HIGHLAND HEATING & COOLING
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsHVAC
City of Hamilton · #15 278319 · Contractor / Heating, Ventilation and Air Conditionin
Last seen May 15, 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 381 of 457 from the national official-source dataset.
131,786 records loaded
HIGHLAND PLUMBING & HEATING LTD.
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsHVACPlumbers
City of Hamilton · #18 294646 · Contractor / Plumbing
Last seen May 15, 2026
HILL'S PLUMBING SERVICE
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsPlumbers
City of Hamilton · #15 117486 · Contractor / Plumbing
Last seen May 15, 2026
HOFFER MECHANICAL COMPANY LIMITED
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsHVACPlumbers
City of Hamilton · #15 275747 · Contractor / Plumbing
Last seen May 15, 2026
HOLLANDS CUSTOM HOMES
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsRenovation Contractors
City of Toronto · #T85-5104651 · BUILDING RENOVATOR
Last seen May 7, 2026
HOMEWORKS
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #14 157593 · Contractor / Building Repair
Last seen May 15, 2026
HONEST RENOVATIONS
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsRenovation Contractors
City of Hamilton · #27 000122 · Contractor / Building Repair
Last seen May 15, 2026
HQ CONSTRUCTION & SUPPLIES INC
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #15 287380 · Contractor / Building Repair
Last seen May 15, 2026
HUFFMAN HOME IMPROVEMENTS
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #21 298587 · Contractor / Building Repair
Last seen May 15, 2026
HUNTINGTON HOME CONCEPTS
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #20 298259 · Contractor / Building Repair
Last seen May 15, 2026
HUSKY GENERAL CONTRACTING
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #16 291418 · Contractor / Building Repair
Last seen May 15, 2026
HY-PRO PLUMBING & DRAIN CLEANING
Municipal licenceCleanersHamilton, ON
CleanersGeneral ContractorsPlumbers
City of Hamilton · #14 237005 · Contractor / Plumbing
Last seen May 15, 2026
ID MECHANICAL INC
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsHVACPlumbers
City of Hamilton · #16 290517 · Contractor / Plumbing
Last seen May 15, 2026
IDEAL CONSTRUCTION
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsPlumbers
City of Hamilton · #14 280476 · Contractor / Drain Repair
Last seen May 15, 2026
IMPECCABLE PLUMBING
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsPlumbers
City of Hamilton · #27 000156 · Contractor / Plumbing
Last seen May 15, 2026
INDUSTRIAL PIPING & PLUMBING LTD
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsPlumbersPressure Equipment
City of Hamilton · #15 284222 · Contractor / Plumbing
Last seen May 15, 2026
INTEGRIMARK INC.
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #16 291527 · Contractor / Building Repair
Last seen May 15, 2026
INTEGROY CONSTRUCTION INC.
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsPlumbers
City of Hamilton · #20 297470 · Contractor / Drain Repair
Last seen May 15, 2026
INTERLOCK METAL ROOFING (ONTARIO) LTD.
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsRoofers
City of Hamilton · #14 205557 · Contractor / Building Repair
Last seen May 15, 2026
J DA COSTA ROOFING
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsRoofers
City of Hamilton · #10 279782 · Contractor / Building Repair
Last seen May 15, 2026
J HORN PLUMBING
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsPlumbers
City of Hamilton · #14 275023 · Contractor / Plumbing
Last seen May 15, 2026
J-TECH CONSTRUCTION INC
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #27 000018 · Contractor / Building Repair
Last seen May 15, 2026
J. AQUIN AND SONS LIMITED O/A CENTRAL PLUMBING & HEATING
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsHVACPlumbers
City of Hamilton · #14 280065 · Contractor / Plumbing
Last seen May 15, 2026
J. CAMPBELL CONSTRUCTION INC.
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsPlumbers
City of Hamilton · #22 301729 · Contractor / Plumbing
Last seen May 15, 2026
J. FOLKES CONSTRUCTION INC
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #24 305529 · Contractor / Building Repair
Last seen May 15, 2026
J.V. CONTRACTING & CONSULTING INC
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #16 290621 · Contractor / Building Repair
Last seen May 15, 2026
JACKSON ROOFING
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsRoofers
City of Hamilton · #15 117750 · Contractor / Building Repair
Last seen May 15, 2026
JAMAR PLUMBING
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsPlumbers
City of Hamilton · #15 225917 · Contractor / Plumbing
Last seen May 15, 2026
JAMES LING GROUP LTD
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #13 270526 · Contractor / Building Repair
Last seen May 15, 2026
JCY CONSTRUCTION INC.
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #27 000200 · Contractor / Building Repair
Last seen May 15, 2026
JD WOODREVIVAL INC.
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #27 000206 · Contractor / Building Repair
Last seen May 15, 2026
JENSEN WINDOWS (PETE JENSEN WINDOWS&DOORS)
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsWindow & Door Contractors
City of Hamilton · #15 115667 · Contractor / Building Repair
Last seen May 15, 2026
JENTRY CONSTRUCTION LIMITED
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsPlumbers
City of Hamilton · #15 270459 · Contractor / Drain Repair
Last seen May 15, 2026
JETHRO GENERAL CONTRACTING
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #15 287448 · Contractor / Building Repair
Last seen May 15, 2026
JJ LEGACY CONTRACTING INC.
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #23 302284 · Contractor / Building Repair
Last seen May 15, 2026
JML ENTERPRISES
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsPlumbers
City of Hamilton · #14 169618 · Contractor / Drain Repair
Last seen May 15, 2026
JOHN JOHNSON'S PLUMBING & HEATING
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsHVACPlumbers
City of Hamilton · #16 117815 · Contractor / Plumbing
Last seen May 15, 2026
JOHN RUBINO DESIGN RENOVATIONS
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsRenovation Contractors
City of Hamilton · #27 000231 · Contractor / Building Repair
Last seen May 15, 2026
JOHNSON BROTHERS CARPENTRY
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #18 293663 · Contractor / Building Repair
Last seen May 15, 2026
JORDANO CONSTRUCTION INC.
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #17 292559 · Contractor / Building Repair
Last seen May 15, 2026
JSL PLUMBING INC
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsPlumbers
City of Hamilton · #27 000267 · Contractor / Plumbing
Last seen May 15, 2026
JTS MECHANICAL SYSTEMS
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsHVACPlumbers
City of Hamilton · #15 287278 · Contractor / Plumbing
Last seen May 15, 2026
JUST DECKS
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #19 296902 · Contractor / Building Repair
Last seen May 15, 2026
JUST-IN TIME RENOVATIONS
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsRenovation Contractors
City of Hamilton · #27 000015 · Contractor / Building Repair
Last seen May 15, 2026
KATARACT CONTRACTING LTD.
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #16 291217 · Contractor / Building Repair
Last seen May 15, 2026
KEITH'S PLUMBING & HEATING
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsHVACPlumbers
City of Hamilton · #15 278352 · Contractor / Plumbing
Last seen May 15, 2026
KEITHS PLUMBING & HEATING INC
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsHVACPlumbers
City of Hamilton · #17 292980 · Contractor / Heating, Ventilation and Air Conditionin
Last seen May 15, 2026
KERR MECHANICAL INC.
Municipal licenceGeneral ContractorsHamilton, ON
General ContractorsHVACPlumbers
City of Hamilton · #14 277148 · Contractor / Plumbing
Last seen May 15, 2026
KEVIN HOWIE GENERAL CARPENTRY INC
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #27 000103 · Contractor / Building Repair
Last seen May 15, 2026
KGA CONTRACTING INC.
Municipal licenceGeneral ContractorsHamilton, ON
General Contractors
City of Hamilton · #22 301796 · Contractor / Building Repair
Last seen May 15, 2026