Find Contractors in Ontario

Godfrey Roofing Inc.

Godfrey Roofing Inc. is a Specialty Contractor that serves the Ottawa, ON area and specializes in Aluminum Siding, Composition Siding, Membrane Roofing, Sheet Metal Flashing and Trim, Steel Siding.

Servco

Ontario

Supplier

Commercial, Healthcare, Institutional, Residential

Countertops

Servco is a Supplier that serves the Hamilton, ON area and specializes in Countertops.

Orin Landscaping

Ontario

General Contractor

Infrastructure, Institutional, Residential

Landscaping

Orin Landscaping is a General Contractor that serves the Vaughan, ON area and specializes in Landscaping.

Dynamic Energy Services Inc.

Burlington, ON

Specialty Contractor

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

Electrical, Electrical General, Integrated Automation Lighting Relays

Dynamic Energy Services Inc. is a Specialty Contractor that serves the Burlington, ON area and specializes in Electrical, Electrical General, Integrated Automation Lighting Relays.

Triad Office Interiors

Barrie, ON • Burlington, ON • Mississauga, ON • Oakville, ON • Toronto, ON • Vaughan, ON • Ontario

Supplier

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

Furnishings, Furniture, Furniture Accessories, Other Furnishings, Site Furnishings

Triad Office Interiors is a Supplier that serves the Burlington, ON area and specializes in Furnishings, Furniture, Furniture Accessories, Other Furnishings, Site Furnishings.

Tech BeyondIT Inc

Tech BeyondIT Inc is a Engineer that serves the Toronto, ON area and specializes in Web Conferencing.

No. Twelve Welding Company

Bancroft, ON • Belleville, ON • Cobourg, ON • Kingston, ON • Ottawa, ON • Pembroke, ON • Peterborough, ON • Prince Edward, ON • Quinte West, ON

Specialty Contractor

Commercial, Industrial and Energy, Infrastructure

Access Control, Bridges, Building Modules and Components, Dam Construction and Equipment, Decorative Metal Fences and Gates, Demolition, Detention Equipment, Fences and Gates, Metal Doors and Frames, Metal Fabrications, Reinforcement Bars, Structural Steel, Structure Demolition, Welded Wire Fences and Gates

Commercial and Industrial Welding Services: Heavy Equipment Repairs, Custom Fabrication, Maintenance & Security Solutions

T-Daniil's Contracting Ltd.

Fort Erie, ON • Grimsby, ON • Lincoln, ON • Niagara Falls, ON • Niagara-on-the-Lake, ON • Pelham, ON • Port Colborne, ON • St Catharines, ON • Thorold, ON • Welland, ON

General Contractor

Commercial, Industrial and Energy, Institutional, Residential

Sheet Metal Wall Cladding, Siding, Standing Seam Sheet Metal Wall Cladding

A multi trade team committed to durability, precision and dependable service.

T-Daniil’s Contracting Ltd was founded on the belief that every exterior deserves the highest standard of durability and detail. With extensive multi trade expertise and a hands on approach to project leadership, we manage and execute work that protects structures and enhances their appearance. Our team serves homeowners, builders and organizations throughout Southern Ontario with a focus on reliability, clear communication and workmanship that stands up to the demands of our environment. From framing and roofing to full exterior cladding systems, we deliver contracting solutions that ensure long term confidence in every build.

Dolyn construction

Ottawa, ON

General Contractor

Commercial

Cast In Place Concrete

Dolyn construction is a General Contractor that serves the Ottawa, ON area and specializes in Cast In Place Concrete.

Direct Life Safety

Ajax, ON • Aurora, ON • Barrie, ON • Brampton, ON • Burlington, ON • Markham, ON • Milton, ON • Mississauga, ON • Newmarket, ON • Oakville, ON • Oshawa, ON • Pickering, ON • Richmond Hill, ON • Toronto, ON • Vaughan, ON • Whitby, ON

Specialty Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional

Fire and Smoke Protection, Fire Detection and Alarm, Fire Extinguishing Systems, Fire Protection Engineering, Fire Protection Specialties, Fire Pumps, Fire Suppression

A company that can meet all your fire protection needs.
We have been providing services to commercial, industrial and retail properties such as detention centers, courthouses, shopping centers, government facilities, and car manufacturing plants. Direct Fire works with customers to accommodate their schedules with minimal impact to their operations. The equipment we maintain for our customers encompasses a wide range of fire alarm panels – (from small simple panels to large, complex addressable systems) special hazard equipment, wet and dry sprinkler systems and portable fire extinguishers and fire hoses.

Next is a Supplier that serves the Vaughan, ON area and specializes in Plumbing General.

Dunn Heating and Air Conditioning

Cambridge, ON • Guelph, ON • Kitchener, ON • Waterloo, ON

Specialty Contractor

Residential

Heating Ventilating and Air Conditioning HVAC, Plumbing

Dunn Heating and Air Conditioning is one of the leading HVAC companies in Waterloo that provides a full range of HVAC services to cover all your home comfort needs across Waterloo and surrounding areas. Our long-standing reputation reflects our dedication to craftsmanship and customer care. With thousands of successful heating and cooling projects, our experience ensures your home’s comfort year-round.

Roba Stone Limited

Brantford, ON • Burlington, ON • Grimsby, ON • Haldimand, ON • Hamilton, ON • Lincoln, ON • Mississauga, ON • Norfolk, ON • Oakville, ON • St Catharines, ON • Ontario

Specialty Contractor

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

Architectural Design and Engineering, Brick Tiling, Concrete, Concrete Finishing, Concrete Paving, Concrete Tiling, Driveways, Earthwork, Excavation and Fill, Exterior Specialties, Fences and Gates, Grouting, Interior Design, Landscape Design and Engineering, Landscaping, Manufactured Masonry, Masonry, Masonry Flooring, Partitions, Pre Cast Concrete, Project Management, Project Management and Coordination, Refractory Masonry, Rough Carpentry, Scaffolding, Snow Control, Stone Assemblies, Stone Facing, Stone Retaining Walls, Stone Tiling, Tile, Tile Faced Panels, Traffic Control, Unit Masonry, Unit Masonry Retaining Walls, Wood Framing

We specialize in restoration and new construcion, servicing residential and commercial buildings and land. We offer masonry (brick, block, stone) services and full restoration maintenance.

Tri-County Glass Solutions of Cambridge Inc

Kitchener, ON

Specialty Contractor, Supplier

Commercial, Residential

All Glass Entrances and Storefronts, Aluminum Framed Entrances and Storefronts, Curtain Wall and Glazed Assemblies, Display Cases, Door and Window Hardware, Door Hardware, Doors and Frames, Glass and Glazing, Glass Countertops, Glass Glazing, Glazed Aluminum Curtain Walls, Glazed Bronze Curtain Walls, Glazed Composite Curtain Wall, Glazing Accessories, Glazing Surface Films, Glued Laminated Construction, Grilles and Screens, Metal Doors and Frames, Metal Windows, Mirrors, Plastic Glazing, Plastic Windows, Roof Windows, Roof Windows and Skylights, Security Mirrors and Domes, Sliding Entrances and Storefronts, Sliding Glass Doors, Sloped Glazing Assemblies, Specialty Doors and Frames, Steel Framed Entrances and Storefronts, Vents, Wall and Door Protection, Window Hardware, Windows, Wood Windows

Tri-County Glass Solutions of Cambridge Inc is a Specialty Contractor, Supplier that serves the Cambridge, ON area and specializes in All Glass Entrances and Storefronts, Aluminum Framed Entrances and Storefronts, Curtain Wall and Glazed Assemblies, Display Cases, Door and Window Hardware, Door Hardware, Doors and Frames, Glass and Glazing, Glass Countertops, Glass Glazing, Glazed Aluminum Curtain Walls, Glazed Bronze Curtain Walls, Glazed Composite Curtain Wall, Glazing Accessories, Glazing Surface Films, Glued Laminated Construction, Grilles and Screens, Metal Doors and Frames, Metal Windows, Mirrors, Plastic Glazing, Plastic Windows, Roof Windows, Roof Windows and Skylights, Security Mirrors and Domes, Sliding Entrances and Storefronts, Sliding Glass Doors, Sloped Glazing Assemblies, Specialty Doors and Frames, Steel Framed Entrances and Storefronts, Vents, Wall and Door Protection, Window Hardware, Windows, Wood Windows.

Tacoma Engineer

Ontario

Engineer

Commercial, Healthcare, Industrial and Energy, Residential

Project Management and Coordination

Tacoma  Engineer is a Engineer that serves the Waterloo, ON area and specializes in Project Management and Coordination.

Multi Turf Canada Inc

Ontario

Specialty Contractor

Commercial, Institutional, Residential

Athletic and Recreational Surfacing

Multi Turf Canada Inc is a Specialty Contractor that serves the Markham, ON area and specializes in Athletic and Recreational Surfacing.

401 Group Inc.

Brant, ON • Brantford, ON • Burlington, ON • Hamilton, ON • Innisfil, ON • Milton, ON • Mississauga, ON • Oshawa, ON • Pickering, ON • Toronto, ON • Whitby, ON

General Contractor

Commercial, Industrial and Energy, Infrastructure, Institutional, Residential

Access Flooring, Acoustic Ceilings, Aggregate Surfacing, Landscaping, Paving and Surfacing

401 Group Inc. is a General Contractor that serves the Toronto, ON area and specializes in Access Flooring, Acoustic Ceilings, Aggregate Surfacing, Landscaping, Paving and Surfacing.

ZW Management Inc.

ZW Management Inc. is a Consultant that serves the Ottawa, ON area and specializes in Project Management.

Dalmen Pro

Ottawa, ON

Specialty Contractor, Supplier

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

All Glass Entrances and Storefronts, Glass and Glazing

Dalmen Pro is a Specialty Contractor, Supplier that serves the Ottawa, ON area and specializes in All Glass Entrances and Storefronts, Glass and Glazing.

GPA Inc.

Richmond Hill, ON

Engineer, Supplier

Commercial, Industrial and Energy, Residential

HVAC General

GPA Inc. is a Engineer, Supplier that serves the Richmond Hill, ON area and specializes in HVAC General.

Iron Wolf Services

Toronto, ON

General Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional

Earthwork, Electrical, Landscape Design and Engineering, Landscaping

Iron Wolf Services is a General Contractor that serves the Rama, ON area and specializes in Earthwork, Electrical, Landscape Design and Engineering, Landscaping.

GLM Homes

Sault Ste Marie, ON

General Contractor

Commercial, Residential

General Construction Management

At GLM Homes, we design and build high‑performance modular homes that are smart, sustainable, and made for real life. Based in Ontario, Canada, our team combines thoughtful design with precision manufacturing to deliver homes and panelized building systems that are energy‑efficient, durable, and built faster than traditional construction.

Our modular homes are crafted in a controlled factory environment, which means fewer weather delays, consistent quality, and faster delivery to your site. Whether you’re dreaming of a cozy cottage, a modern family home, or a custom build, we work closely with you from concept to completion.

We offer flexible solutions for homebuyers, builders, and homeowners alike. From move‑in ready modular home models to high‑performance panels used for retrofits or custom builds, our products save time, cut energy costs, and help you meet today’s sustainability standards.

Energy efficiency and sustainability are at the core of what we do. Our homes use advanced insulation and airtight designs that can reduce energy use and help lower utility costs. Many of our builds are net‑zero ready and eligible for government incentives and programs.

We’re proud of our craftsmanship and community focus. From working with Indigenous communities to assisting homeowners across Ontario, we believe a better home means better living. When you choose GLM Homes, you’re choosing quality, innovation, and a partner you can trust.

BCN Flooring

BCN Flooring is a Specialty Contractor that serves the London, ON area and specializes in Flooring.

Diamond Rope Machines inc.

Alberta • British Columbia • Manitoba • New Brunswick • Newfoundland and Labrador • Nova Scotia • Ontario • Québec • Saskatchewan

Specialty Contractor

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

Cutting and Boring

Concrete Cutting & Sawing

Slab / floor sawing (trenching, strip-outs, controlled cuts)

Wall sawing (doors, windows, structural openings)

Wire sawing (thick reinforced concrete, mass concrete, complex shapes)

Specialty cutting for limited-access / live-site conditions

Concrete Coring

Core drilling for mechanical/electrical/plumbing penetrations

Large-diameter and rebar-heavy coring where required

GPR Scanning

Locating rebar/embeds/utilities (as needed)

Thickness verification and risk reduction before cutting

Controlled Demolition / Selective Removal

Segmentation + controlled removal of concrete structures/nodes

Coordination with site restrictions (noise/vibration/dust/water management, work windows)

Shakhes Namad Co

Richmond Hill, ON

Engineer, General Contractor

Industrial and Energy, Infrastructure

Access Flooring

Shakhes Namad Co is a Engineer, General Contractor that serves the Richmond Hill, ON area and specializes in Access Flooring.

Msaq Consulting

Toronto, ON

Consultant

Commercial

Information Management and Presentation

Msaq Consulting is a Consultant that serves the Toronto, ON area and specializes in Information Management and Presentation.

HECRA Painting

Burlington, ON • Hamilton, ON • Mississauga, ON • Oakville, ON

General Contractor

Residential

Curbs and Gutters

At HECRA Painting, we don't just apply paint; we transform spaces into vibrant reflections of your personality and style. Serving the communities of Oakville, Burlington, Georgetown, Mississauga, and Hamilton, our expert team specializes in interior and exterior painting, as well as cabinet refinishing. Whether you're looking to brighten up your living room, enhance your home's curb appeal, or modernize your kitchen cabinets, we use premium-quality materials and meticulous craftsmanship to bring your vision to life. 

Our commitment to excellence ensures a seamless and stress-free experience from start to finish. We take the time to understand your unique vision and use only premium-quality paints and materials to ensure a lasting finish. Our meticulous attention to detail and skilled craftsmanship guarantee a seamless and stress-free experience from start to finish. With deep roots in the communities we serve, we understand the unique needs of our community and are committed to serving it with integrity.

Civilgo Engineering

Toronto, ON

Engineer

Residential

Civil Design and Engineering

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

Anchor Hydro

Windsor, ON

Specialty Contractor

Commercial, Infrastructure, Residential

Electrical

Anchor Hydro is a Specialty Contractor that serves the Essex, ON area and specializes in Electrical.

AC Air Systems Inc.

Ontario

Specialty Contractor

Commercial, Industrial and Energy, Institutional

Heating Ventilating and Air Conditioning HVAC

AC Air Systems Inc. is a Specialty Contractor that serves the Burlington, ON area and specializes in Heating Ventilating and Air Conditioning HVAC.

Deluxe Kitchen and Bath

Ontario

Specialty Contractor

Commercial, Healthcare, Infrastructure, Institutional, Residential

Doors and Frames, Panel Doors, Specialty Doors and Frames, Wardrobe and Closet Specialties, Wood Doors and Frames, Wood Fences and Gates

Deluxe Kitchen and Bath is a Specialty Contractor that serves the Mississauga, ON area and specializes in Doors and Frames, Panel Doors, Specialty Doors and Frames, Wardrobe and Closet Specialties, Wood Doors and Frames, Wood Fences and Gates.

KTD Acoustics Ltd

Ajax, ON • Barrie, ON • Brampton, ON • Cambridge, ON • Greater Sudbury, ON • Guelph, ON • Halton Hills, ON • Hamilton, ON • Kingston, ON • London, ON • Markham, ON • Mississauga, ON • Niagara Falls, ON • Oshawa, ON • Ottawa, ON • Richmond Hill, ON • Toronto, ON • Vaughan, ON • Waterloo, ON • Whitby, ON • Whitchurch-Stouffville, ON • Windsor, ON • Ontario

Consultant

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

Acoustic Treatment, Assessments and Studies, Commissioning, Design and Engineering, Environmental Assessment, Existing Conditions Assessment, Sound Vibration and Seismic Control

KTD Acoustics is an acoustical consulting firm based in the Greater Toronto Area. KTD provides services throughout the design, construction, and commissioning of projects, including noise and vibration studies, architectural design reviews, and testing services for sound isolation, interior acoustics, and environmental noise/vibration. 

Rayson Electric Ltd

Ontario

Specialty Contractor

Commercial, Healthcare, Infrastructure, Institutional, Residential

Electrical

Founded in 2004, Rayson Electric Ltd. is a full-service electrical contractor that has proven to be very successful working on projects in residential, commercial and industrial developments regardless of the size or scale of the electrical work needed.  

Hamilton Smith Ltd

Belleville, ON • Kingston, ON • Oshawa, ON • Peterborough, ON

Engineer, General Contractor

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional

Heating Ventilating and Air Conditioning HVAC, HVAC General, Integrated Automation Systems For HVAC, Plumbing, Refrigerant Detection and Alarm

Hamilton Smith Ltd is a Engineer, General Contractor that serves the Belleville, ON area and specializes in Heating Ventilating and Air Conditioning HVAC, HVAC General, Integrated Automation Systems For HVAC, Plumbing, Refrigerant Detection and Alarm.

Spectech

Newmarket, ON

Consultant

Commercial, Healthcare, Industrial and Energy, Infrastructure, Institutional

Audio Video Communications, Communications, Electronic Security

Spectech is a Consultant that serves the Newmarket, ON area and specializes in Audio Video Communications, Communications, Electronic Security.

Kohn Partnership Architects

Toronto, ON

Architect

Commercial, Residential

Architectural Design and Engineering

Kohn Partnership Architects is a Architect that serves the Toronto, ON area and specializes in Architectural Design and Engineering.

BSG Mechanical Services Inc.

BSG Mechanical Services Inc. is a Engineer that serves the Oakville, ON area and specializes in HVAC General.

Seguro Aluminum Railings

Alberta • British Columbia • California • Florida • Manitoba • New Brunswick • New York • Nova Scotia • Ontario • Québec • Texas • Washington

Specialty Contractor

Commercial, Healthcare, Institutional, Residential

Decorative Metal Fences and Gates, Fences and Gates, Glass and Glazing, Grilles and Screens, Metal Fabrications

Seguro Aluminum Railings Inc. is based in Brampton, Ontario. We are proud to provide a secure quality product, competitive pricing, meet delivery and installation deadlines and continue to exceed our client expectations.

Our dedicated staff and team design, engineer, manufacture and install strong, secure and superior aluminum railings. Seguro's railing design is "Patented" in Canada and "Patented" in the United States.  Seguro is proud to announce supply of railings for projects in Fort Lauderdale FL and Brooklyn, New York.

After successfully undergoing extensive Miami Dade testing, Seguro is proud to announce that our "SR-P Aluminum Picket Railing has achieved "NOA" Approval for Miami Dade County, Florida.  Our SR-1 Glass Railing has overachieved the Miami Dade testing and has achieved "NOA" Approval for Miami Dade County, Florida

Seguro has achieved rapid growth since its inception and continues to excel and strive to be a rising and prominent competitor in the Aluminum Railing Industry in Canada and the United States.  Seguro is proud of the success and interest we experienced while exhibiting at the World of Concrete in Las Vegas, New York and the Homebuilders shows in Toronto.

At Seguro Aluminum Railings Inc., we continue to educate, research and develop our railings and system to bring our clients a secure, strong product that elevates the railings standards within the industry.

Kalpin Painting Inc.

Barrie, ON • Burlington, ON • Chatham-Kent, ON • Guelph, ON • Hamilton, ON • Kitchener, ON • London, ON • Muskoka Lakes, ON • Niagara Falls, ON • Norfolk, ON • Owen Sound, ON • Sarnia, ON • Vancouver, BC • Waterloo, ON • Windsor, ON • Ontario

Specialty Contractor, Supplier

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

Painting, Painting and Coatings, Textured Ceilings

Kalpin Painting Inc. specializes in providing top-quality painting services for residential, commercial, and industrial properties, handling projects of all sizes. Fully licensed and insured, we are committed to delivering exceptional results with professionalism and attention to detail. Also we have full bonding capabilities to support our projects

1000690203 ONTARIO INC

Ontario

Consultant, Engineer, Specialty Contractor

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

Applied Fire Protection, Fire Protection Engineering, Fire Protection Specialties, Fire Pumps, Fire Suppression, Fire Suppression Systems Insulation, Fire Suppression Water Storage

1000690203 ONTARIO INC is a Consultant, Engineer, Specialty Contractor that serves the Toronto, ON area and specializes in Applied Fire Protection, Fire Protection Engineering, Fire Protection Specialties, Fire Pumps, Fire Suppression, Fire Suppression Systems Insulation, Fire Suppression Water Storage.

Contractors in Ontario

9,078 Results

Godfrey Roofing Inc.

Servco

Orin Landscaping

Dynamic Energy Services Inc.

Triad Office Interiors

Tech BeyondIT Inc

No. Twelve Welding Company

T-Daniil's Contracting Ltd.

Dolyn construction

Direct Life Safety

Next

Dunn Heating and Air Conditioning

Roba Stone Limited

Tri-County Glass Solutions of Cambridge Inc

Tacoma Engineer

Multi Turf Canada Inc

401 Group Inc.

ZW Management Inc.

Dalmen Pro

GPA Inc.

Iron Wolf Services

GLM Homes

BCN Flooring

Diamond Rope Machines inc.

Shakhes Namad Co

Msaq Consulting

HECRA Painting

Civilgo Engineering

Anchor Hydro

AC Air Systems Inc.

Deluxe Kitchen and Bath

KTD Acoustics Ltd

Rayson Electric Ltd

Hamilton Smith Ltd

Spectech

Kohn Partnership Architects

BSG Mechanical Services Inc.

Seguro Aluminum Railings

Kalpin Painting Inc.

1000690203 ONTARIO INC

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