Find Contractors in Ontario

Comairco Equipment Ltd.

Comairco Equipment Ltd. is a Specialty Contractor, Supplier that serves the Toronto, ON area and specializes in Compressed Air Systems, Instrumentation and Control For Process Systems, Medical Specialty and High Purity Gases Systems, Vacuum Systems.

5 Star Paving (Cambridge) Inc

Ontario

General Contractor, Specialty Contractor

Commercial, Industrial and Energy, Infrastructure, Institutional, Residential

Excavation and Fill, Paving and Surfacing, Roadway Construction

5 Star Paving (Cambridge) Inc is a General Contractor, Specialty Contractor that serves the Cambridge, ON area and specializes in Excavation and Fill, Paving and Surfacing, Roadway Construction.

Valley Mobile Welding Ltd.

Barrie, ON • Bradford West Gwillimbury, ON • Brampton, ON • Brantford, ON • Burlington, ON • Caledon, ON • Cambridge, ON • Collingwood, ON • Georgina, ON • Grand Valley, ON • Guelph/Eramosa, ON • Halton Hills, ON • Hamilton, ON • Innisfil, ON • Kincardine, ON • King, ON • Kitchener, ON • London, ON • Milton, ON • Mississauga, ON • New Tecumseth, ON • Newmarket, ON • Oakville, ON • Orangeville, ON • Orillia, ON • Owen Sound, ON • Shelburne, ON • Toronto, ON • Vaughan, ON • Wasaga Beach, ON • Waterloo, ON • Wellington North, ON

Specialty Contractor, Supplier

Commercial, Infrastructure, Residential

Bridge Specialties, Bridges, Commercial Equipment, Decking, Industry Specific Manufacturing Equipment, Manufactured Site Specialties, Manufacturing Equipment, Metal Countertops, Metal Fabrications, Metal Support Assemblies, Other Conveying Equipment, Process Piping, Reinforcement, Reinforcement Bars, Roof and Deck Insulation, Shoring and Underpinning, Special Structures, Stainless Steel Framed Entrances and Storefronts, Standing Seam Sheet Metal Wall Cladding, Steel Framed Entrances and Storefronts, Structural Steel, Structural Steel Framing Erection, Structural Steel Framing Fabrication, Structure Demolition, Welding and Cutting Gases Piping

Valley Mobile Welding Ltd. is a Specialty Contractor, Supplier that serves the Grand Valley, ON area and specializes in Bridge Specialties, Bridges, Commercial Equipment, Decking, Industry Specific Manufacturing Equipment, Manufactured Site Specialties, Manufacturing Equipment, Metal Countertops, Metal Fabrications, Metal Support Assemblies, Other Conveying Equipment, Process Piping, Reinforcement, Reinforcement Bars, Roof and Deck Insulation, Shoring and Underpinning, Special Structures, Stainless Steel Framed Entrances and Storefronts, Standing Seam Sheet Metal Wall Cladding, Steel Framed Entrances and Storefronts, Structural Steel, Structural Steel Framing Erection, Structural Steel Framing Fabrication, Structure Demolition, Welding and Cutting Gases Piping.

Polygon Climate Control

Mississauga, ON

Specialty Contractor

Industrial and Energy

Temporary Heating Cooling and Ventilating

Polygon Climate Control is a Specialty Contractor that serves the Mississauga, ON area and specializes in Temporary Heating Cooling and Ventilating.

Ampfinity

Toronto, ON

Specialty Contractor

Institutional, Residential

Electrical

Ampfinity is a Specialty Contractor that serves the Vaughan, ON area and specializes in Electrical.

Cult Iron Works

Toronto, ON • Ontario

Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Metals, Structural Steel, Structural Steel Framing Erection, Structural Steel Framing Fabrication

Cult Iron Works is a family-owned structural steel fabricator based in Gormley, Ontario, serving the Greater Toronto Area and beyond since 1975. We design, fabricate, and erect structural steel for commercial, institutional, healthcare, industrial, infrastructure, and residential projects across the region. Fifty years of craftsmanship stand behind every beam, column, and connection we put in the ground. We work closely with general contractors, developers, engineers, and architects on projects ranging from focused steel packages to full structural scopes.

SFI Hospitality Inc

Alberta • British Columbia • Manitoba • New Brunswick • Newfoundland and Labrador • Nova Scotia • Ontario • Prince Edward Island • Saskatchewan

Consultant, Specialty Contractor

Commercial, Healthcare, Infrastructure, Institutional

Foodservice Equipment

SFI Hospitality Inc is a Consultant, Specialty Contractor that serves the Vaughan, ON area and specializes in Foodservice Equipment.

Architecture 49

Ottawa, ON

Architect

Commercial, Industrial and Energy, Institutional

Architectural Design and Engineering

Architecture 49 is a Architect that serves the Ottawa, ON area and specializes in Architectural Design and Engineering.

troy LFS

Ottawa, ON

General Contractor

Commercial, Healthcare, Institutional, Residential

Fire Protection Specialties

troy LFS is a General Contractor that serves the Ottawa, ON area and specializes in Fire Protection Specialties.

MTE

London, ON

Engineer

Commercial, Industrial and Energy, Infrastructure, Institutional, Residential

Civil Design and Engineering

MTE is a Engineer that serves the London, ON area and specializes in Civil Design and Engineering.

16882935 Canada Inc.

Ontario

Specialty Contractor

Commercial, Residential

Acoustic Ceilings

16882935 Canada Inc. is a Specialty Contractor that serves the Vaughan, ON area and specializes in Acoustic Ceilings.

CCD group building restoration Ltd

Alberta, AB • Calgary, AB • Hamilton, ON • King, ON • New York, NY • Niagara Falls, ON • Toronto, ON • Alberta • British Columbia • Ontario

General Contractor

Commercial, Residential

Carpeting, Ceramic Tile Faced Panels, Ceramic Tiling, Concrete, Concrete Finishing, Concrete Paving, Demolition, Masonry, Membrane Roofing, Painting, Painting and Coatings, Sidewalks, Tile

CCD Group Building Restoration Ltd. is a Canadian contractor specializing in building restoration, masonry, natural stone installation, veneer stone, cultured stone, tile installation, and waterproofing solutions across Alberta, British Columbia, and Ontario.

We provide high-quality workmanship for residential, commercial, and multi-family projects, offering services including brick and masonry restoration, stone veneer installation, cultured stone applications, balcony and garage waterproofing, concrete repairs, and interior/exterior finishes.

With a hands-on approach and commitment to reliability, our experienced team ensures every project is completed safely, on time, and to the highest standards. We work closely with general contractors, developers, property managers, and homeowners to deliver durable, cost-effective solutions tailored to each project’s needs.

CCD Group is dedicated to building long-term relationships through professionalism, exceptional craftsmanship, quality service, and attention to detail. Our expertise in masonry, stonework, waterproofing, and restoration helps enhance and protect properties throughout Alberta, British Columbia, and beyond.

cladding subcontractor

cladding subcontractor is a Supplier that serves the Vaughan, ON area and specializes in Aluminum Siding.

Ancrstone Inc.

Ajax, ON • Belleville, ON • Cobourg, ON • Kingston, ON • Oshawa, ON • Ottawa, ON • Peterborough, ON • Pickering, ON • Quinte West, ON • Toronto, ON • Whitby, ON

Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional

Concrete Finishing, Flooring Treatment, Fluid Applied Flooring

Ancrstone Inc. is a Specialty Contractor that serves the Ottawa, ON area and specializes in Concrete Finishing, Flooring Treatment, Fluid Applied Flooring.

HVAC Maximum Heating & Cooling Inc.

Ottawa, ON

Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Heating Ventilating and Air Conditioning HVAC, HVAC General, Welding and Cutting Gases Piping

HVAC Maximum Heating & Cooling Inc. is a Specialty Contractor that serves the Ottawa, ON area and specializes in Heating Ventilating and Air Conditioning HVAC, HVAC General, Welding and Cutting Gases Piping.

Soletanche Bachy Canada

Alberta • Ontario • Québec

Specialty Contractor

Infrastructure

Bored Piles, Pile Driving, Shoring and Underpinning

Soletanche Bachy Canada is a Specialty Contractor that serves the Hamilton, ON area and specializes in Bored Piles, Pile Driving, Shoring and Underpinning.

Marksmen Drywall INC

Kingston, ON

General Contractor

Residential

Blown Insulation, Gypsum Board, Painting

Marksmen Drywall INC is a General Contractor that serves the Kingston, ON area and specializes in Blown Insulation, Gypsum Board, Painting.

Primo MT Construction

Toronto, ON

General Contractor

Commercial, Residential

Concrete Finishing, Masonry

Primo MT Construction is a General Contractor that serves the toronto, ON area and specializes in Concrete Finishing, Masonry.

ECOH Management Inc

Ontario

Consultant

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Environmental Assessment, Hazardous Material Assessment

ECOH Management Inc is a Consultant that serves the Mississauga, ON area and specializes in Environmental Assessment, Hazardous Material Assessment.

Onespace Unlimited Inc

Mississauga, ON

Architect

Commercial, Institutional, Residential

Architectural Design and Engineering, Interior Design

Onespace Unlimited Inc is a Architect that serves the Mississauga, ON area and specializes in Architectural Design and Engineering, Interior Design.

Ascent Group Construction

Ontario

General Contractor, Specialty Contractor

Commercial, Industrial and Energy, Institutional, Residential

Exterior Insulation and Finish Systems Eifs, Firestopping, Joint Sealants, Masonry, Painting and Coatings, Waterproofing

Ascent Group Construction is a General Contractor, Specialty Contractor that serves the Toronto, ON area and specializes in Exterior Insulation and Finish Systems Eifs, Firestopping, Joint Sealants, Masonry, Painting and Coatings, Waterproofing.

DuroVac

Alabama • Alaska • Alberta • Arizona • Arkansas • British Columbia • California • Colorado • Connecticut • Delaware • Florida • Georgia • Hawaii • Idaho • Illinois • Indiana • Iowa • Kansas • Kentucky • Louisiana • Maine • Manitoba • Maryland • Massachusetts • Michigan • Minnesota • Mississippi • Missouri • Montana • Nebraska • Nevada • New Brunswick • New Hampshire • New Jersey • New Mexico • New York • Newfoundland and Labrador • North Carolina • North Dakota • Northwest Territories • Nova Scotia • Nunavut • Ohio • Oklahoma • Ontario • Oregon • Pennsylvania • Prince Edward Island • Québec • Rhode Island • Saskatchewan • South Carolina • South Dakota • Tennessee • Texas • Utah • Vermont • Virginia • Washington • West Virginia • Wisconsin • Wyoming

Supplier

Healthcare, Industrial and Energy, Infrastructure, Institutional

Vacuum Systems

DuroVac is a Supplier that serves the Mississauga, ON area and specializes in Vacuum Systems.

Lytro Commercial Flooring

Ontario

Specialty Contractor

Commercial, Healthcare, Institutional, Residential

Access Flooring, Carpeting, Flooring, Resilient Flooring, Specialty Flooring

Lytro Commercial Flooring is a Specialty Contractor that serves the Vaughan, ON area and specializes in Access Flooring, Carpeting, Flooring, Resilient Flooring, Specialty Flooring.

Mike Witherell Mechanical LTD

Blind River, ON • Bonfield, ON • Bracebridge, ON • Burk's Falls, ON • Elliot Lake, ON • Espanola, ON • French River, ON • Greater Sudbury, ON • Huntsville, ON • Killarney, ON • Magnetawan, ON • Manitoulin, ON • Markstay-Warren, ON • Mattawa, ON • Muskoka Lakes, ON • Nipissing District, ON • Nipissing, ON • North Bay, ON • Northeastern Manitoulin and Islands, ON • Parry Sound District, ON • Parry Sound, ON • Powassan, ON • South River, ON • Spanish, ON • St-Charles, ON • Sudbury District, ON • Temagami, ON • Temiskaming Shores, ON • West Nipissing, ON

General Contractor, Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Electrical, Heating Ventilating and Air Conditioning HVAC, HVAC General, Instrumentation and Control For Electrical Systems, Instrumentation and Control For HVAC, Instrumentation and Control For Plumbing, Integrated Automation Systems For Electrical, Integrated Automation Systems For HVAC, Integrated Automation Systems For Plumbing, Plumbing, Plumbing General, Project Management and Coordination, Refrigerant Detection and Alarm

Mike Witherell Mechanical LTD is a General Contractor, Specialty Contractor that serves the Lively, ON area and specializes in Electrical, Heating Ventilating and Air Conditioning HVAC, HVAC General, Instrumentation and Control For Electrical Systems, Instrumentation and Control For HVAC, Instrumentation and Control For Plumbing, Integrated Automation Systems For Electrical, Integrated Automation Systems For HVAC, Integrated Automation Systems For Plumbing, Plumbing, Plumbing General, Project Management and Coordination, Refrigerant Detection and Alarm.

New Business

London, ON

Consultant

Infrastructure

Communications, Construction Scheduling, Earthwork, Excavation and Fill, Job Site Data Collection and Reporting, Project Management, Project Management and Coordination, Safety Specialties, Site Controls

New Business is a Consultant that serves the London, ON area and specializes in Communications, Construction Scheduling, Earthwork, Excavation and Fill, Job Site Data Collection and Reporting, Project Management, Project Management and Coordination, Safety Specialties, Site Controls.

Monir Precision Monitoring

Grimsby, ON • Hamilton, ON • Milton, ON • Mississauga, ON • Oakville, ON • St Catharines, ON • Toronto, ON

Specialty Contractor

Infrastructure, Institutional, Residential

Geotechnical Investigations

Monir Precision Monitoring specializes in providing high-precision monitoring solutions for various industries, including construction, mining, and civil engineering. They offer services such as structural health monitoring, geotechnical instrumentation, and environmental monitoring. Our expertise and experience have made us a trusted name in the field of precision monitoring.

North Star Pest Control

Brampton, ON

Supplier

Healthcare

Healthcare Equipment, Pest Control Devices

North Star Pest Control is a Supplier that serves the Brampton, ON area and specializes in Healthcare Equipment, Pest Control Devices.

Jengga Construction, JCL

Toronto, ON • Ontario

General Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Acoustic Ceilings, Acoustic Treatment, Cast In Place Concrete, Cast In Place Concrete Retaining Walls, Ceilings, Ceramic Tiling, Concrete, Demolition, Estimating, General Construction Management

Jengga Construction, JCL is a General Contractor that serves the Toronto, ON area and specializes in Acoustic Ceilings, Acoustic Treatment, Cast In Place Concrete, Cast In Place Concrete Retaining Walls, Ceilings, Ceramic Tiling, Concrete, Demolition, Estimating, General Construction Management.

Eagle Vision Security

Mississauga, ON

General Contractor

Commercial, Industrial and Energy

Security Equipment

Eagle Vision Security provides advanced security solutions for businesses that need reliable protection for high-risk properties, assets, and operations. We specialize in truck yard security, warehouse security, truck yard monitoring, yard monitoring, construction security, trucking security, construction site security, and live video monitoring.

Using intelligent video technology, AI-powered detection, and trained live agents, Eagle Vision Security helps prevent theft, unauthorized access, vandalism, cargo loss, and property damage before incidents escalate. Our remote monitoring solutions are designed for truck yards, warehouses, construction sites, logistics facilities, commercial properties, and industrial locations that require proactive, 24/7 security coverage.

Integrated Mechanical Services (2014) Inc.

Ontario

Specialty Contractor

Industrial and Energy

Electrical, Fabricated Engineered Structures, Industry Specific Manufacturing Equipment, Material Lifts, Mechanical Design and Engineering, Metal Fabrications, Metal Support Assemblies, Modular Mezzanines, Other Conveying Equipment, Plumbing, Process Piping, Steam Process Piping

Integrated Mechanical Services (2014) Inc. is a Specialty Contractor that serves the Stratford, ON area and specializes in Electrical, Fabricated Engineered Structures, Industry Specific Manufacturing Equipment, Material Lifts, Mechanical Design and Engineering, Metal Fabrications, Metal Support Assemblies, Modular Mezzanines, Other Conveying Equipment, Plumbing, Process Piping, Steam Process Piping.

Floor Solutions

Ontario

Specialty Contractor, Supplier

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Concrete, Demolition

Floor Solutions is a Specialty Contractor, Supplier that serves the Oakville, ON area and specializes in Concrete, Demolition.

AEP Ontario

Ontario

Specialty Contractor, Supplier

Commercial, Residential

Wood Framing, Wood Wall Panels

AEP Ontario is a Specialty Contractor, Supplier that serves the Clinton, ON area and specializes in Wood Framing, Wood Wall Panels.

Clearstream Architectural Ltd.

Ontario

Consultant, Specialty Contractor, Supplier

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Aluminum Framed Entrances and Storefronts, Balanced Door Entrances and Storefronts, Bronze Framed Entrances and Storefronts, Curtain Wall and Glazed Assemblies, Doors and Frames, Entrances and Storefronts, Glass and Glazing, Glass Countertops, Glass Glazing, Glazed Aluminum Curtain Walls, Mirrors, Sliding Entrances and Storefronts, Sliding Glass Doors, Stainless Steel Framed Entrances and Storefronts, Translucent Wall and Roof Assemblies

We literally do every type of interior and exterior glass imaginable.  We have 21 factory partners from across North America and around the world.

Sproule Specialty Roofing

Ontario

Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Built Up Bituminous Waterproofing, Fluid Applied Waterproofing, Membrane Roofing, Natural Roof Coverings, Roof Accessories, Roof and Deck Insulation, Roof Pavers, Roof Specialties, Roof Windows and Skylights, Roofing, Sheet Metal Roofing

Sproule Specialty Roofing is a Toronto / GTA based industrial and commercial roofing and sheet metal contractor providing a wide range of services from detailed roof inspections to preventative maintenance and repair programs. We also serve our clients with complete replacement and retrofit roofing programs to all types of roofing systems.

Major Refrigeration Ltd.

New Brunswick • Nova Scotia • Ontario • Prince Edward Island

Specialty Contractor

Commercial

Heating Ventilating and Air Conditioning HVAC, HVAC General

Major Refrigeration Ltd. is a Specialty Contractor that serves the Grimsby, ON area and specializes in Heating Ventilating and Air Conditioning HVAC, HVAC General.

GOSAVI Meeting Solutions Inc.

Toronto, ON

Specialty Contractor

Commercial

Audio Video Communications

GOSAVI Meeting Solutions Inc. is a Specialty Contractor that serves the Burlington, ON area and specializes in Audio Video Communications.

Reg Drywall Inc.

Ottawa, ON

General Contractor

Residential

Blanket Insulation, Blown Insulation, Board Insulation, Gypsum Board, Plaster and Gypsum Board, Sprayed Foam Air Barrier

Reg Drywall Inc. is a General Contractor that serves the Ottawa, ON area and specializes in Blanket Insulation, Blown Insulation, Board Insulation, Gypsum Board, Plaster and Gypsum Board, Sprayed Foam Air Barrier.

Industrial Electrical Contractors Brockville LTD

Athens, ON

General Contractor

Industrial and Energy

Electrical

Industrial Electrical Contractors Brockville LTD is a General Contractor that serves the Brockville, ON area and specializes in Electrical.

Drycore Electric

Drycore Electric is a Specialty Contractor that serves the Ottawa, ON area and specializes in Electrical.

Verify Inc.

Calgary, AB • Guelph, ON • Toronto, ON • Alberta • British Columbia • Ontario

Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional, Residential

Heating Ventilating and Air Conditioning HVAC, HVAC General

NEBB Certified Testing, Adjusting, Balancing (TAB) firm.

Contractors in Ontario

9,729 Results

Comairco Equipment Ltd.

5 Star Paving (Cambridge) Inc

Valley Mobile Welding Ltd.

Polygon Climate Control

Ampfinity

Cult Iron Works

SFI Hospitality Inc

Architecture 49

troy LFS

MTE

16882935 Canada Inc.

CCD group building restoration Ltd

cladding subcontractor

Ancrstone Inc.

HVAC Maximum Heating & Cooling Inc.

Soletanche Bachy Canada

Marksmen Drywall INC

Primo MT Construction

ECOH Management Inc

Onespace Unlimited Inc

Ascent Group Construction

DuroVac

Lytro Commercial Flooring

Mike Witherell Mechanical LTD

New Business

Monir Precision Monitoring

North Star Pest Control

Jengga Construction, JCL

Eagle Vision Security

Integrated Mechanical Services (2014) Inc.

Floor Solutions

AEP Ontario

Clearstream Architectural Ltd.

Sproule Specialty Roofing

Major Refrigeration Ltd.

GOSAVI Meeting Solutions Inc.

Reg Drywall Inc.

Industrial Electrical Contractors Brockville LTD

Drycore Electric

Verify Inc.

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