsPlumbers
City of Toronto · #T94-4895641 · PLUMBING CONTRACTOR
Last seen May 7, 2026
JEFFAT ENTERPRISES CO LTD
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-3955511 · BUILDING RENOVATOR
Last seen May 7, 2026
JI MECHANICAL
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsHVACPlumbers
City of Toronto · #T92-3959486 · PLUMBING & HEATING CONTRACTOR
Last seen May 7, 2026
JOHN'S CONSTRUCTION & RENOVATION
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4307680 · BUILDING RENOVATOR
Last seen May 7, 2026
K & P ROOFING
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-4647792 · BUILDING RENOVATOR
Last seen May 7, 2026
KELVIN CHONG ROOFING
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-4064764 · BUILDING RENOVATOR
Last seen May 7, 2026
KING NGAI INTERIOR DECORATION & CONSTRUCTION
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4180864 · BUILDING RENOVATOR
Last seen May 7, 2026
L & M INTERNATIONAL HOME SERVICES
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4426518 · BUILDING RENOVATOR
Last seen May 7, 2026
L&Q CONSTRUCTION
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4952833 · BUILDING RENOVATOR
Last seen May 7, 2026
LAIDY WATERPROOFING LTD
Municipal licenceBuilding EnvelopeMarkham, ON
Building EnvelopeGeneral ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-5200188 · BUILDING RENOVATOR
Last seen May 7, 2026
LAVECCHIA INC
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-5144818 · BUILDING RENOVATOR
Last seen May 7, 2026
LEAD HOME RENOVATION
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4312058 · BUILDING RENOVATOR
Last seen May 7, 2026
LYONS ROOFING
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-4815464 · BUILDING RENOVATOR
Last seen May 7, 2026
M & M CONTRACTING INC
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4840197 · BUILDING RENOVATOR
Last seen May 7, 2026
M & M WINDOWS COMPANY INC
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4647528 · BUILDING RENOVATOR
Last seen May 7, 2026
M T I MECHANICAL TRADE INDUSTRIES LTD
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsHVACPlumbers
City of Toronto · #T94-4066964 · PLUMBING CONTRACTOR
Last seen May 7, 2026
MARMO CONTRACTING
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4646993 · BUILDING RENOVATOR
Last seen May 7, 2026
MASELLIS WINDOWS AND DOORS LTD
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-3252242 · BUILDING RENOVATOR
Last seen May 7, 2026
MICHAEL & WILLIAM CONTRACTING
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4533536 · BUILDING RENOVATOR
Last seen May 7, 2026
MIN SHENG ROOFING SERVICES
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-4534566 · BUILDING RENOVATOR
Last seen May 7, 2026
MY MIRACLE GARDEN LTD
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4847573 · BUILDING RENOVATOR
Last seen May 7, 2026
NO.1 SAFETY ROOFING INC
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation ContractorsRoofers
City of Toronto · #T85-4533496 · BUILDING RENOVATOR
Last seen May 7, 2026
NORTH SHORE MECHANICAL CORP
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsHVACPlumbers
City of Toronto · #T94-5101492 · PLUMBING CONTRACTOR
Last seen May 7, 2026
ONERENO
Municipal licenceGeneral ContractorsMarkham, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-4714181 · BUILDING RENOVATOR
Last seen May 7, 2026