These Canadian organizations conduct in-house research and development. The list includes large corporations like Magna International, a motor vehicle parts manufacturer, and TELUS, a telecommunications provider. Other notable entities are Thomson Reuters, offering information tools for professionals, and Bombardier, a designer and manufacturer of business jets. The presence of several universities, such as the University of Toronto and the University of British Columbia, indicates a strong academic contribution to R&D. Shopify, founded in 2006, represents the younger technology firms.
A significant pattern is the geographical distribution of these R&D-intensive organizations. Toronto and Montreal emerge as major hubs, hosting a substantial number of headquarters. Vancouver also features prominently, with companies like TELUS and lululemon, alongside the University of British Columbia. This concentration suggests key areas for technological and academic development across Canada.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Magna Internationalmagna.com
Developing technologies and systems to make vehicles safer and cleaner, focusing on community, environmental, and human benefits. |
158,000 | |||
| 2 | 38,236 | ||||
| 3 |
Thomson Reutersthomsonreuters.com
It offers news and information tools for professionals in legal, regulatory, and tax sectors, helping them navigate complex environments. |
36,640 | |||
| 4 |
Bombardierbombardier.com
A global leader in designing, manufacturing, and servicing exceptional business jets with innovative cabin design, performance, and reliability for diverse clientele worldwide |
30,000 | |||
| 5 |
University of Torontodefygravitycampaign.utoronto.ca
Leading Canadian university focused on research, innovation, and global education to address pressing societal challenges and prepare students for success |
28,832 | |||
| 6 |
Shopifyshopify.com
Provides trusted tools to start, grow, market, and manage a retail business of any size, powering millions of businesses across 175 countries. |
28,526 | |||
| 7 |
lululemoncorporate.lululemon.com
A lifestyle inspired athletic apparel company that creates transformational products for yoga, running, training, and other sweaty pursuits |
25,212 | |||
| 8 |
The University of British Columbiaubc.ca
a global center for research and teaching, consistently ranked among the top 20 public universities worldwide. |
25,036 | |||
| 9 |
OpenTextopentext.com
It specializes in Information Management, assisting businesses of all sizes in securely capturing, governing, and exchanging information globally. |
22,990 | |||
| 10 |
Hydro Québechydroquebec.com
Production, transmission, and distribution of electricity primarily from renewable hydroelectric sources, including research and technology development in energy efficiency. |
16,160 | |||
| 11 |
Celesticacelestica.com
Global leader in providing design, manufacturing, and supply chain solutions for aerospace, defense, communications, healthtech, and more, delivering innovative solutions for complex challenges |
16,022 | |||
| 12 |
Université de Montréalumontreal.ca
Leading higher education institution in Quebec with extensive alumni network, affiliated schools, and recognized as a top Canadian employer. |
12,234 | |||
| 13 |
University of Ottawauottawa.ca
The company is the largest bilingual university in the world, offering education in English and French with a focus on research and global advancements |
12,220 | |||
| 14 | 12,199 | ||||
| 15 |
University Health Networkuhn.ca
Largest Canadian research hospital network specializing in patient care, medical research, education, and fundraising for advanced healthcare services. |
11,930 | |||
| 16 |
Provincial Health Services Authorityphsa.ca
Coordination and delivery of specialized provincial health services including hospitals, emergency, cancer, transplant, and disease control programs across BC. |
11,766 | |||
| 17 |
Nova Scotia Health Authoritynshealth.ca
Providing healthcare services across urban and rural areas, partnering with communities to promote health, healing, research, and learning. |
10,981 | |||
| 18 |
Ontario Power Generationopg.com
Leading clean power generator advancing clean energy innovations, striving for a net-zero future with diverse electricity generation fleet in Ontario and the United States |
9,878 | |||
| 19 |
Université Lavalulaval.ca
This organization is a French-language university that trains individuals, fosters knowledge, promotes change, and contributes to societal advancement through research and development |
9,785 | |||
| 20 | 9,204 | ||||
| 21 |
Unity Health Torontounityhealth.to
A health network in Toronto providing primary, community, specialized, and long-term care services, as well as investing in research and education |
8,686 | |||
| 22 |
The Hospital for Sick Childrensickkids.ca
Leading pediatric hospital integrating patient care, research, and education to advance children's health and develop innovative treatments globally. |
8,636 | |||
| 23 |
Toronto Metropolitan Universitytorontomu.ca
Innovative urban university in Toronto, focusing on creativity, entrepreneurship, inclusivity, and global community engagement to serve societal needs |
8,478 | |||
| 24 |
Aritziaaritzia.com
Design house creating Everyday Luxury with exclusive brands, premium fabrics, meticulous construction, and timeless style while prioritizing people and planet |
8,295 | |||
| 25 |
Simon Fraser Universitysfu.ca
A leading university in Canada delivering world-class education, fostering innovation, and connecting research to real-world solutions for global impact |
7,773 | |||
| 26 |
University of Guelphuoguelph.ca
Dedicated to improving quality of life through innovative research and education in essential areas like water, food, health, and environment |
7,725 | |||
| 27 |
The Ottawa Hospitalottawahospital.on.ca
Innovative teaching and research hospital providing specialized care, developing new treatments, and improving patient care through community engagement and global impact |
7,679 | |||
| 28 |
Sunnybrooksunnybrook.ca
A leading teaching hospital affiliated with the University of Toronto, specializing in patient care, groundbreaking research, and inventing the future of healthcare |
7,599 | |||
| 29 |
London Health Sciences Centre (LHSC)lhsc.on.ca
Acute care teaching hospital offering specialized clinical services, leading in discovery and innovation, providing exceptional patient care and training healthcare professionals |
7,092 | |||
| 30 |
Nutriennutrien.com
A global leader in agricultural nutrients and solutions, providing products, services, and innovative technology to help growers maximize yields sustainably |
7,043 | |||
| 31 |
Environment and Climate Change Canadacanada.ca
Inform Canadians on environmental protection, implement clean growth framework, collaborate with partners, conduct research, develop policies, enforce laws. |
6,865 | |||
| 32 |
Hamilton Health Scienceshamiltonhealthsciences.ca
Healthcare organization delivering specialized cardiac, stroke, trauma, cancer, palliative, and pediatric care to southwestern Ontario and beyond. |
6,690 | |||
| 33 |
Linamar Corporationlinktr.ee
Advanced manufacturing company specializing in solutions for vehicles, motion, work, and lives Comprised of Industrial and Mobility segments, with global reach and innovative products |
6,668 | |||
| 34 |
UQAM | Université du Québec à Montréaluqam.ca
A public French-language university known for quality programs, social research, and innovation in creative arts, offering training on campus and regional centers |
6,602 | |||
| 35 |
Apotex Inc.apotex.com
A global pharmaceutical company producing affordable high-quality medicines, with divisions focusing on generics, biosimilars, consumer products, and API manufacturing |
6,548 | |||
| 36 |
University of Victoriauvic.ca
Leading university on Canada's West Coast focused on innovation, engagement, and respect for knowledge to address global challenges. |
6,493 | |||
| 37 |
Cenovus Energycenovus.com
An integrated energy company, operations include oil sands, crude oil, natural gas projects, and downstream upgrading, refining, and marketing across North America, Asia Pacific. |
6,363 | |||
| 38 |
ALDO Groupaldogroup.com
A leading fashion retailer specializing in stylish and accessible footwear and accessories, with a strong commitment to social responsibility and sustainability |
6,136 | |||
| 39 |
Martinrea Internationalmartinrea.com
Global automotive supplier focused on metal forming, aluminum casting, fluid systems, and assemblies to meet lightweight requirements Employs 18,000 people worldwide |
5,692 | |||
| 40 |
Fisheries and Oceans Canada / Pêches et Océans Canadadfo-mpo.gc.ca
Manage fisheries and aquaculture sustainably, protect aquatic ecosystems, maintain navigable waterways, and respond to maritime emergencies with Indigenous collaboration. |
5,665 | |||
| 41 |
ATS Corporationatsautomation.com
A manufacturing solutions provider with global capabilities, specializing in custom automation systems for industries such as life sciences, food & beverage, transportation, and energy |
5,287 | |||
| 42 |
Conestoga Collegeconestogac.on.ca
career-focused education, training, applied research, technology-enhanced learning, co-op opportunities, and comprehensive student support for diverse learners. |
5,198 | |||
| 43 |
Sheridan Collegesheridancollege.ca
Established in 1967, this institution has grown to become a leading Ontario postsecondary institution with four campuses and a diverse range of programs |
5,079 | |||
| 44 |
Cascadescascades.com
Leading sustainable solutions provider for packaging, hygiene, and recovery needs with 75 production units in North America, prioritizing innovation and environmental well-being |
5,046 | |||
| 45 |
St. Michael's Hospitalunityhealth.to
A leading hospital providing compassionate care, medical education in 27 disciplines, and research through the Keenan Research Centre for global impact |
4,868 | |||
| 46 |
Centre universitaire de santé McGill | McGill University Health Centrecusm.ca
An internationally recognized academic health institution providing excellent clinical programs, research, and teaching to advance patient care and knowledge in healthcare |
4,668 | |||
| 47 |
Natural Resources Canada (NRCan)natural-resources.canada.ca
A department of the Government of Canada focused on advancing sustainable resource management, economic growth, and environmental stewardship through innovative policies and programs |
4,579 | |||
| 48 |
CHUM - Centre hospitalier de l'Université de Montréalchumontreal.qc.ca
Provides general, specialized, and highly specialized care to adult patients, conducts research, offers teaching, and promotes health to 40% of Quebec's population. |
4,507 | |||
| 49 | 4,478 | ||||
| 50 | 4,477 | ||||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 51 |
Imperial Oilimperialoil.ca
A Canadian energy company leading in technology and innovation, specializing in petroleum refining, crude oil production, natural gas, petrochemicals, and fuel marketing |
4,372 | |||
| 52 |
LifeLabs Medical Laboratory Serviceslifelabs.com
A leading Canadian provider of diagnostic information and digital health systems, offering laboratory tests, genetics services, and online patient portals |
4,356 | |||
| 53 |
William Osler Health Systemwilliamoslerhs.ca
Health system with three hospitals serving 13 million residents, providing a wide range of services including inpatient, outpatient, urgent care, and specialty clinics |
4,350 | |||
| 54 |
University of Windsoruwindsor.ca
A student-focused university offering undergraduate and graduate programs, professional schools, and innovative research facilities, promoting diversity and excellence in education |
4,284 | |||
| 55 |
Sinai Healthsinaihealth.ca
A leading academic health science centre focused on integrated care, innovative research, and educating future healthcare leaders for comprehensive patient care |
4,083 | |||
| 56 |
ABC Technologiesabctechnologies.com
A global leader in plastics and injection molding technology for the automotive industry, focusing on innovation, sustainability, and creating career opportunities |
4,059 | |||
| 57 |
CIUSSS de la Capitale-Nationaleciusss-capitalenationale.gouv.qc.ca
A healthcare organization in Capitale-Nationale region with over 16,000 employees serving 736,000 citizens, offering general, specialized, research, and education services in health and social services |
4,022 | |||
| 58 |
British Columbia Institute of Technologybcit.ca
A leading post-secondary institution in British Columbia offering practical career credentials, degrees, diplomas, and certificates in various fields Engages in applied research to drive the economy |
3,851 | |||
| 59 |
Providence Health Careprovidencehealthcare.org
Faith-based health care organization in Canada providing compassionate care across 17 sites for heart, lung, HIV/AIDS, mental health, renal, seniors, and urban populations |
3,828 | |||
| 60 |
Lakeridge Healthlakeridgehealth.on.ca
A comprehensive healthcare provider with multiple hospitals, specialty centers, and community services, committed to delivering high-quality care to the region |
3,760 | |||
| 61 |
CHU de Québecchudequebec.ca
Leading healthcare institution in Quebec, providing general, specialized, and super-specialized care to nearly two million people Strong focus on education, research, and technological advancements in health |
3,643 | |||
| 62 |
NAIT (Northern Alberta Institute of Technology)nait.ca
A leader in hands-on education, NAIT prepares graduates for in-demand careers in various industries through industry-driven programs, apprenticeship training, and research |
3,601 | |||
| 63 |
Enerflex Ltd.enerflex.com
Global provider of energy infrastructure and transition solutions, specializing in natural gas, low-carbon, and water treatment solutions for a sustainable future |
3,578 | |||
| 64 |
Lightspeed Commercelightspeedhq.com
cloud-based platform unifies online and physical retail operations, multichannel sales, global payments, financing, and supplier network connections for merchants worldwide |
3,574 | |||
| 65 |
General Dynamics Land Systemsgdls.com
Design development production support enhancement of tracked and wheeled military vehicles including Abrams tank, Stryker, LAV, AJAX armored vehicles. |
3,536 | |||
| 66 |
CSA Testing & Certificationcsagroup.org
Development of safety and technical standards combined with global testing, inspection, and certification services for diverse industries. |
3,522 | |||
| 67 |
Arc'teryx Equipmentarcteryx.com
Design and manufacture durable, high-performance outdoor gear focused on minimalist solutions for extreme conditions and diverse global customers. |
3,475 | |||
| 68 |
CIUSSS du Nord-de-l'île-de-Montréalciusssnordmtl.ca
A healthcare organization providing services to over 450,000 residents in Montreal and specialized care to 18 million Quebecers, focusing on research, education, and innovation in health |
3,376 | |||
| 69 |
Pomerleaupomerleau.ca
A leading Canadian construction company specializing in building, infrastructure, and civil engineering projects, integrating innovations and sustainability practices |
3,339 | |||
| 70 |
CIUSSS de l'Ouest-de-l'Île-de-Montréalciusss-ouestmtl.gouv.qc.ca
The Montréal West Island IUHSSC provides health and social services to a population of 370,000 with over 10,500 employees and a budget of $905M |
3,337 | |||
| 71 |
C&S ELECTRIC LTD.cselectric.co.in
Leading Indian manufacturer, exporter of electrical and electronic equipment, including switchgear, switchboards, busducts, and protection devices, for global power applications. |
3,255 | |||
| 72 |
Durham Collegedurhamcollege.ca
Durham College offers full-time and part-time programs in various disciplines to over 12,000 students, including a new health care technology management degree program |
3,210 | |||
| 73 |
Geotabgeotab.com
Provides connected vehicle, asset management solutions. Leverages data analytics, AI to transform fleet performance, operations, reducing costs, driving efficiency for over 55,000 customers. |
3,167 | |||
| 74 |
ArcelorMittal Dofascodofasco.arcelormittal.com
Leading manufacturer in North America's supply chain, producing sustainable steel products for automotive, energy, packaging, and construction industries, prioritizing employees and community engagement |
3,136 | |||
| 75 |
1Password1password.com
Protects business data, employee accounts, and sensitive information with secure access, sharing, and integration into existing systems. |
3,074 | |||
| 76 |
Leclerc Foodsleclerc.ca
A family-owned agrifood company with over a century of experience, specializing in cookies, snack bars, and crackers known for quality ingredients and customer satisfaction |
3,062 | |||
| 77 |
Ensign Energy Servicesensignenergy.com
A global leader in oilfield services, specializing in land-based drilling and well servicing with a focus on safety, innovation, and exceptional customer experience |
3,047 | |||
| 78 |
St. Joseph's Healthcare Hamiltonstjoes.ca
A values-based academic health science centre affiliated with McMaster University and Mohawk College, committed to providing integrated, compassionate care and advancing research and education |
2,983 | |||
| 79 |
Conestoga Collegeon.ca
A leader in polytechnic education offering career-focused programs, engineering degrees, and support services while promoting economic prosperity and student success |
2,968 | |||
| 80 |
Mount Sinai Hospital (Toronto), Sinai Healthmountsinai.on.ca
Internationally recognized academic health sciences center providing exemplary patient care, nursing excellence, and top employer culture Flagship clinical programs available |
2,951 | |||
| 81 |
Nova Scotia Community College - NSCCnscc.ca
Transforming Nova Scotia by providing inclusive education, industry-driven training, workforce preparation, customized business solutions, and fostering innovation and entrepreneurship across the province |
2,918 | |||
| 82 |
North York General Hospitalnygh.on.ca
A leading community academic hospital in Canada offering a wide range of acute, ambulatory, and long-term care services with a focus on patient- and family-centered care |
2,917 | |||
| 83 |
SaskPowersaskpower.com
A long-standing power provider in Saskatchewan managing a diverse portfolio, including coal, hydro, wind, solar, and natural gas assets, with a total of 5,437 MW generation capacity |
2,869 | |||
| 84 | 2,851 | ||||
| 85 |
Kingston Health Sciences Centrekingstonhsc.ca
Top Canadian hospital, advancing health care through patient care, medical research, and training future healthcare professionals for Southeastern Ontario. |
2,793 | |||
| 86 |
CHEOcheo.on.ca
A global leader in pediatric health care and research, providing excellence in complex care, education, and community partnership for children and youth |
2,784 | |||
| 87 |
Bausch Health Companies Inc.bauschhealth.com
Develops, manufactures, markets healthcare products in gastroenterology, neurology, dermatology, dentistry, aesthetics, pharmaceuticals, and eye health worldwide. |
2,740 | |||
| 88 | 2,738 | ||||
| 89 |
Niagara Collegeniagaracollege.ca
Leader in applied education and training, established in 1967 in Welland and now expanding across the Niagara region for top student satisfaction |
2,686 | |||
| 90 |
Université du Québec à Trois-Rivièresuqtr.ca
Specialized university offering innovative fields of study and research, such as leisure, small business management, hydrogen research, chiropractic, midwifery, criminalistic chemistry, philosophy, and arts |
2,649 | |||
| 91 |
University of Reginauregina.ca
Leading university in Saskatchewan offering experience-based learning, innovative programs, and a wide range of bachelor's, master's, and doctoral degrees Alumni contribute locally and globally |
2,618 | |||
| 92 |
Multimaticmultimatic.com
A global enterprise specializing in supplying automotive components, systems, and engineering services with manufacturing divisions and engineering facilities worldwide |
2,598 | |||
| 93 |
Providence Health Careprovidencehealthcare.org
Faith-based health care organization in Canada providing compassionate care across 17 sites for heart, lung, HIV/AIDS, mental health, renal, seniors, and urban populations |
2,570 | |||
| 94 |
Ubisoft Montréalmontreal.ubisoft.com
Creating original and memorable gaming experiences since 1997, fostering creativity and diversity among employees to develop iconic franchises that captivate millions worldwide |
2,561 | |||
| 95 |
BC Cancerbccancer.bc.ca
A provincial cancer control program offering prevention, diagnosis, treatment, research, and supportive care with a vision of a world free from cancer |
2,549 | |||
| 96 |
CHU Sainte-Justinechusj.org
The largest mother-child hospital in Canada, CHU Sainte-Justine employs 5,000 staff and 500 healthcare professionals, prioritizing innovation and patient-centered care |
2,482 | |||
| 97 |
CISSS de la Montérégie-Centrenousrecrutons.ca
The integrated health and social services center in Montérégie-Centre offers quality care and services to 420,000 residents through a network of facilities and medical professionals |
2,465 | |||
| 98 |
IWK Healthiwkhealth.ca
Internationally recognized academic health sciences centre in Halifax, Nova Scotia dedicated to patient-centered care, research, and education for women, children, youth, and families |
2,465 | |||
| 99 |
NOVA Chemicalsnovachem.com
Designing and producing high-quality polyethylene resins, investing in recycling infrastructure, and promoting circular economy through innovation and partnerships. |
2,342 | |||
| 100 |
RRC Polytechrrc.ca
Manitoba's largest institute of applied learning offering over 110 full-time programs in various fields to train future leaders for success |
2,341 | |||
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
More company lists in Canada
- The largest companies in Canada 11,083
- Multinational companies in Canada 1,934
- Manufacturers in Canada 946
- Retail chains in Canada 851
- Critical infrastructure operators in Canada 767
- Public sector organisations in Canada 699
- Financial services firms in Canada 687
- Logistics companies in Canada 593
- Truck Transportation companies in Canada 581
- SaaS companies in Canada 543
- Hardware manufacturers in Canada 502
- Energy companies in Canada 497
- Software Development companies in Canada 484
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- IT Services and IT Consulting companies in Canada 477
- Transportation, Logistics, Supply Chain and Storage companies in Canada 464
- Distributors and wholesalers in Canada 452
- Financial Services companies in Canada 432
- Healthcare providers in Canada 416
- Construction companies in Canada 391
- Oil and Gas companies in Canada 380
- Companies with a mobile app in Canada 367
- Retail companies in Canada 358
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The same list elsewhere in Canada
- Companies with in-house R&D in Ontario 300
- Companies with in-house R&D in the province of Quebec 159
- Companies with in-house R&D in British Columbia 76
- Companies with in-house R&D in Alberta 74
- Companies with in-house R&D in Toronto 93
- Companies with in-house R&D in Montreal 59
- Companies with in-house R&D in Calgary 39
- Companies with in-house R&D in Vancouver 34