This selection of large Canadian companies is dominated by the motor vehicle manufacturing sector, with a strong presence of suppliers and assembly operations. Many of these firms are well-established, with founding dates spanning several decades.
Companies like Magna International develop technologies for safer and cleaner vehicles, while BRP designs and manufactures innovative products for snow, water, land, and air travel. Linamar Corporation specializes in advanced manufacturing solutions for various segments, and Martinrea International focuses on metal forming and fluid systems for lightweight automotive requirements. ABC Technologies is a leader in plastics and injection molding for the automotive industry.
| # | 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 | 9,204 | ||||
| 3 |
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 | |||
| 4 |
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 | |||
| 5 |
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 | |||
| 6 |
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 | |||
| 7 |
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 | |||
| 8 |
Toyota Motor Manufacturing Canadatmmc.ca
Large-scale vehicle assembly operation in Ontario with multiple production lines, employing thousands and focusing on quality and community responsibility. |
2,658 | |||
| 9 |
Multimaticmultimatic.com
A global enterprise specializing in supplying automotive components, systems, and engineering services with manufacturing divisions and engineering facilities worldwide |
2,598 | |||
| 10 |
Element Fleet Managementelementfleet.com
Providing tailored fleet management solutions and expert support to reduce costs and simplify business operations across entire fleet lifecycles. |
2,504 | |||
| 11 |
Woodbridgewoodbridgegroup.com
Global provider of innovative solutions for automotive, commercial, recreational, packaging, healthcare, and building industries with headquarters in Canada and the USA |
2,262 | |||
| 12 |
BlackBerryblackberry.com
Provides intelligent software and services to enterprises and governments, enabling transformative applications, new revenue streams, and innovative business models with safety, security, and reliability. |
2,005 | |||
| 13 |
Plasmanplasman.com
Global leader in automotive components, offering single-source solutions for tooling, injection molding, chroming, and assembly with a collaborative mindset and unrivaled dedication |
1,751 | |||
| 14 |
Honda of Canada Mfg.ca.indeed.com
Manufactures high-quality Honda vehicles in Canada for Canadian and US markets, with a focus on growth, innovation, and skilled associates |
1,700 | |||
| 15 |
Honda Canada Inc.hondacanada.ca
A Canadian success story in manufacturing vehicles and power equipment, with a commitment to sourcing from Canadian suppliers and sustainable practices |
1,540 | |||
| 16 |
New Flyernewflyer.com
Leading North American transit bus manufacturer specializing in electrification, zero-emission buses, infrastructure solutions, and sustainable mass mobility solutions globally |
1,506 | |||
| 17 |
CITIC Dicastaldicastal.com
Manufacturing aluminum wheels supplying major global and domestic automobile manufacturers with high-quality lightweight automotive components and innovative solutions. |
1,459 | |||
| 18 | 1,383 | ||||
| 19 | 1,273 | ||||
| 20 |
Toyota Canada Inc.toyota.ca
Exclusive distributor of Toyota and Lexus vehicles in Canada, operating regional offices, parts centers, and manufacturing plants in Ontario. |
1,210 | |||
| 21 |
Valiant TMSvalianttms.com
An Industry 40 system integrator specializing in digitalization, process development, design, and technology integration with global strategic teams |
1,105 | |||
| 22 |
Mercedes-Benz Canadamercedes-benz.ca
Distributor and marketer of luxury vehicles, including combustion, hybrid, and electric models, as well as vans, with headquarters in Mississauga, Ontario |
1,014 | |||
| 23 |
The Woodbridge Groupwoodbridgegroup.com
Innovative urethane and bead foam technologies for automotive and other industries worldwide, providing comfort, safety, acoustics, insulation, and structural solutions Offering diverse services |
915 | |||
| 24 |
Nova Busnovabus.com
A leading provider of sustainable transportation solutions in North America, offering electric, hybrid, CNG, and clean diesel buses, along with intelligent transport systems |
892 | |||
| 25 |
Ground Effects Ltd.gfxltd.com
A manufacturer of OEM-level automotive accessories that started in Canada and now has nearly 40 locations worldwide |
862 | |||
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. | |||||
| 26 |
Prevostprevostcar.com
This company is a leading manufacturer of premium intercity touring coaches and conversion coaches, emphasizing employee training and development to provide best customer service |
787 | |||
| 27 |
MacLean Engineeringmacleanengineering.com
Specializing in underground mobile equipment for hard rock mining, offering a wide range of solutions worldwide, including electrification for diesel-free operations |
779 | |||
| 28 |
Stackpole Internationaljohnsonelectric.com
Global solutions provider specializing in fluid power systems and powder metal technology, offering high-quality, high-performance components and systems for various applications worldwide |
774 | |||
| 29 |
Soucysoucy-group.com
Soucy is a global manufacturer specializing in high-performance track systems, parts, and accessories for various sectors, known for technological innovations and product quality |
732 | |||
| 30 |
Litens Automotive Grouplitens.com
Innovative global automotive leader with patented powertrain solutions, committed to excellence, diverse and inclusive workplace fostering creativity and innovation |
726 | |||
| 31 |
Motor Coach Industriesmcicoach.com
A leading North American motor coach brand, specializing in building industry-best models, offering maintenance, repair, roadside assistance, and technician training services |
685 | |||
| 32 |
NextStar Energy
Canada's pioneering producer of electric vehicle batteries, partnering with Stellantis and LG Energy Solution for innovative manufacturing |
680 | |||
| 33 |
Ballard Power Systemsballard.com
Develops, manufactures, sells, and services hydrogen fuel cell power systems for heavy-duty motive, materials handling, backup power, marine, and rail applications, promoting sustainable mobility and clean air. |
664 | |||
| 34 |
Dana TM4danatm4.com
A joint venture specializing in designing and manufacturing electric motors, generators, inverters, and control systems for various markets with a focus on energy efficiency |
608 | |||
| 35 |
Mitchell Plasticsmitchellplastics.com
Leading tier one supplier of automotive interior mechanisms and decorative components, offering concept, design, development, testing, and validation services with in-house manufacturing capabilities for quality products |
590 | |||
| 36 |
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 | |||
| 37 |
Kia Canadakia.ca
Innovative, dynamic, and award-winning products and services offered through a network of dealers across Canada, dedicated to inspiring consumers |
581 | |||
| 38 |
Vuteq Canada Incvuteq.ca
An international corporation with operations in automotive manufacturing, glass manufacturing, food production, and more, committed to continuous improvement and community involvement |
572 | |||
| 39 |
SOUTHLAND Transportationsouthland.ca
A transportation company in Alberta and Saskatchewan operating school, charter, commuter, and specialized buses with a focus on safety and service excellence |
566 | |||
| 40 |
Matcor-Matsu Groupmatcor-matsu.com
Fully integrated supplier of engineering and manufacturing services for automotive OEMs, specializing in complex assemblies and stampings for various applications |
556 | |||
| 41 |
Meridian Lightweight Technologies Inc.meridian-mag.com
Innovative supplier of magnesium die casting components and assemblies for the transportation market, emphasizing design excellence and global client base expansion |
555 | |||
| 42 |
OC Transpooctranspo.com
Public transportation provider in Canada's national capital with a fleet of accessible buses and trains, focused on sustainability and expanding light rail system |
553 | |||
| 43 |
KSR International Inc.ksrint.com
Industry leader in designing, engineering, and manufacturing driver interface systems for Tier 1 OEMs with a rich history of reliable manufacturing |
552 | |||
| 44 |
TG Minto Corporationtgminto.com
A company with a heritage of innovation and leadership, focused on achieving manufacturing superiority through world-class processes and product quality |
535 | |||
| 45 |
Volkswagen Group Canada Inc.vwgoa.taleo.net
Global distributor of automobile and automotive products, part of Volkswagen Group, supporting dealers across Canada with national operations and training |
527 | |||
| 46 |
Mazda Canada Incmazda.ca
Distribution of automobiles and automotive parts in Canada, fostering teamwork and growth within a dynamic and challenging environment. |
476 | |||
| 47 |
IMT Groupimtcorporation.com
A leading manufacturer and supplier to various industries, offering closed-die forged components, product innovation, advanced technology, and quality assurance processes |
476 | |||
| 48 |
Westport Fuel Systemswfsinc.com
Innovative company developing clean-burning fuel systems and components to address global climate change and urban air quality challenges Serving customers worldwide |
472 | |||
| 49 |
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 | |||
| 50 |
Hyundai Auto Canada Corp.hyundaicanada.com
A subsidiary of Hyundai Motor Company, this Canadian company markets a full line-up of award-winning vehicles committed to quality, safety, and design |
467 | |||
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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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