| # | 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 |
TDcareers.td.com
A leading North American bank with a global presence, serving 22 million customers with a team of over 85,000 employees Providing legendary customer experiences |
105,476 |
| 3 | 99,801 | |
| 4 |
Scotiabankscotiabank.com
A global financial institution serving customers, families, and communities by providing advice, products, and services to help them achieve success |
87,065 |
| 5 | 71,968 | |
| 6 |
Self-Employedgyges.org
Specializing in teaching and producing all aspects of the English language, providing comprehensive education and creating English-related content |
70,604 |
| 7 | 60,290 | |
| 8 |
AtkinsRéalisatkinsrealis.com
Global professional services organization specializing in sustainable infrastructure solutions, integrating people, data, and technology across the asset lifecycle in key strategic sectors |
48,091 |
| 9 | 47,865 | |
| 10 |
Circle Kcirclek.com
Global convenience and fuel retail business providing everyday services across fourteen thousand locations in twenty-six countries to make customer journeys a little easier. |
47,769 |
| 11 |
Alberta Health Servicesalbertahealthservices.ca
providing accessible, sustainable, patient-focused health services to over 4.5 million people across Alberta with dedicated professionals |
46,248 |
| 12 |
Desjardinsdesjardins.com
A leading cooperative financial group in Canada, offering a wide range of products and services through online platforms and subsidiaries |
44,145 |
| 13 |
Four Seasonsfourseasons.com
Global operator of over one hundred thirty luxury hotels, resorts, and fifty-five residential properties across forty-seven countries focused on high-end hospitality innovation. |
43,141 |
| 14 | 38,236 | |
| 15 |
Ontario Government | Gouvernement de l’Ontarioontario.ca
Provide objective advice to ministers, implement government policies, and deliver public services with integrity and accountability in Ontario. |
37,563 |
| 16 |
Thomson Reutersthomsonreuters.com
It offers news and information tools for professionals in legal, regulatory, and tax sectors, helping them navigate complex environments. |
36,640 |
| 17 |
Gouvernement du Québec – Carrièresquebec.ca
Employs 60,000 across ministries and agencies, offering diverse careers contributing to Quebec's economy, health, education, and social services. |
36,470 |
| 18 |
Manulifemanulife.com
Global financial services group providing insurance, wealth management, and asset management solutions to millions of customers worldwide. |
34,375 |
| 19 |
Bellletstalk.bell.ca
A leading Canadian communications company offering advanced wireless, internet, TV, media, and business services, as well as supporting social and economic prosperity |
34,053 |
| 20 |
Shoppers Drug Martshoppersdrugmart.ca
National chain of pharmacies across Canada, emphasizing professional expertise and personalized service in meeting customers' health care needs for over 50 years |
33,036 |
| 21 |
Stantecstantec.com
A global community-focused firm offering engineering, architecture, project management, and environmental services to enhance quality of life worldwide |
32,056 |
| 22 |
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 |
| 23 |
Collierscolliers.com
Offers real estate services, engineering solutions, and investment management, focusing on client success and delivering strong financial returns. |
29,561 |
| 24 |
Canadian Tire Corporationcanadiantire.ca
Conglomerate offering retail products across various categories, financial services, and real estate management, also owning a technical outdoor brand. |
29,479 |
| 25 |
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 |
| 26 |
Department of National Defence/Ministère de la défense nationalecanada.ca
A government department in Canada responsible for defending national interests, contributing to international peace and security, and supporting the Canadian Forces |
28,747 |
| 27 |
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 |
| 28 |
Rogers Communicationsrogers.com
Provider of communication services, supporting everyday connections and ensuring seamless connectivity for work and personal needs, with a focus on customer satisfaction |
28,500 |
| 29 |
lululemoncorporate.lululemon.com
A lifestyle inspired athletic apparel company that creates transformational products for yoga, running, training, and other sweaty pursuits |
25,212 |
| 30 |
The University of British Columbiaubc.ca
a global center for research and teaching, consistently ranked among the top 20 public universities worldwide. |
25,036 |
| 31 |
GardaWorldgarda.com
Global leader in security services providing cash services, physical security solutions, and verified international security information through Crisis24 portal |
24,818 |
| 32 |
Loblaw Companies Limitedloblaw.ca
Largest Canadian retailer offering grocery, pharmacy, health, beauty, financial services, apparel, and recognized brands like President’s Choice and no name. |
24,123 |
| 33 |
Air Canadacareers.aircanada.com
Largest Canadian airline offering extensive scheduled passenger flights across North America and internationally, recognized for service excellence and COVID-19 management. |
24,053 |
| 34 |
Canada Post / Postes Canadacanadapost-postescanada.ca
Nationwide postal service with extensive retail network, delivering parcels and mail to over 17 million Canadian addresses. |
23,941 |
| 35 |
City of Torontotoronto.ca
Provides diverse public services to residents, businesses, and visitors, encompassing technology, finance, culture, and innovation, employing a large workforce across numerous divisions. |
23,495 |
| 36 |
Metro Inc.metro.ca
Leading food and pharmacy retailer operating nearly 1,000 stores and 640 pharmacies across Québec and Ontario, supporting community health. |
23,058 |
| 37 |
OpenTextopentext.com
It specializes in Information Management, assisting businesses of all sizes in securely capturing, governing, and exchanging information globally. |
22,990 |
| 38 |
McCain Foodsmccain.com
Global leader in prepared potato products, including French Fries and appetizers, focusing on quality, sustainability, and community impact. |
22,000 |
| 39 |
Intactintactfc.com
Providing insurance solutions to help individuals, businesses, and society thrive during good times and bounce back during challenging times |
21,693 |
| 40 |
Canadian Armed Forces | Forces armées canadiennesforces.ca
Offering over 100 trades, the organization provides world-class qualifications, competitive salaries, benefits, stability, and exciting opportunities for travel, adventure, and making a difference |
20,412 |
| 41 |
Government of Albertaalberta.ca
Provides diverse employment opportunities across Alberta, fostering career growth and contributing to building a stronger province for residents. |
20,217 |
| 42 |
National Bank of Canadabnc.ca
Financial institution focusing on personal and business financial advice, community empowerment, innovation, and building lasting client relationships. |
19,342 |
| 43 |
Sobeysjobs.sobeyscareers.com
A national grocery retailer in Canada with over 1,500 stores offering a variety of food formats tailored to meet unique customer needs |
17,568 |
| 44 |
University of Albertaualberta.ca
Top Canadian university offering a wide range of programs in various disciplines, dedicated to using knowledge for the benefit of society |
16,185 |
| 45 |
Hydro Québechydroquebec.com
Production, transmission, and distribution of electricity primarily from renewable hydroelectric sources, including research and technology development in energy efficiency. |
16,160 |
| 46 |
Fraser Health Authorityfraserhealth.ca
Provider of healthcare services in the Fraser Salish region, operating on the traditional lands of Coast Salish and Nlaka’pamux Nations |
16,049 |
| 47 |
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 |
| 48 |
Barrick Mining Corporationbarrick.com
A company focused on owning high-quality gold and copper assets, managed by top talent to provide strong returns and benefits to stakeholders |
15,486 |
| 49 |
McGill Universitymcgill.ca
Leading research-intensive university with diverse international students, multiple campuses, extensive programs, and partnerships with teaching hospitals for healthcare education. |
15,235 |
| 50 |
University of Calgaryucalgary.ca
A leading Canadian university in Calgary focused on becoming one of the top five research universities, emphasizing research, teaching, and community engagement |
14,818 |
| 51 |
Suncorsuncor.com
Commercial oil sands development, upgrading, offshore oil and gas production, petroleum refining, and product marketing under Petro-Canada brand. |
14,758 |
| 52 |
CBC/Radio-Canadacbc.radio-canada.ca
Canadian public broadcaster promoting Canadian culture through diverse programming in multiple languages, supporting creative work and job opportunities in television production |
14,336 |
| 53 |
TJX Canada – Winners, Marshalls, HomeSensejobs.tjx.com
A dynamic company offering diverse career opportunities in buying, planning, merchandising, marketing, and retailing, with a focus on quality and value |
14,141 |
| 54 |
Canada Lifecanadalife.com
Providing financial protection, retirement and investment solutions, workplace mental health support, and community project investments to enhance Canadians' well-being. |
13,569 |
| 55 |
IntouchCXintouchcx.com
Revolutionizing global customer experience with value-driven CX management, digital engagement, and AI solutions for renowned brands through data-driven approaches |
13,480 |
| 56 |
McMaster Universitymcmaster.ca
Leading Canadian university known for innovation in education and research, serving 30,000 students and a global alumni network. |
13,160 |
| 57 | 12,816 | |
| 58 |
PCL Constructionpcl.com
Independent construction companies operating in civil infrastructure, heavy industrial, and building markets across multiple countries with employee ownership. |
12,795 |
| 59 |
AIESECaiesec.org
AIESEC develops leadership in youth aged 18 to 30 and provides international talent recruitment solutions for organizations worldwide |
12,751 |
| 60 |
First Quantum Mineralsfirst-quantum.com
A global mining company specializing in copper, nickel, gold, and cobalt production with operations on four continents and a focus on technical expertise and community benefits |
12,664 |
| 61 |
Vancouver Coastal Healthvch.ca
A healthcare organization focused on quality patient care, career growth through training, inclusive culture, and supportive team environment Visit social media for more information |
12,357 |
| 62 |
Ville de Montréalmontreal.ca
City administration focusing on cultural vitality, economic and social development, serving 1.8 million residents with 28,000 employees. |
12,244 |
| 63 |
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 |
| 64 |
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 |
| 65 | 12,199 | |
| 66 |
Western Universityuwo.ca
A leading research-intensive university with a global community of students and alumni focused on making change in the world Welcome scholars worldwide |
12,137 |
| 67 |
Dollaramadollarama.com
It is a Canadian value retailer with over 1,300 locations, offering a wide range of affordable general merchandise and consumables. |
12,127 |
| 68 |
University Health Networkuhn.ca
Largest Canadian research hospital network specializing in patient care, medical research, education, and fundraising for advanced healthcare services. |
11,930 |
| 69 |
SNC-Lavalinatkinsrealis.com
Global engineering services and nuclear organization connecting people, data, and technology to transform infrastructure and energy systems worldwide. |
11,913 |
| 70 |
Enbridgeenbridge.com
This company is a leading provider of energy infrastructure, delivering reliable and affordable energy sources while investing in modern infrastructure and resilient communities |
11,855 |
| 71 |
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 |
| 72 |
Toronto District School Boardtdsb.on.ca
Serving over 239,000 students and 100,000 adult learners across 582 schools, focusing on academic performance and community support. |
11,719 |
| 73 |
SHOPsearchfindorder.com
Innovative marketplace offering a variety of trendy products including gadgets, electronics, home items, and automotive accessories for consumers seeking the latest trends |
11,517 |
| 74 |
University of Waterloouwaterloo.ca
Leader in innovation driving economic and social prosperity through talent pipeline, groundbreaking research, entrepreneurial culture, and industry collaboration for student success |
11,390 |
| 75 | 11,326 | |
| 76 |
York Universityyorku.ca
Educates students, fosters career advancement, and drives positive societal change through research and community engagement. |
11,154 |
| 77 |
RBC Capital Marketsrbccm.com
Global investment bank providing specialized expertise in capital markets, banking, and finance to corporations, institutional investors, asset managers, and governments across international markets. |
11,098 |
| 78 |
Government of Nova Scotianovascotia.ca
Provincial government offering diverse career opportunities within public service, supporting various roles and professional growth across Nova Scotia. |
11,000 |
| 79 |
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 |
| 80 |
City of Calgarycalgary.ca
A public service organization in Calgary with a focus on making life better for residents through collaborative efforts and innovative practices |
10,653 |
| 81 |
Peel District School Boardpeelschools.org
A large organization in Peel serving over 156,000 students in K-12 with a focus on inspiring success, confidence, and hope through various programs and support services |
10,571 |
| 82 |
WSP in Canadawsp.com
professional services firm unites engineering, advisory, science expertise; shapes communities; advances humanity; delivers projects across sectors globally. |
10,459 |
| 83 |
Interior Health Authorityjobs.interiorhealth.ca
Providing high-quality health care services to communities in Southern Interior British Columbia with a focus on timely, caring, and efficient support. |
10,114 |
| 84 |
KPMG Canadakpmg.com
Providing audit, tax, and advisory services to public, private, nonprofit, and public sector organizations across Canada with professionalism. |
10,017 |
| 85 |
iA Financial Group (Industrial Alliance)ia.ca
A leading insurance and wealth management group in Canada and the United States, founded in 1892 and listed on the Toronto Stock Exchange |
10,003 |
| 86 |
Canadian Natural Resources Limited (CNRL)cnrl.com
Global independent crude oil and natural gas producer with diverse operations in North America, North Sea, and Offshore Africa. |
9,936 |
| 87 |
Gildangildancorp.com
Leading global apparel manufacturer with multiple brands, sustainable initiatives, and operations in 12 countries, striving to Make Apparel Better® |
9,923 |
| 88 |
Queen's Universityqueensu.ca
A prestigious university known for its research, innovation, and commitment to addressing global challenges through scholarship and international engagement |
9,891 |
| 89 |
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 |
| 90 | 9,798 | |
| 91 |
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 |
| 92 |
TELUS Healthtelushealth.com
Delivering exceptional health experiences worldwide by leveraging cutting-edge technology and a dedicated team to support customers and address pressing healthcare issues |
9,742 |
| 93 |
Calgary Board of Educationcbe.ab.ca
Dedicated to providing quality learning opportunities for diverse students, with a focus on empowerment, innovation, and accountability in public education |
9,714 |
| 94 |
BC Public Servicewww2.gov.bc.ca
Providing diverse public services, programs, and policy expertise in health care, safety, education, and environmental management across British Columbia. |
9,469 |
| 95 |
Island Healthislandhealth.ca
Leading health authority in British Columbia, providing comprehensive healthcare services to Vancouver Island's residents with a focus on diversity, inclusion, and sustainability |
9,357 |
| 96 |
Restaurant Brands Internationalrbi.com
Operating global quick service restaurant brands including Tim Hortons, Burger King, Popeyes, Firehouse Subs, focusing on sustainable food, planet, and people outcomes. |
9,244 |
| 97 | 9,204 | |
| 98 |
City of Ottawa / Ville d’Ottawajobs-emplois.ottawa.ca
A diverse workforce providing essential programs and services for over one million residents in Ottawa, with a focus on customer service and community well-being |
9,194 |
| 99 |
Other.™weareother.ca
Specialized paid media and performance creative agency helping marketers optimize media spend, achieve targets, and outperform competition with proven methodologies and successful campaigns |
9,168 |
| 100 | 9,150 |
Turn this list into pipeline
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How this list is built
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 Oct 8, 2026.
More company lists in Canada
- SaaS companies in Canada 458
- Truck Transportation companies in Canada 424
- Financial Services companies in Canada 387
- Software Development companies in Canada 382
- IT Services and IT Consulting companies in Canada 350
- Transportation, Logistics, Supply Chain and Storage companies in Canada 341
- Hospitals and Health Care companies in Canada 336
- Construction companies in Canada 334
- Oil and Gas companies in Canada 330
- Government Administration companies in Canada 324
- Retail companies in Canada 305
- Higher Education companies in Canada 278
- Insurance companies in Canada 222
- Food and Beverage Services companies in Canada 185
- Real Estate companies in Canada 182
- Education Administration Programs companies in Canada 169
- Non-profit Organizations companies in Canada 163
- Machinery Manufacturing companies in Canada 161
- Investment Management companies in Canada 149
- AI-native companies in Canada 142
- Motor Vehicle Manufacturing companies in Canada 131
- Mining companies in Canada 126
- Advertising Services companies in Canada 124
- Restaurants companies in Canada 120
The same list elsewhere in Canada
- The largest companies in Toronto 1,663
- The largest companies in Montreal 857
- The largest companies in Calgary 601
- The largest companies in Vancouver 511
- The largest companies in Mississauga 438
- The largest companies in Ottawa 314
- The largest companies in Edmonton 226
- The largest companies in Quebec City 212
- The largest companies in Winnipeg 174
- The largest companies in Waterloo 67
- The largest companies in Halifax 64