| # | Company | Employees |
|---|---|---|
| 1 |
Alberta Health Servicesalbertahealthservices.ca
providing accessible, sustainable, patient-focused health services to over 4.5 million people across Alberta with dedicated professionals |
46,248 |
| 2 |
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 |
| 3 |
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 |
| 4 |
The University of British Columbiaubc.ca
a global center for research and teaching, consistently ranked among the top 20 public universities worldwide. |
25,036 |
| 5 |
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 |
| 6 |
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 |
| 7 |
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 |
| 8 |
Government of Albertaalberta.ca
Provides diverse employment opportunities across Alberta, fostering career growth and contributing to building a stronger province for residents. |
20,217 |
| 9 |
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 |
| 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 |
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 |
| 12 |
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 |
| 13 |
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 |
| 14 |
McMaster Universitymcmaster.ca
Leading Canadian university known for innovation in education and research, serving 30,000 students and a global alumni network. |
13,160 |
| 15 |
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 |
| 16 |
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 |
| 17 |
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 |
| 18 |
University Health Networkuhn.ca
Largest Canadian research hospital network specializing in patient care, medical research, education, and fundraising for advanced healthcare services. |
11,930 |
| 19 |
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 |
| 20 |
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 |
| 21 |
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 |
| 22 |
York Universityyorku.ca
Educates students, fosters career advancement, and drives positive societal change through research and community engagement. |
11,154 |
| 23 |
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 |
| 24 |
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 |
| 25 |
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 |
| 26 |
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 |
| 27 |
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 |
| 28 |
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 |
| 29 |
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 |
| 30 |
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 |
| 31 |
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 |
| 32 |
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 |
| 33 |
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 |
| 34 |
Toronto Transit Commission (TTC)ttc.ca
A leading transit system in Toronto, providing safe and reliable transportation to over 17 million customers daily through various modes |
8,829 |
| 35 |
Health Canada | Santé Canadahealth.canada.ca
A Federal department in Canada focused on improving health for individuals through recruitment of professionals in various fields and student programs |
8,686 |
| 36 |
Toronto Metropolitan Universitytorontomu.ca
Innovative urban university in Toronto, focusing on creativity, entrepreneurship, inclusivity, and global community engagement to serve societal needs |
8,478 |
| 37 |
University of Manitobaumanitoba.ca
A global community dedicated to positive change, innovation, and impactful research in areas such as human rights, global health, and climate change |
8,475 |
| 38 |
Dalhousie Universitydal.ca
Leading university in Canada with outstanding academic quality and teaching, offering diverse educational and research opportunities, inspiring global contributions since 1818 |
7,970 |
| 39 |
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 |
| 40 |
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 |
| 41 |
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 |
| 42 |
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 |
| 43 |
City of Edmontonrecruitment.edmonton.ca
A young and ambitious company in Edmonton, focusing on building a resilient and diverse economy while prioritizing environmental sustainability and community safety |
7,218 |
| 44 |
Université de Sherbrookeusherbrooke.ca
A French-speaking institution in Canada's Quebec province, Université de Sherbrooke offers recognized academic education to over 40,000 students, including international students |
7,200 |
| 45 |
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 |
| 46 |
University of Saskatchewanusask.ca
Leading research and education addressing global challenges in water, food security, health, and innovation with diverse academic programs and world-class facilities. |
7,086 |
| 47 |
BC Hydrobchydro.com
Generate and deliver electricity to 95% of British Columbia's population, serving over four million people with reliable power. |
6,996 |
| 48 |
Saskatchewan Health Authoritysaskhealthauthority.ca
Leading Saskatchewan's healthcare with over 44,000 employees and physicians, focused on delivering high-quality, timely care statewide for better health outcomes |
6,967 |
| 49 |
Government of Manitobamanitoba.ca
Provides diverse public sector jobs delivering numerous programs and services across Manitoba, emphasizing integrity, respect, inclusion, and community impact. |
6,894 |
| 50 |
Carleton Universitycarleton.ca
University located near government and high tech companies, combining research and teaching to provide superior education and solve real problems. |
6,886 |
| 51 |
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 |
| 52 |
Ottawa-Carleton District School Board (OCDSB)ocdsb.ca
A large school board in Eastern Ontario offering a wide range of programs to support students in academics, arts, athletics, and technology |
6,863 |
| 53 | 6,848 | |
| 54 |
Seneca Polytechnicsenecapolytechnic.ca
Innovative, daring organization encouraging advancement and leadership in polytechnic education |
6,721 |
| 55 |
Hamilton Health Scienceshamiltonhealthsciences.ca
Healthcare organization delivering specialized cardiac, stroke, trauma, cancer, palliative, and pediatric care to southwestern Ontario and beyond. |
6,690 |
| 56 |
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 |
| 57 |
Toronto Catholic District School Boardtcdsb.org
A leading Catholic school board in Toronto providing educational excellence rooted in Gospel values to over 84,000 students across 195 schools |
6,590 |
| 58 |
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 |
| 59 |
Metrolinxmetrolinx.com
Provincial agency managing regional transportation through GO Transit, UP Express, and PRESTO while executing the largest transit infrastructure expansion in Ontario history. |
6,444 |
| 60 |
Agriculture and Agri-Food Canada/ Agriculture et Agroalimentaire Canadaagriculture.canada.ca
Agriculture and agri-food company supporting farmers and food producers in growth and development Terms of use: http://owly/gnCW50FjUsI / http://owly/XHSU50FjUvL |
6,405 |
| 61 |
Government of Saskatchewansaskatchewan.ca
A large provincial public service organization employing 12,000 individuals across diverse sectors including health, agriculture, environment, and transportation |
6,333 |
| 62 |
Service Canadacanada.ca
Provides Canadians access to government programs, services, and benefits through online, phone, and in-person channels with multiple partners. |
6,236 |
| 63 |
Trillium Health Partnersthp.ca
Leading hospital providing full range of acute care services, specialized programs, and community-based care Committed to delivering high-quality, accessible patient care |
6,009 |
| 64 |
ATB Financialatb.com
Providing personal and business banking, wealth management, and capital markets services through digital options, branches, agencies, and entrepreneur centres for Albertan clients. |
5,999 |
| 65 |
ICBC (Insurance Corporation of British Columbia)icbc.com
A provincial Crown Corporation specializing in insurance, driver licensing, and road safety, offering career advancement opportunities, competitive benefits, and a collaborative work environment |
5,970 |
| 66 |
Statistics Canada | Statistique Canadastatcan.gc.ca
A leading statistical agency providing relevant, accurate, and timely data to help Canadians better understand their country through an app and podcast series |
5,917 |
| 67 |
Centre de services scolaire de Montréal (CSSDM)cssdm.gouv.qc.ca
Leading educational institution in Montreal, Quebec, providing services for 110,000 students from diverse backgrounds, offering professional growth opportunities and social benefits for employees |
5,681 |
| 68 | 5,666 | |
| 69 |
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 |
| 70 |
Edmonton Public Schoolsepsb.ca
Large school district in Alberta with over 7,500 staff and 92,000 students across 202 schools, focused on inspiring student success through quality education |
5,606 |
| 71 |
Correctional Service Canada │ Service correctionnel Canadacsc-scc.gc.ca
Administer federal prison sentences, manage institutions with various security levels, and supervise offenders under conditional release in communities. |
5,587 |
| 72 |
Transport Canada - Transports Canadatc.canada.ca
A department with 5000 employees nationwide seeks individuals to contribute to meaningful work, growth opportunities, attractive benefits, and inclusive work environment |
5,540 |
| 73 |
George Brown Polytechnicgeorgebrown.ca
Leading college in Toronto with industry connections, offering real-world experience through diverse programs for full and part-time students Visit website for details |
5,381 |
| 74 |
Humber Collegehumber.ca
Provides diverse full-time, part-time, and online programs focused on career readiness, serving thousands of students with quality teaching. |
5,249 |
| 75 |
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 |
| 76 |
Shared Services Canada | Services partagés Canadacanada.ca
Modernizing Government of Canada's IT infrastructure by delivering email, data centre, telecommunication, videoconferencing, and Wi-Fi services to customers |
5,161 |
| 77 |
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 |
| 78 |
Centennial Collegecentennialcollege.ca
Leading Ontario community college with diverse campus locations, offering innovative programs, exemplary teaching, and extensive partnership building since 1966 |
5,076 |
| 79 |
Santé Québec Centre-Sud-de-l’Île-de-Montréal – Universitaireciusss-centresudmtl.gouv.qc.ca
The CIUSSS of Centre-South of Montreal provides healthcare and social services to nearly 300,000 Montreal residents, with a focus on various specialties and research |
5,068 |
| 80 |
Revenu Québecrevenuquebec.ca
Government agency responsible for ensuring fair tax collection to fund public services within the Quebec provincial administration. |
4,998 |
| 81 |
Algonquin College of Applied Arts and Technologyalgonquincollege.com
Leading college in eastern Ontario offering diverse hands-on learning programs, including degrees, diplomas, and certificates, with a strong focus on student success and innovation |
4,972 |
| 82 |
Santé Québec Laurentidessantelaurentides.gouv.qc.ca
Health and social services organization with over 100 facilities. Multidisciplinary network of experts, research, and teaching in clinical settings. |
4,971 |
| 83 |
Memorial University, Newfoundland and Labradormun.ca
Offers academic programs, conducts diverse research, provides student and campus services, and engages with communities locally and internationally. |
4,886 |
| 84 |
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 |
| 85 | 4,739 | |
| 86 |
City of Vancouvervancouver.ca
Local government providing community services, fostering innovation, supporting diverse residents, and building a sustainable, vibrant city for all. |
4,726 |
| 87 |
Durham District School Boardddsb.ca
A public education board in rural and urban communities, providing educational services to over 79,000 regular day students in 135 schools |
4,721 |
| 88 |
Waterloo Region District School Boardwrdsb.ca
A large school board in Ontario providing education for approximately 62,000 students from kindergarten to grade 12, with a focus on student success and community involvement |
4,717 |
| 89 |
Southern Alberta Institute of Technology (SAIT)sait.ca
Innovative institution providing industry-relevant education and training, shaping future workforce through action-based learning, research, and industry partnerships |
4,694 |
| 90 | 4,674 | |
| 91 |
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 |
| 92 |
Horizon Health Networkhorizonnb.ca
A leading regional health authority in Atlantic Canada, providing a wide range of healthcare services in New Brunswick, Nova Scotia, and Prince Edward Island |
4,655 |
| 93 |
City Of Hamiltonhamilton.ca
The organization aims to provide high-quality public services for a healthy, safe, and prosperous community while fostering collective ownership and diversity |
4,633 |
| 94 |
Ottawa Catholic School Boardocsb.ca
Providing faith-based, inclusive education with English and French programs, fostering critical thinking, creativity, well-being, and community connections. |
4,559 |
| 95 |
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 |
| 96 | 4,477 | |
| 97 |
Fanshawe Collegefanshawec.ca
A large college in Ontario offering diploma, degree, certificate, and apprenticeship programs to over 43,000 students annually from 50 countries |
4,454 |
| 98 |
Canada Border Services Agency | Agence des services frontaliers du Canadacbsa-asfc.gc.ca
Ensures national security and economic prosperity by managing and monitoring international travel and trade at Canada's borders. |
4,369 |
| 99 |
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 |
| 100 |
Halton District School Boardhdsb.ca
Educates 67,000+ students across Southern Ontario, focusing on innovation, collaboration, and staff development in various cities like Burlington and Milton. |
4,292 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 24, 2026.
More company lists in Canada
- The largest companies in Canada 9,391
- Critical infrastructure operators in Canada 569
- Retail chains in Canada 545
- Financial services firms in Canada 533
- SaaS companies in Canada 458
- Truck Transportation companies in Canada 424
- Energy companies in Canada 390
- Financial Services companies in Canada 388
- Software Development companies in Canada 382
- Manufacturers in Canada 379
- 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 306
- Higher Education companies in Canada 277
- Logistics companies in Canada 248
- Distributors and wholesalers in Canada 243
- Healthcare providers in Canada 234
- Insurance companies in Canada 222
- Family-owned companies in Canada 196
- Food and Beverage Services companies in Canada 185
The same list elsewhere in Canada
- Public sector organisations in Ontario 196
- Public sector organisations in the province of Quebec 130
- Public sector organisations in British Columbia 59
- Public sector organisations in Alberta 52
- Public sector organisations in Toronto 43
- Public sector organisations in Ottawa 42
- Public sector organisations in Montreal 41
- Public sector organisations in Quebec City 31