List of Medical laboratories in Ontario
Ontario has 880 medical laboratories in this dataset, last verified September 9, 2026. It is the second-largest market for medical laboratories in Canada, holding 37% of the national total, behind Quebec (905) and ahead of British Columbia (300).
Email reach in Ontario runs above the national rate: 411 medical laboratories (46.7%) include an email address, against 38.6% across Canada. Phone coverage sits at 90% (792 records), above the national 81.9%, and 403 records carry both.
83.8% of medical laboratories in Ontario have a website, above the national average of 72.1%. Only 143 lack a site, so pitch redesigns and SEO rather than first-time builds.
Among the 683 rated medical laboratories in Ontario, 17% hold a 5-star average, well below the national figure of 29%. 157 are rated 1 to 2 stars (23% of rated businesses, well above the national 18%), a natural shortlist for reputation management and review software.
Social Media Reach
489
216
452
416
YouTube
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Medical laboratories List in Ontario
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| LOGO | Business Name | Address | City | State | Country | Phone | Website | Reviews | Rating | FB | IG | LI | YT | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | LifeLabs Medical Laboratory Services | Address | Port Colborne | Ontario | Canada | Email | Phone | 47 | 4.3 | — | |||||
 | COVID, Cold and Flu Care and Testing Clinic | Address | Mississauga | Ontario | Canada | Email | Phone | — | 6 | 4.7 | — | — | — | — | |
 | FlowLabs Oshawa | Address | Oshawa | Ontario | Canada | Email | Phone | 6 | 2.5 | — | |||||
 | COVID-19 Assessment Centre | Address | Rockland | Ontario | Canada | Email | Phone | 4 | 2.5 | — | |||||
 | Dynacare Laboratory and Health Services Centre | Address | Parry Sound | Ontario | Canada | Email | Phone | 23 | 5 | ||||||
Stem Core Laboratories | Address | Ottawa | Ontario | Canada | Email | Phone | 0 | 0 | — | — | — | — | |||
 | Gam Diagnostic Imaging (GDI)- Hospital Gate X-Ray & Ultrasound | Address | Oakville | Ontario | Canada | Email | Phone | 187 | 2.7 | — | — | — | — | ||
COVID-19 Vaccine Location-Town Of Halton Hills Gellert Community Centre | Address | Georgetown | Ontario | Canada | Email | Phone | — | 2 | 5 | — | — | — | — | ||
 | Derma Research Group | Address | Guelph | Ontario | Canada | Email | Phone | — | 0 | 0 | — | — | — | — | |
COVID-19 Vaccine Location-Ottawa City Hall | Address | Ottawa | Ontario | Canada | Email | Phone | — | 0 | 0 | — | — | — | — | ||
 | Med-Health Laboratories Ltd. | Address | St. Catharines | Ontario | Canada | Email | Phone | 188 | 3.8 | — | — | — | — | ||
 | COVID-19 vaccine location - W.J. Henderson Recreation Centre | Address | Amherstview | Ontario | Canada | Email | Phone | — | 0 | 0 | — | — | — | — | |
 | Lifelabs | Address | Guelph | Ontario | Canada | Email | Phone | 128 | 3.6 | — | |||||
 | LifeLabs Medical Laboratory Services | Address | Hamilton | Ontario | Canada | Email | Phone | 244 | 3.8 | — | |||||
 | LifeLabs | Address | Guelph | Ontario | Canada | Email | Phone | 123 | 3.9 | — |
This is a randomized preview — the full database contains 880 records with complete field coverage.
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880 verified records — emails, phones, social profiles and more. One-time payment, instant download.
What You Can Do with the List of Medical laboratories in Ontario
This list is built for teams that sell to medical laboratories: medical supply distributors, practice software vendors, billing services and healthcare staffing agencies. It covers 880 medical laboratories in Ontario, with the fields to call, email, segment and map them.
Who Sells to Medical laboratories in Ontario
Each of these buyers can work the 880 businesses in this list as a pipeline for a different product:
- Medical and dental supply distributors: Open accounts with the 880 medical laboratories in Ontario for consumables, instruments and equipment.
- Practice management and EHR software: Pitch scheduling, patient records and billing systems to independent practices.
- Medical billing and credentialing services: Offer to take claims, coding and payer enrollment off the front desk.
- Healthcare staffing agencies: Place nurses, medical assistants and front-office staff.
Phone, Contact Form and Facebook Outreach in Ontario
Start with the 403 records that list both a phone number and an email address, then widen out channel by channel:
- Cold calling (792): 90% of records include a phone number for call campaigns, appointment setting and follow-ups.
- Website contact forms (588): businesses with a contact page URL give you another way in when no email is listed.
- Facebook messages (489): 55.6% have a Facebook page, a further channel when calls and emails go unanswered.
- CRM import: CSV and Excel files load into HubSpot, Salesforce, Zoho or Pipedrive, with city, state and postal code columns for assigning leads to reps.
Prospect Segments for Agencies in Ontario
Filter the website, rating and social columns to pull the medical laboratories that fit a specific service before you pitch:
- No website listed (143): 16% of medical laboratories in Ontario have no website on record, a direct prospect list for web designers and local SEO agencies.
- Rated 1 to 2 stars (157): businesses with poor Google ratings, prospects for reputation management and review generation services.
Prioritize Cities Across Ontario
Rank areas inside Ontario by record count before sending reps out:
- Postal code patches: records include postal codes, so each rep can get a compact patch with no overlapping accounts.
- Route planning: records include latitude and longitude, so you can map accounts and plan visit days around clusters.
Data Coverage for Medical laboratories in Ontario
880 records · verified September 9, 2026
- Phone numbers
- 792
- Email addresses
- 411
- Phone and email
- 403
- Websites
- 737
Google ratings· 683 rated (78%)
17% hold 5 stars
- 1-star rated
- 27
- 4% of rated
- 2-star rated
- 130
- 19% of rated
- 3-star rated
- 295
- 43.2% of rated
- 4-star rated
- 114
- 16.7% of rated
- 5-star rated
- 117
- 17.1% of rated
Social profiles:
- Facebook:489· 55.6%
- LinkedIn:452· 51.4%
- YouTube:416· 47.3%
- Instagram:216· 24.5%
- X (Twitter):195· 22.2%
Medical laboratories in Ontario are a mixed-channel, Facebook-heavy market: 90% list a phone number and 46.7% publish an email. Among 683 rated medical laboratories, 17% hold 5 stars, a more even spread, so ratings separate businesses meaningfully.
Related Medical laboratories by Location
Browse datasets for Medical laboratories across nearby locations
Frequently asked questions about Medical laboratories in Ontario
Everything you need to know about our medical laboratories database for Ontario: data quality, coverage, freshness, pricing, and formats. Last updated September 9, 2026.
How many Medical laboratories are there in Ontario?
There are 880 medical laboratories in Ontario in our verified database, as of September 9, 2026.
This covers independent operators, regional chains, and enterprise-scale businesses, across every city in Ontario, for sales prospecting, competitive research, and territory planning.
How up to date is the Medical laboratories data for Ontario?
This dataset was last updated in September 9, 2026.
Business contact data decays at roughly 2–3% per month as businesses close, move, or change details, so we re-verify our most-purchased datasets on a rolling basis.
Every file is also run through email verification before delivery, and past buyers are offered discounted refreshed versions as updates ship.
What fields are included in the Medical laboratories database for Ontario?
Each record can include: business name, full address, phone number, email address, website URL, social profiles (LinkedIn, Facebook, Instagram, YouTube, X), review ratings, and category details, plus contact-page URLs where available.
Field coverage varies by record; the counts below and the free sample show you exactly what to expect before buying.
Where can I buy verified market intelligence data for Medical laboratories businesses in Ontario?
InfiniteLeadsHub provides verified market intelligence datasets for medical laboratories businesses in Ontario as a one-time purchase with no subscription.
Ideal for market research, sales planning, and business development.
How much does the Medical laboratories database for Ontario cost?
The complete medical laboratories leads database for Ontario costs $10 as a one-time payment.
You get instant access to all 880 records with no recurring fees, no per-record charges, and no seat limits.
It is a cost-effective alternative to subscription platforms that charge monthly for the same public business data.
Is this a cheaper alternative to subscription lead databases like ZoomInfo or Apollo?
Yes. For teams that need medical laboratories contacts in Ontario specifically, a one-time $10 file is usually far cheaper than subscription platforms, which typically charge thousands of dollars per year with contracts and per-seat pricing.
Subscriptions make sense for large sales teams needing continuous multi-industry access; a one-time targeted list makes sense when you know exactly which niche and geography you're selling into.
Can I preview a sample of the Medical laboratories data before buying?
Yes. A free sample dataset is available so you can evaluate data quality, field coverage, and format before purchasing.
The sample is a representative slice of the full Ontario medical laboratories database, including contact fields, social profiles, and ratings data.
How do I download the Medical laboratories list, and what file formats are available?
You get instant access after purchase. Files are delivered in CSV and Excel (XLSX) formats.
CSV and Excel import directly into CRMs like Salesforce, HubSpot, and Zoho and into any email platform.
How many Medical laboratories in Ontario have phone numbers?
792 medical laboratories in Ontario (90% of the database) include a phone number.
That makes the dataset effective for cold calling, telemarketing, and appointment setting campaigns.
How many Medical laboratories in Ontario have email addresses?
411 medical laboratories in Ontario (47%) include an email address.
Email remains one of the highest-ROI B2B outreach channels, making this subset ideal for cold email sequences, product announcements, and drip campaigns.
How many Medical laboratories in Ontario have both a phone number and an email address?
403 medical laboratories in Ontario have both a phone number and an email address.
Dual-contact records enable multi-channel outreach: combining calls with email follow-ups measurably improves response rates.
How many Medical laboratories in Ontario are active on social media?
Social profile coverage for medical laboratories in Ontario: 452 on LinkedIn, 489 on Facebook, 216 on Instagram, 416 on YouTube, 195 on X (Twitter).
Social presence signals digitally engaged businesses, which is useful for agencies pitching social media services, ad platforms building audiences, and vendors targeting digitally mature prospects.
How many Medical laboratories in Ontario have a website?
737 medical laboratories in Ontario (84%) have an active business website.
That is an indicator of digital maturity, and an ideal segment for SEO agencies, hosting providers, and SaaS platforms.
How many Medical laboratories in Ontario do not have a website?
143 medical laboratories in Ontario operate without a business website.
These are high-intent, overlooked prospects for web design agencies, local SEO providers, and Google Business optimization services.
What are the review ratings of Medical laboratories in Ontario?
Rating breakdown for medical laboratories in Ontario: 117 with a 5-star rating, 114 with a 4-star rating, 295 with a 3-star rating, 130 with a 2-star rating, 27 with a 1-star rating.
Top-rated businesses suit premium services and partnership proposals; lower-rated businesses are receptive prospects for reputation management, review tools, and operational software.
Can I get Medical laboratories data for other states or the entire US?
Yes. The national Medical laboratories database covers all 50 US states, and individual state and major-city lists are also available.
If you buy Ontario first, contact us and we'll credit your purchase toward the national upgrade.
Most multi-state buyers save money going national.
Is the Medical laboratories contact data in Ontario legal to use for B2B outreach?
Yes. All data is sourced exclusively from publicly available information: Google Business listings, company websites, social media profiles, and public business directories.
This is business contact information, not personal consumer data, making it appropriate for B2B prospecting.
We recommend following applicable regulations such as CAN-SPAM (US), CASL (Canada), and GDPR (EU-targeted campaigns) so your outreach remains fully compliant.