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List of Construction companies in Ontario

There are 7652 Construction companies in Ontario as of October 15, 2025; which is an 6.00% increase from 2023. Of these locations, 6958 Construction companies which is 90.93% of all Construction companies in Ontario are single-owner operations, while the remaining 694 which is 9.07% are part of larger brands. The top three cities with the most Construction companies are Toronto with 1083 Construction companies, Ottawa with 727 Construction companies, Mississauga with 534 Construction companies. Average age of Construction companies in Ontario is 4 years .

Construction companies are also establishing a strong digital presence across various platforms: 1026 have LinkedIn profiles, 2513 have Facebook Pages, 2211 are active on Instagram, 773 have X (formerly Twitter) handles, 121 are on TikTok, and 680 have YouTube channels. About 5679 Construction companies have their own website and the remaining 1985 don’t have their own website.

  • 2513

    Facebook Profiles

  • 2211

    Instagram Handles

  • 773

    X Handles

  • 121

    TikTok Profiles

  • 680

    YouTube Channels

Data updated on October 15, 2025
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Download list of Construction companies in Ontario

You can download Construction companies email and phone number lists. Here is a random sample of 10 records for you to look at. Contact our support team to get more details.

nameaddresscityState/TerritorycountryemailphoneReview CountRating ScoresurlFacebook ProfileInstagram HandleLinkedInTwitterWhatsAppYouTube
Harmony BasementsAddressVaughanOntarioCanadaEmailPhone524.5Link
Normerica Authentic Post-BeamAddressInnisfilOntarioCanadaEmailPhone00Link
ACH - A Cleanroom HubAddressMississaugaOntarioCanadaEmailPhone355Link
Nusens Niche ContractingAddressTorontoOntarioCanadaEmailPhone424.2Link
Magnum General ContractingAddressPickeringOntarioCanadaEmailPhone15Link
City Contractors incAddressTorontoOntarioCanadaEmailPhone135Link
Penguin Basements Renovations OakvilleOntarioCanadaEmailPhone00Link
Hebster Construction Inc.AlgomaOntarioCanadaEmailPhone00Link
Spike On Site SolutionsAddressTorontoOntarioCanadaEmailPhone94.7Link
Penguin Basements CambridgeCambridgeOntarioCanadaEmailPhone15Link
[
  {
    "name": "Harmony Basements",
    "address": "15**********",
    "phone": "********9039",
    "email": "in**@ha**********",
    "lat": 43.7941648,
    "lng": -79.5441541,
    "url": "ht**********",
    "country": "Canada",
    "state": "Ontario",
    "city": "Vaughan",
    "star_count": 4.5,
    "rating_count": 52,
    "category_name": "General contractors,Construction companies,Bathroom remodelers,Remodelers,Real Estate Builders & Construction Companies,Kitchen remodelers"
  },
  {
    "name": "Normerica Authentic Post-Beam",
    "address": "20**********",
    "phone": "********7449",
    "email": "in**@no**********",
    "lat": 44.2825549,
    "lng": -79.6752844,
    "url": "ht**********",
    "country": "Canada",
    "state": "Ontario",
    "city": "Innisfil",
    "star_count": 0,
    "rating_count": 0,
    "category_name": "Construction companies,Real Estate Builders & Construction Companies"
  },
  {
    "name": "ACH - A Cleanroom Hub",
    "address": "17**********",
    "phone": "********5721",
    "email": "in**@ac**********",
    "lat": 43.6412824,
    "lng": -79.6931267,
    "url": "ht**********",
    "country": "Canada",
    "state": "Ontario",
    "city": "Mississauga",
    "star_count": 5,
    "rating_count": 35,
    "category_name": "Interior construction contractors,Construction companies,Door manufacturers,Real Estate Builders & Construction Companies,Manufacturers"
  },
  {
    "name": "Nusens Niche Contracting",
    "address": "25**********",
    "phone": "********3670",
    "email": "cu**********@nu*******",
    "lat": 43.6374204,
    "lng": -79.5235612,
    "url": "ht**********",
    "country": "Canada",
    "state": "Ontario",
    "city": "Toronto",
    "star_count": 4.2,
    "rating_count": 42,
    "category_name": "Real Estate Builders & Construction Companies,Construction companies,Masonry contractors"
  },
  {
    "name": "Magnum General Contracting",
    "address": "13**********",
    "phone": "********4009",
    "email": "in**@ma**********",
    "lat": 43.8330938,
    "lng": -79.0884243,
    "url": "ht**********",
    "country": "Canada",
    "state": "Ontario",
    "city": "Pickering",
    "star_count": 5,
    "rating_count": 1,
    "category_name": "Construction companies,Real Estate Builders & Construction Companies"
  },
  {
    "name": "City Contractors inc",
    "address": "28**********",
    "phone": "********1733",
    "email": "bu*******@gm*******",
    "lat": 43.6627369,
    "lng": -79.5928126,
    "url": "ht**********",
    "country": "Canada",
    "state": "Ontario",
    "city": "Toronto",
    "star_count": 5,
    "rating_count": 13,
    "category_name": "Construction companies,Real Estate Builders & Construction Companies"
  },
  {
    "name": "Penguin Basements Renovations Oakville",
    "address": "",
    "phone": "********0649",
    "email": "in**@ba**********",
    "lat": 43.4479464,
    "lng": -79.6243815,
    "url": "ht**********",
    "country": "Canada",
    "state": "Ontario",
    "city": null,
    "star_count": 0,
    "rating_count": 0,
    "category_name": "Construction companies,Service establishments,Companies,Real Estate Builders & Construction Companies"
  },
  {
    "name": "Hebster Construction Inc.",
    "address": "",
    "phone": "********9309",
    "email": "ad***@he**********",
    "lat": 49.2717859,
    "lng": -84.7496361,
    "url": "ht**********",
    "country": "Canada",
    "state": "Ontario",
    "city": "Algoma",
    "star_count": 0,
    "rating_count": 0,
    "category_name": "Construction companies,Service establishments,Real Estate Builders & Construction Companies,Companies"
  },
  {
    "name": "Spike On Site Solutions",
    "address": "20**********",
    "phone": "********6232",
    "email": "in**@sp**********",
    "lat": 43.7010476,
    "lng": -79.3968134,
    "url": "ht**********",
    "country": "Canada",
    "state": "Ontario",
    "city": "Toronto",
    "star_count": 4.7,
    "rating_count": 9,
    "category_name": "Construction companies,Real Estate Builders & Construction Companies"
  },
  {
    "name": "Penguin Basements Cambridge",
    "address": "",
    "phone": "********3781",
    "email": "in**@ba**********",
    "lat": 43.4022994,
    "lng": -80.332588,
    "url": "ht**********",
    "country": "Canada",
    "state": "Ontario",
    "city": "Cambridge",
    "star_count": 5,
    "rating_count": 1,
    "category_name": "Real Estate Builders & Construction Companies,Companies,Service establishments,Construction companies"
  }
]

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How SmartScrapers Data Can Help You

SmartScrapers provides robust data solutions for businesses aiming to connect with Construction companies across various channels. Whether you need a Construction companies email list in Ontario or a Construction companies IG profile list in Ontario, our comprehensive database empowers you to create targeted outreach strategies. Below are the key ways our data can give you a competitive edge:

Email Marketing

With our Construction companies email list in Ontario, you can personalize your campaigns to resonate with owners, managers, and key decision-makers. This direct line of communication allows you to showcase promotions, introduce new products, or share relevant updates that drive engagement and conversions.

Cold Calling

Having a reliable Construction companies phone list in Ontario is essential for immediate and personalized conversations. SmartScrapers’ database provides verified contacts that help you quickly connect with the right people, saving you time and increasing your success rate with telephone outreach.

Mail Campaigns

Traditional mail still has its place in today’s digital world. Tap into our Construction companies mailing list in Ontario to send catalogs, brochures, or promotional offers directly to physical addresses. This tangible approach can cut through online clutter and create a lasting impression.

Instagram DM Outreach

Reach a visually driven audience using our Construction companies IG profile list in Ontario.

LinkedIn Outreach

If you’re seeking professional connections, our Construction companies LinkedIn profile list in Ontario is your gateway to building meaningful B2B relationships. Connect with owners, general managers, and marketing leaders on LinkedIn to propose partnerships, pitch your services, or explore collaborative opportunities.

Facebook Message Outreach

Leverage the ubiquity of Facebook to engage Construction companies on a platform familiar to millions of users. Our Construction companies Facebook profile list in Ontario allows you to initiate conversations through Facebook Messenger, share targeted ads, and gain valuable insights from user interactions.

By integrating these strategies, you’ll maximize your reach and ensure that your brand stands out in a crowded marketplace. SmartScrapers’ data makes it easier to connect with the right Construction companies, at the right time, through the right channel.

Target Construction companies on Paid Channels

You can also leverage the SmartScrapers database to create custom audiences on leading advertising platforms. By uploading our Construction companies email list in Ontario, Construction companies phone list in Ontario, or other relevant data, you can run highly targeted campaigns to reach Construction companies more effectively. Here’s how to target Construction companies on Facebook Ads, Instagram Ads, Google Ads, and YouTube:

Facebook Ads

Wondering how to target Construction companies on Facebook Ads? Simply upload your Construction companies contact list as a custom audience in Facebook Ads Manager. From there, you can create campaigns that speak directly to Construction companies owners and managers, ensuring your ads appear in front of the most relevant audience. You can also build lookalike audiences to expand your reach to similar prospects.

Instagram Ads

Wondering how to target Construction companies on Instagram Ads? Since Instagram shares its Ads Manager with Facebook, you can follow a similar process by uploading your Construction companies data. This allows you to place engaging visuals, Stories ads, or Reels ads directly in front of key decision-makers who frequently browse Instagram for the latest trends and collaborations.

Google Ads

If you’re exploring how to target Construction companies on Google Ads, you can upload your SmartScrapers’ list as a Customer Match audience in Google Ads. This makes it possible to show highly relevant display ads, text ads, or even shopping ads (if applicable) to Construction companies contacts. Additionally, you can build Similar Audiences based on your data to reach new, but similar, Construction companies leads.

YouTube

When figuring out how to target Construction companies on YouTube, use Google Ads’ video campaign features. By importing your custom audience list, you can display pre-roll or in-stream ads that speak directly to Construction companies professionals. This high-impact platform allows you to showcase compelling video content that resonates with a visually oriented audience.

By integrating custom audiences and leveraging the right messaging, you’ll create highly focused campaigns that appeal to Construction companies owners and managers. Whether you’re advertising on Facebook, Instagram, Google, or YouTube, SmartScrapers’ data helps you reach the right people, at the right time, with the right message.

Number of Construction companies locations by each city/area

City/AreaPopulationNumber Of Construction companies
Toronto 2.60M1083
Ottawa 812.13K727
Mississauga 668.55K534
Vaughan 306.23K453
Brampton 593.64K336
Markham 328.97K335
Hamilton 519.95K318
London 346.76K241
Richmond Hill 195.02K213
Oakville 193.83K198
Algoma -181
Burlington 183.31K158
Kitchener 256.88K158
Sudbury 157.86K140
Cambridge 129.92K123
Windsor 278.01K121
Kingston 114.19K107
Barrie 141.43K99
Guelph 115.76K95
Oshawa 166.00K94
Milton 132.98K87
St. Catharines 133.11K82
Waterloo 104.99K72
Thunder Bay 107.91K64
Pickering 91.77K58
King 6.97K47
Ajax 119.68K40
Niagara Falls 82.00K38
Chatham-Kent -36
Cornwall 48.82K33
Aurora 55.45K29
Durham -29
Brantford 87.76K25
Brant 34.41K24
Sarnia 72.13K21
Peterborough 81.03K18
East Gwillimbury 23.99K17
Innisfil 7.34K17
Kawartha Lakes -17
Kenora 15.10K15
Newmarket 84.22K15
North Bay 50.40K14
Welland 52.29K14
Bracebridge 16.01K13
Essex 7.45K13
Thorold 18.80K13
Woodstock 40.40K12
Clarence-Rockland 20.79K11
Belleville 50.72K10
Fort Erie 30.71K10
Gravenhurst 12.31K10
Prince Edward 25.50K10
Uxbridge 21.18K10
Norfolk County 60.85K9
Orillia 31.17K9
Quinte West 43.58K9
Amherstburg 13.91K8
Haldimand County -8
Timmins 41.79K8
Dorchester 9.33K7
Huntsville 19.82K7
Orangeville 30.73K7
Russell 4.46K7
Collingwood 21.79K6
St. Thomas 38.91K6
Wellesley 3.25K6
Brockville 23.89K5
Fort Frances 7.74K5
Hawkesbury 10.26K5
Midland 24.35K5
Napanee 15.89K5
Tweed 1.70K5
Gananoque 5.46K4
Greenstone 4.64K4
Port Colborne 18.31K4
Delaware 2.52K3
Lambton Shores 10.63K3
North Perth 13.13K3
Petawawa 17.19K3
Port Hope 12.59K3
Stratford 31.46K3
Timiskaming District -3
Cobourg 18.10K2
Plantagenet 9.68K2
Smiths Falls 8.88K2
South Huron 9.98K2
Wasaga Beach 20.68K2
Winchester 2.39K2
Arnprior 8.79K1
Carleton Place 11.90K1
Deseronto 1.90K1
Greater Napanee 7.44K1
Ingersoll 12.76K1
Iroquois Falls 4.23K1
Kincardine 6.72K1
Leamington 32.99K1
Limoges 2.05K1
Meaford 4.91K1
Owen Sound 21.34K1
Parry Sound 6.32K1
Pembroke 13.88K1
Prescott 4.47K1
Rainy River District -1
Renfrew 8.22K1
Tobermory 1.43K1

How many Construction companies are there in Ontario?

There are a total of 7652 Construction companies in Ontario as of October 15, 2025.

Number of Construction companies in Ontario with Phone Number

7377

Number of Construction companies in Ontario with Email

2524

List of Construction companies in Ontario with Social Media Accounts

2513

Facebook Profiles

2211

Instagram Handles

1026

LinkedIn Profiles

773

X Handles

121

TikTok Profiles

57

WhatsApp Numbers

680

YouTube Channels

Download sales qualified leads of Construction companies in the Ontario

Download this data in CSV, Esri Shapefile, Excel, GeoJSON, or KML
(Google Earth) file formats.

Related Construction companies Leads By Location

Data of Construction companies in Ontario with/without Website

Download the list of Construction companies in Ontario as of October 15, 2025 with and without website information.

5679

Number of Construction companies in Ontario with website

1985

Number of Construction companies in Ontario without website

List of Construction companies in Ontario By Ratings

Download the data of the number of star-rated Construction companies in Ontario as of October 15, 2025.

148

Number of 1 star-rated Construction companies in Ontario

57

Number of 2 star-rated Construction companies in Ontario

282

Number of 3 star-rated Construction companies in Ontario

635

Number of 4 star-rated Construction companies in Ontario

4306

Number of 5 star-rated Construction companies in Ontario

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The total number of Construction companies in Ontario is 7652.

Smartscrapers is your go-to platform to get authentic and reliable data on Construction companies in Ontario at an affordable price.

You can download the complete dataset of sales qualified leads of Construction companies in Ontario once you purchase it.

Absolutely! Smartscrapers enables you to download a sample dataset directly from the corresponding webpage.

You can download the data in CSV, Esri Shapefile, Excel, GeoJSON, or KML (Google Earth) file formats.

The price of Construction companies in Ontario dataset costs $149.

There are 7377 Construction companies in Ontario with phone numbers.

There are 2524 Construction companies in Ontario with email addresses.

There are 2642 Construction companies in Ontario with both phone numbers and email lists.

There are 1026 Construction companies in Ontario with LinkedIn Profiles.

There are 2513 Construction companies in Ontario with Facebook Profiles.

There are 2211 Construction companies in Ontario with Instagram Handles.

There are 773 Construction companies in Ontario with X Handles.

There are 121 Construction companies in Ontario with TikTok Profiles.

There are 680 Construction companies in Ontario with YouTube Channels.

There are 57 Construction companies in Ontario with WhatsApp Numbers.

The total count of Construction companies in Ontario with a website is 5679.

The total count of Construction companies in Ontario without a website is 1985.

There are 4306 5-star rated Construction companies in Ontario.

There are 635 4-star rated Construction companies in Ontario.

There are 282 3-star rated Construction companies in Ontario.

There are 57 2-star rated Construction companies in Ontario.

There are 148 1-star rated Construction companies in Ontario.

The average age of Construction companies in Ontario is 4 years .

Toronto, Ottawa, and Mississauga are the top 3 cities with the most number of Construction companies in Ontario. Toronto leads at the top with 1083 Construction companies, at 14.15%. Ottawa follows with 727 Construction companies, at 9.50%. Mississauga comes third with 534 Construction companies, accounting for 6.98% of its total.

Toronto, with the most number of Construction companies, is the best city for Construction companies in Ontario. It tops with 1083 Construction companies, which is 14.15% of the total Construction companies in Ontario.

By uploading our dataset on Construction companies, you can effortlessly reach the right target audience, optimize your ad campaigns, and increase your conversion rate.

By uploading our dataset on Construction companies, you can effortlessly reach the right target audience through Google Ads, optimize your ad campaigns, and maximize your ROI.

With the email addresses of Construction companies, you can reach your audience directly, ensuring your messages land in the inboxes of potential customers, leading to increased engagement and conversion rates.

Whether for cold calling campaigns or personalized messaging, having accurate phone numbers allows you to establish meaningful connections.

The mailing address data of Construction companies ensures that your promotional materials reach the hands of potential customers, driving engagement and brand recognition.