These Montreal-based companies are primarily large manufacturers, with a strong presence in traditional industries. CAE provides simulation training, Gildan manufactures apparel, Saputo Inc. produces dairy products, and TC Transcontinental specializes in flexible packaging and printing. Other significant firms include Resolute Forest Products and Pharmascience.
The companies on this list largely operate in sectors such as forest products, food and beverage, and specialized manufacturing. A notable pattern is the prevalence of long-established companies, with many founded before 1980, indicating a mature industrial base in Montreal.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 12,199 | ||||
| 2 |
Gildangildancorp.com
Leading global apparel manufacturer with multiple brands, sustainable initiatives, and operations in 12 countries, striving to Make Apparel Better® |
9,923 | |||
| 3 |
Saputo Inc.saputo.com
A global leader in producing and distributing high-quality dairy products, including cheese, milk, cultured products, and dairy ingredients in multiple countries |
7,937 | |||
| 4 |
TC Transcontinentaltctranscontinental.com
A leader in flexible packaging and printing, specializing in French-language educational publishing Committed to quality, innovation, and responsible business practices |
4,587 | |||
| 5 |
Resolute Forest Productsresolutefp.com
Manufacture sustainable pulp, paper, packaging, tissue, lumber, and wood products with operational excellence across North America. |
2,803 | |||
| 6 |
Pharmasciencecarrieres.pharmascience.com
A leading pharmaceutical company in Quebec, with global reach and strong R&D investment, committed to employee development and recognized as a Great Place to Work |
2,016 | |||
| 7 |
Kruger Inc.kruger.com
A forward-looking organization with diverse operations in pulp and paper, packaging, green energy, tissue products, recycling, and biomaterials, focusing on sustainability and responsible resource use |
1,739 | |||
| 8 |
Quincaillerie Richelieu Ltée/Richelieu Hardware Ltdrichelieu.com
Leading North American distributor, importer, and manufacturer of specialty hardware. Provides over 130,000 items to manufacturers and retailers through 113 distribution centers across the continent. |
1,403 | |||
| 9 |
Stella-Jonesstella-jones.com
A leading producer of industrial pressure-treated wood products, manufacturing and distributing utility poles, railway ties, lumber, and industrial wood products in North America |
1,129 | |||
| 10 |
Ovivoovivowater.com
A global provider of sustainable water treatment solutions, specializing in industrial, municipal, and electronics markets with over 150 years of expertise |
960 | |||
| 11 |
Sanimaxsanimax.com
A company with over 80 years of experience collecting and transforming organic by-products into high-quality ingredients for various industries |
933 | |||
| 12 |
Keurig Dr Pepper Canadakeurigdrpepper.ca
A leading beverage company in Canada offering a wide range of hot and cold beverages, single-serve coffee makers, and promoting sustainability |
719 | |||
| 13 |
Quebec Iron Ore Inc.mineraiferquebec.com
Mining company focused on revitalizing Quebec's Bloom Lake Mine, emphasizing sustainable development and promoting high-quality iron ore and skilled trades. |
715 | |||
| 14 |
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 | |||
| 15 | 586 | ||||
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. | |||||
| 16 |
Lamourlamour.com
A family-owned group specializing in hosiery, intimates, and performance wear, with a strong supply chain and commitment to exceptional customer service |
555 | |||
| 17 |
TC Mediatctranscontinental.com
Leading provider of media and interactive marketing solutions in Canada, offering print and digital content in French and English for various industries and consumers |
544 | |||
| 18 |
TC Transcontinental Printingtc.tc
A leading printing company in North America offering premedia, printing, and distribution solutions for a wide range of industries and clients |
506 | |||
| 19 |
LE CHÂTEAUsuzyshier.com
A Canadian fashion retailer with a half-century tradition of vertical integration, designing, manufacturing, and selling apparel through stores and online platform |
492 | |||
| 20 |
Balcan Innovations Inc.
A leading manufacturer of technical films, flexible packaging, and reflective insulation with a portfolio of market-leading brands known for quality, innovation, and customer commitment |
478 | |||
| 21 |
Recochem Inc.recochem.com
Since 1951, Recochem provides innovative solutions for automotive and household industries, evolving with consumer feedback to drive retailer growth globally |
468 | |||
| 22 |
Lantic Inc.lanticrogers.com
A Canadian company with national presence, celebrating diversity and unity from coast to coast |
445 | |||
| 23 |
Nature's Touch Frozen Foodsnaturestouch.com
The company specializes in providing high-quality frozen fruits to private label partners worldwide, focusing on bringing real, healthy food to consumers |
426 | |||
| 24 |
Sollio Cooperative Groupsollio.coop
A rebranded cooperative group, formerly known as La Coop federée, operating under the new name Sollio Cooperative Group |
377 | |||
| 25 |
Peerless Clothing Inc.peerless-clothing.com
A leading producer of men's tailored clothing, known for innovative production methods and high-quality garments, supplying major retailers in the US |
368 | |||
| 26 |
Ventionvention.io
Innovative manufacturing automation platform enabling rapid design, deployment, and operation of equipment online for factories worldwide across continents |
362 | |||
| 27 |
Eurekaeurekalighting.com
Designs and manufactures distinctive, specification-grade decorative luminaires, empowering designers and architects to realize lighting concepts with multi-award-winning products. |
308 | |||
| 28 |
ATTITUDEattitudeliving.com
Production of certified eco-friendly home and body care products focusing on sustainability, safety, and ethical standards without compromise. |
285 | |||
| 29 |
PixMobpixmob.com
Specializing in immersive experiences, PixMob creates interactive light shows for events and brand engagement, turning crowds into dynamic living video displays |
188 | |||
| 30 |
IVCweareivc.com
A partner in visual merchandising, offering innovative solutions for custom displays to retailers for over 60 years with a focus on design and technology |
186 | |||
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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 Nov 12, 2026.
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- The largest companies in Montreal 986
- Multinational companies in Montreal 203
- Retail chains in Montreal 85
- SaaS companies in Montreal 71
- IT Services and IT Consulting companies in Montreal 70
- Financial services firms in Montreal 69
- Software Development companies in Montreal 68
- Professional services firms in Montreal 65
- Companies with in-house R&D in Montreal 59
- Public sector organisations in Montreal 57
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- AI companies in Montreal 40
- Financial Services companies in Montreal 39
- Corporate groups and holding companies in Montreal 39
- Logistics companies in Montreal 39
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- Transportation, Logistics, Supply Chain and Storage companies in Montreal 38
- Distributors and wholesalers in Montreal 36
- Publicly traded companies in Montreal 35
The same list elsewhere in Canada
- Manufacturers in Canada 946
- Manufacturers in Ontario 389
- Manufacturers in the province of Quebec 238
- Manufacturers in Alberta 113
- Manufacturers in British Columbia 104
- Manufacturers in Manitoba 34
- Manufacturers in Toronto 88
- Manufacturers in Calgary 50
- Manufacturers in Mississauga 42
- Manufacturers in Edmonton 32
- Manufacturers in Vancouver 28
The same list elsewhere
- Manufacturers in the world 39,579
- Manufacturers in North America 10,136