| # | Company | Employees |
|---|---|---|
| 1 |
Desjardinsdesjardins.com
A leading cooperative financial group in Canada, offering a wide range of products and services through online platforms and subsidiaries |
44,145 |
| 2 |
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 |
| 3 |
Air Canadaaircanada.com
Largest Canadian airline offering extensive scheduled passenger flights across North America and internationally, recognized for service excellence and COVID-19 management. |
24,053 |
| 4 |
National Bank of Canadabnc.ca
Financial institution focusing on personal and business financial advice, community empowerment, innovation, and building lasting client relationships. |
19,342 |
| 5 |
Hydro Québechydroquebec.com
Production, transmission, and distribution of electricity primarily from renewable hydroelectric sources, including research and technology development in energy efficiency. |
16,160 |
| 6 | 12,816 | |
| 7 |
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 |
| 8 | 5,236 | |
| 9 |
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 |
| 10 |
Ministère des Transports et de la Mobilité durable du Québec (MTMD)transports.gouv.qc.ca
The organization focuses on ensuring sustainable transportation for people and goods in Quebec through efficient and safe transport systems |
5,068 |
| 11 |
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 |
| 12 |
Videotronvideotron.com
A leading Canadian telecommunications company offering innovative services in cable TV, internet access, phone, and wireless communication, known for excellence and advanced technology |
4,825 |
| 13 |
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 |
| 14 |
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 |
| 15 |
Cogeco Inc.corpo.cogeco.com
Provides internet, video, and phone services to residential and business customers in Canada and the United States, plus operates radio stations. |
4,305 |
| 16 |
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 |
| 17 |
Santé Québec Estrie – CHUSsanteestrie.qc.ca
The CIUSSS de l’Estrie – CHUS is a healthcare organization offering a wide range of health and social services to over 500,000 people in Quebec |
4,012 |
| 18 |
Desjardins General Insurance Groupdesjardinsassurancesgenerales.com
A leading P&C insurance group offering a range of products and services to protect customers' assets through quality coverage and innovative technology |
3,859 |
| 19 |
Société de transport de Montréalstm.info
The STM plays a vital role in the public transportation sector, providing reliable and sustainable travel options for over 14 million daily commuters in Montreal |
3,773 |
| 20 |
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 |
| 21 |
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 |
| 22 |
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 |
| 23 |
CIUSSS de l'Est-de-l'Île-de-Montréalciusss-estmtl.gouv.qc.ca
The integrated university health and social services center in East Montreal manages multiple hospitals and mental health institute, affiliated with University of Montreal |
3,232 |
| 24 |
CIUSSS Mauricie et Centre-du-Québectravaillerensante.com
A team of 22,000 individuals united by values, dedicated to improving health and well-being through humanism, passion, teamwork, work-life balance, and research |
3,165 |
| 25 |
Laurentian Bankbanquelaurentienne.ca
Provides retail banking, specialized SME and real estate financing, brokerage services, and investment products through subsidiaries and advisors nationwide. |
2,876 |
| 26 |
CISSS de la Montérégie-Estsantemonteregie.qc.ca
Providing health and social services across multiple cities with hospitals, CLSCs, housing centers, and youth support facilities staffed by professionals. |
2,726 |
| 27 |
Air Transatairtransat.com
A leading integrated international tourism company specializing in vacation packages, hotel stays, and air travel to over 60 destinations in the Americas and Europe Committed to sustainable tourism development |
2,686 |
| 28 |
Santé Québec Centre-Ouest-de-l'Île-de-Montréal - Universitaireciussscentreouest.ca
A healthcare network in West-Central Montreal providing seamless care to over 345,000 residents through various member facilities and a large staff of healthcare professionals and doctors |
2,681 |
| 29 |
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 |
| 30 |
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 |
| 31 |
CISSS de Chaudière-Appalachescisssca.com
Healthcare organization managing 105 facilities across Chaudière-Appalaches region, providing a wide range of medical services, specialized care, and home interventions with over 12,000 employees |
2,366 |
| 32 |
VIA Rail Canadaviarail.ca
A national passenger rail service in Canada, providing safe, cost-effective, and environmentally responsible travel experiences, connecting over 400 communities with innovative projects |
2,343 |
| 33 |
Santé Québec Montérégie-Ouestemplois-cisssmo.ca
The organization provides integrated health and social services in the western part of Montérégie region, aiming to improve population well-being |
2,285 |
| 34 |
Santé Québec Lanaudièrecisss-lanaudiere.gouv.qc.ca
A healthcare and social services organization formed from five institutions, serving over 524,000 residents with a budget of $11 billion |
2,283 |
| 35 |
McKesson Canadamckesson.ca
Partnering with healthcare providers and manufacturers to supply products and services that improve patient care and build healthier communities. |
2,237 |
| 36 |
Santé Québec Lavallavalensante.com
A healthcare organization in Laval with hospitals, outpatient services, CLSCs, family medicine groups, CHSLDs, child protection, rehabilitation centers, and academic affiliations |
2,236 |
| 37 |
Desjardins Financial Security Life Assurance Companydesjardinsassurancevie.com
A provider of life insurance, health insurance, and retirement savings solutions with a focus on customer needs and cooperative values |
2,207 |
| 38 |
Cogeco Connexioncogeco.ca
provides fiber-powered internet, TV, and home phone services with local support in smaller cities across Ontario and Quebec. |
1,827 |
| 39 |
CIUSSS du Saguenay-Lac-Saint-Jeansantesaglac.gouv.qc.ca
The organization is a health and social services integrated center in the Saguenay-Lac-Saint-Jean region, formed by merging nine public institutions |
1,771 |
| 40 |
CISSS de l'Outaouaiscisss-outaouais.gouv.qc.ca
The organization in Outaouais region works to provide accessible and integrated health and social services to improve community's well-being |
1,761 |
| 41 |
Fairstone Bankfairstone.ca
A financial services group providing value-driven solutions for consumers and businesses, focusing on enhancing customer loyalty and delivering confident borrowing experiences |
1,539 |
| 42 |
Santé Québecsante.quebec
Provide health and social services through public institutions, manage network operations to ensure user satisfaction and care quality. |
1,528 |
| 43 |
Ville de Gatineaugatineau.ca
Offers diverse municipal job opportunities focusing on employee well-being, values, and career growth in a large Quebec city. |
1,475 |
| 44 |
National Bank Financialnbfwm.ca
A top Canadian securities broker providing wealth management services for individuals, corporations, and governments with nearly 1,000 investment advisors nationwide |
1,427 |
| 45 |
belairdirectbelairdirect.com
A leading insurance company in Canada simplifying the insurance process with innovative products and personalized experiences for over 65 years |
1,421 |
| 46 |
Ville de Longueuillongueuil.quebec
Economic center of Montreal's South Shore, offering quality essential services, rich cultural programs, welcoming environment, and large green spaces. |
1,398 |
| 47 |
Héma-Québechemaquebec.ca
Collection and distribution of blood, stem cells, breast milk, and human tissue to hospitals for patient care in Québec. |
1,304 |
| 48 |
Transattransat.com
An international tourism company that offers vacation packages, hotel stays, and air travel to over 60 destinations in the Americas and Europe with a focus on sustainable tourism |
1,303 |
| 49 |
CISSS du Bas-Saint-Laurentemplois.cisssbsl.com
The CISSS du Bas-Saint-Laurent provides career opportunities in a stimulating work environment, seeking talented and passionate individuals in the healthcare field |
1,287 |
| 50 |
Santé Québec - Institut de cardiologie de Montréalicm-mhi.org
A highly specialized hospital focusing on cardiology, dedicated to care, research, education, prevention, rehabilitation, and evaluating new technologies in the field |
1,228 |
| 51 |
Énergirenergir.com
Natural gas distribution in Quebec and Vermont, renewable electricity production, energy efficiency, innovative energy projects, and diverse energy services. |
1,194 |
| 52 |
Investia Financial Servicesinvestia.ca
A subsidiary offering mutual funds and segregated funds distribution services, owned by Industrial Alliance Insurance and Financial Services Inc |
1,139 |
| 53 |
GLS Canadagls-group.com
Parcel, freight, and logistics services provider in Canada, part of a global network covering 40 countries, focused on B2B and B2C customers |
1,086 |
| 54 |
La Capitalebeneva.ca
Offering quality insurance products and financial services for over 70 years, guided by values of mutual aid and solidarity, serving the general population and public sector employees |
1,043 |
| 55 |
Régie de l'assurance maladie du Québecramq.gouv.qc.ca
This organization in Quebec manages healthcare insurance, medication, assistance programs, and payments for healthcare professionals, serving 84 million people |
958 |
| 56 |
Boralex Inc.boralex.com
A leader in renewable energy with facilities in Canada, France, and the US Developing wind, solar, and storage projects to combat global warming |
862 |
| 57 |
Logisteclogistec.com
provides marine and environmental services across North America with over 3,200 employees serving from the Arctic to the US Gulf |
845 |
| 58 |
Ville de Trois-Rivièresv3r.net
The organization highlights the success and growth of Trois-Rivières since the 2002 municipal merger, emphasizing the improved quality of life and community pride |
781 |
| 59 |
Montreal Policespvm.qc.ca
A municipal police force serving Montréal with over 6000 employees, responding to safety needs, managing 32 local stations on the island |
770 |
| 60 |
Quebecorquebecor.com
Leading Canadian integrated communications company combining telecommunications, media, entertainment, publishing, cultural product distribution, event production, and community involvement. |
745 |
| 61 |
Hopital Maisonneuve-Rosemontmaisonneuve-rosemont.org
Medical practice specializing in providing healthcare services located in Montreal, Quebec, Canada |
740 |
| 62 |
ADM Aéroports de Montréaladmtl.com
ADM develops and operates international airports in Montreal, focusing on passenger and cargo transport, with a diverse range of employment opportunities |
724 |
| 63 |
Urgences-santéurgences-sante.qc.ca
Public organization providing prehospital emergency medical services and communication for urgent health calls in Montreal and Laval regions. |
719 |
| 64 |
Institut universitaire de cardiologie et de pneumologie de Québec - Université Lavaliucpq.ca
Providing specialized care, research, and education in cardiovascular, respiratory, obesity-related diseases, alongside geriatric, palliative, internal medicine services, with a focus on prevention and rehabilitation |
648 |
| 65 |
CISSS de l'Abitibi-Témiscaminguecisss-at.gouv.qc.ca
A health and social services organization in Abitibi-Témiscamingue region, responsible for maintaining and improving population health and well-being through collaboration and expertise |
641 |
| 66 |
Valero Energy Inc.energievalero.ca
A leading energy company in Quebec with a refinery, logistics infrastructures, supporting local energy security and economy, fostering values and talented employees |
636 |
| 67 |
Centre intégré de santé et de services sociaux de la Côte-Nordcisss-cotenord.gouv.qc.ca
Healthcare and social services provider in Quebec's Côte-Nord region, serving a diverse population along a 1,300km coastal stretch |
599 |
| 68 |
Exo – Réseau de transport métropolitainexo.quebec
Public transportation provider in Montreal's north and south shores, offering integrated train, bus, and paratransit services focused on innovation and efficient travel experiences |
595 |
| 69 |
H2O Innovationh2oinnovation.com
A water solutions company specializing in membrane technologies, specialty chemicals, and contract operations for municipal and industrial water treatment systems |
593 |
| 70 |
Réseau de transport de la Capitale
The company is dedicated to providing high-quality public transportation to improve urban living at a reasonable cost while promoting a healthy environment |
583 |
| 71 |
Air Inuitairinuit.com
Specializes in providing vital air transport services to remote Inuit communities in northern Quebec, offering passenger, cargo, and emergency flights |
562 |
| 72 |
Innergexinnergex.com
A major independent renewable energy producer developing and managing high-quality hydro, wind, solar, and battery storage facilities in various countries |
551 |
| 73 |
TFI International Inc.tfiintl.com
A leading transportation and logistics company in North America, specializing in strategic acquisitions and managing a network of operating subsidiaries across the US and Canada |
546 |
| 74 | 451 | |
| 75 |
Sun Life Québecsunlife.ca
A leading financial services organization offering insurance and investment products in multiple global markets, with a focus on helping clients achieve financial security |
382 |
| 76 |
Groupe Morneaugroupemorneau.com
Delivers goods across Eastern Canada, specializing in general, refrigerated transport, storage, and logistics, optimizing customer supply chains since 1942. |
371 |
| 77 |
Keolis Canadakeolisna.com
A leading provider of mobility solutions, offering intercity, urban, light rail and airport transportation with innovative shared mobility services globally |
240 |
| 78 |
Nationexnationex.com
Canadian parcel transport company with depots and sorting centers in Quebec and Ontario, delivering millions of parcels annually with a large fleet of trucks. |
219 |
| 79 |
THE GTI GROUPthegtigroup.com
Provides transportation and logistics services including brokerage, freight management, ground transport, international operations, and warehousing for predictable, secure solutions. |
102 |
| 80 |
National Bank Private Banking 1859privatebanking1859.ca
Wealth management firm offering personalized advice and services to affluent individuals and their families, focusing on growth, sustainability, and philanthropy |
101 |
| 81 |
Transport Hervé Lemieuxtransportlemieux.com
Established in 1947, a leading transport company in Quebec offering general, specialized transport services and private fleet management, focusing on customer satisfaction and safety |
93 |
| 82 |
Transport RDLtransportrdl.com
Leading transportation company in Eastern Canada offering comprehensive services, dedicated transport solutions, and temperature-controlled deliveries across a wide territory with strategic facilities |
83 |
| 83 |
Transport Gilmyr Incgilmyr.com
A leading transportation company in Quebec with advanced technology, dedicated employees, multiple terminals, and a focus on providing comprehensive freight transport services |
63 |
| 84 |
Transport Dsquaredsquare.ca
Leading Canadian 3PL providing comprehensive transportation and logistics solutions across North America, utilizing advanced technology for businesses of all sizes. |
59 |
| 85 |
Caisse Desjardins Des Rivières de Québecdesjardins.com
A leading financial institution with over $23 billion in assets and $51 billion under management, offering diverse products, expert services, and regional economic development support |
45 |
| 86 |
Caisse Desjardins du Centre-nord de Montréaldesjardinscentrenord.com
A financial services company providing tailored solutions for individuals, businesses, and corporations, focusing on innovation, community enrichment, and sustainable development |
39 |
| 87 |
LAURENTIEN | Transport dédié & sur-mesuretransportlaurentien.ca
Specialists in dedicated transportation with a focus on personalized services tailored to each client's operational needs Over 55 years of experience in Eastern Canada |
32 |
| 88 |
Nour Transportnourtransport.com
A trusted refrigerated trucking company in Ontario and Quebec, specializing in efficient and reliable transportation with real-time monitoring and quick response times |
32 |
| 89 |
Caisse Desjardins du Centre-est de Montréaldesjardins.com
A financial institution in Montreal's east region with a mission to support economic and social development through personalized business solutions for members and clients |
31 |
| 90 |
IA groupe financieria.ca
Provides financial services to individuals and businesses, offering a range of solutions for managing and optimizing finances |
31 |
| 91 |
Le Groupe Xtremelegroupextreme.com
A leading Canadian transport and logistics company offering unparalleled customer service, expertise, cutting-edge technologies, competitive pricing, and reliable equipment With a strong, dynamic team, the company is rapidly growing |
30 |
| 92 |
Argus Transportargustransport.com
Technology-driven trucking and logistics carrier operating in Canada and the USA since 1977, focusing on customer service and people investment. |
26 |
| 93 |
Caisse Desjardins du Plateau-Mont-Royaldesjardins.com
A leading financial group in Canada dedicated to improving the well-being of individuals and communities through sustainable partnerships and actions |
25 |
| 94 |
LOGISTEC Directdirect.logistec.com
Provider of quality port logistics and transloading services near Port of Montréal, with specialized equipment and facilities for handling various cargo types efficiently and safely |
23 |
| 95 |
CRALER INC.craler.com
Provide diversified transportation and logistics services across multiple sectors, leveraging technology and assets to optimize operations efficiently. |
18 |
| 96 |
Desjardins Business West of Montrealdesjardins.com
A team of 62 professionals offering a comprehensive range of financial services, including business financing, savings management, capital markets, treasury solutions, insurance, investments, and more |
18 |
| 97 |
Perlitch Transportperlitchtransport.com
Innovative transportation solutions provider offering premier over-the-road transport and logistics services across North America with a focus on excellence and reliability |
17 |
| 98 |
HYDROMÉGA Services Inc.hydromega.com
Independent renewable energy producer in Quebec and Ontario since 1987, specializing in constructing and operating hydroelectric facilities sold to Hydro-Quebec and Ontario Power Authority |
9 |
| 99 |
HYDROMEGAhydromega.com
A leading renewable power producer and developer in Eastern Canada, established in Québec in 1987 |
8 |
| 100 |
Groupe ATDgroupeatd.com
Specializing in logistics, transportation, warehousing, and mechanics Expert in delivery services from Quebec to the United States, including Ontario and the Maritimes |
5 |
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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 24, 2026.
More company lists in the province of Quebec
- The largest companies in the province of Quebec 1,985
- Public sector organisations in the province of Quebec 130
- Retail chains in the province of Quebec 122
- Retail companies in the province of Quebec 104
- Financial services firms in the province of Quebec 92
- Truck Transportation companies in the province of Quebec 91
- IT Services and IT Consulting companies in the province of Quebec 89
- Government Administration companies in the province of Quebec 83
- SaaS companies in the province of Quebec 82
- Transportation, Logistics, Supply Chain and Storage companies in the province of Quebec 79
- Software Development companies in the province of Quebec 77
- Manufacturers in the province of Quebec 76
- Education providers in the province of Quebec 70
- Higher Education companies in the province of Quebec 69
- Distributors and wholesalers in the province of Quebec 69
- Construction companies in the province of Quebec 67
- Financial Services companies in the province of Quebec 61
- Education Administration Programs companies in the province of Quebec 58
- Family-owned companies in the province of Quebec 53
- Hospitals and Health Care companies in the province of Quebec 49
- IT services companies in the province of Quebec 46
- Healthcare providers in the province of Quebec 45
- Insurance companies in the province of Quebec 42
- Machinery Manufacturing companies in the province of Quebec 42
The same list elsewhere in Canada
- Critical infrastructure operators in Canada 569
- Critical infrastructure operators in Ontario 262
- Critical infrastructure operators in Alberta 94
- Critical infrastructure operators in British Columbia 51
- Critical infrastructure operators in Toronto 104
- Critical infrastructure operators in Calgary 64
- Critical infrastructure operators in Montreal 43