These Canadian electronics and semiconductor companies include both large, established firms and younger companies. Celestica, with over 16,000 employees, specializes in design, manufacturing, and supply chain solutions for multiple sectors. Future Electronics distributes electronic components globally, while Canadian Solar Inc. manufactures photovoltaic modules and develops solar power projects. Huawei Canada provides ICT infrastructure, and Tenstorrent builds AI computers.
The data shows a concentration of headquarters in Ontario, particularly in Toronto and the surrounding areas like Markham and Kitchener. Quebec also features prominently with companies like Eddyfi Technologies in Quebec City and CMC Electronics in Saint-Laurent. The companies cover a broad spectrum of activities, from semiconductor manufacturing and electronic component distribution to renewable energy and advanced avionics.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
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 | |||
| 2 |
Future Electronicsfutureelectronics.com
Worldwide distributor of electronic components offering advanced engineering support, extensive inventory, and integrated supply chain solutions for customers. |
4,671 | |||
| 3 |
Canadian Solar Inc.csisolar.com
Global manufacturer of photovoltaic modules and inverters developing utility-scale solar power and battery energy storage projects with over 165 GW delivered worldwide. |
2,240 | |||
| 4 |
Huawei Canadaconsumer.huawei.com
A global provider of ICT infrastructure and smart devices, committed to connecting the world through innovative research and development in Canada |
1,758 | |||
| 5 |
Tenstorrenttenstorrent.com
Tenstorrent builds next-generation AI computers, combining expertise in computer architecture, ASIC design, systems, and neural network compilers Offices worldwide Join our team! |
1,226 | |||
| 6 |
Renesas Electronics Americarenesas.com
Global leader in semiconductors and microcontrollers, facilitating innovation in billions of connected devices to enhance daily life securely |
1,209 | |||
| 7 |
Eddyfi Technologieseddyfi.com
A Canadian company providing advanced Non-Destructive Testing technologies and robotic solutions for various industries worldwide, focusing on innovation and performance |
935 | |||
| 8 |
Teledyne DALSAteledynedalsa.com
Specialized in high-performance image sensing, semiconductor fabrication, and 3D geospatial systems with global R&D and support locations. |
863 | |||
| 9 |
Sierra Wirelesssierrawireless.com
Provider of integrated IoT solutions combining devices, network services, and software to enhance connectivity, data management, and business operations. |
743 | |||
| 10 |
CMC Electronicscmcelectronics.ca
Design and manufacture of advanced avionics, display solutions, and high-performance optoelectronics for military and commercial aviation markets. |
706 | |||
| 11 |
Alphawave Semiawavesemi.com
Specializing in silicon technology for digital communication networks, we strive to provide high performance, reliability, and low power solutions |
702 | |||
| 12 |
Matrox Videovideo.matrox.com
A technology leader in Pro AV/IT, video, and imaging/machine vision solutions, pioneering innovative hardware and software for various high-tech industries globally |
555 | |||
| 13 | 504 | ||||
| 14 |
Silfab Solar Inc.silfabsolar.com
North American designer and manufacturer of high-efficiency photovoltaic modules using automated production lines across facilities in Washington, Toronto, and South Carolina. |
421 | |||
| 15 |
Hexagon Autonomous Solutionshexagon.com
Global leader in digital reality solutions, combining sensor, software, and autonomous technologies to boost efficiency, productivity, quality, and safety across various industries |
405 | |||
| 16 |
LMI Technologieslmi3d.com
Global leader in 3D scanning and inspection technology, offering non-contact sensors for factory production to improve quality and efficiency |
405 | |||
| 17 |
NovAtelnovatel.com
Develops global technology solutions for assured autonomy and precise positioning on land, sea, and air, critical for various industries. |
380 | |||
| 18 | 348 | ||||
| 19 |
Thalmic Labsthalmic.com
Pioneering wearable technology company revolutionizing human-device interaction with the Myo armband, measuring muscle activity to control digital devices wirelessly |
334 | |||
| 20 |
Panasonic Canadapanasonic.com
A provider of digital and electronics products and solutions for consumer, business, and industrial needs, empowering professionals and improving lives with innovative technologies |
294 | |||
| 21 |
5N Plus Inc.5nplus.com
A global producer of specialty semiconductors and performance materials enabling applications in renewable energy, security, pharmaceutical, and industrial sectors |
271 | |||
| 22 |
E2IP TECHNOLOGIESe2ip.com
Creating innovative printed electronics solutions using advanced material science for global market leaders in various industries to enhance human-machine interactions and surfaces |
255 | |||
| 23 |
GAO RFID Inc.gaorfid.com
A leading supplier of RFID products and solutions, offering high-quality off-the-shelf products and customized solutions to a global customer base |
233 | |||
| 24 |
NDI (Northern Digital Inc.)ndigital.com
Global leader in optical and electromagnetic navigation technology for medical devices, offering accurate instrument tracking in various applications for improved workflow and procedure efficacy |
229 | |||
| 25 |
Amphenol Canada Corp.amphenolcanada.com
Global provider of interconnect solutions for electronic equipment manufacturers worldwide across various industries, with a focus on design creativity, cost effectiveness, and leading-edge technology |
206 | |||
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 |
Octasicoctasic.com
Global provider of media and wireless baseband processing solutions for communication equipment markets, offering VoIP, HD video, and multi-standard wireless basestation DSP solutions |
196 | |||
| 27 |
Gastopsgastops.com
Specializing in advanced equipment health sensing and analysis products, engineering services, and proactive maintenance solutions for defense, aerospace, energy, and marine industries |
191 | |||
| 28 |
ECI Technology Group Inc.ecitech.com
Full turnkey electronics manufacturing service provider specializing in Electro-Mechanical design, development, and manufacturing solutions for a wide range of electronics OEMs |
135 | |||
| 29 |
Delta-Q Technologiesdelta-q.com
Designing and manufacturing battery chargers for electric drive vehicles and industrial machines to facilitate the transition to sustainable energy solutions globally |
133 | |||
| 30 |
KATEK Canadakontron.com
An Electronic Manufacturing Services provider specializing in end-to-end assembly services for complex electronic products in various industries, focused on innovation and operational excellence |
131 | |||
| 31 |
Microart Services Inc.microartservices.com
Electronic manufacturing and design services company offering circuit design, PCB layout, manufacturing, assembly, testing, and box build for prototype and low-to-mid volume productions |
125 | |||
| 32 |
OES Inc.oes-inc.com
The company specializes in providing EMS solutions, LED video displays, scoreboard solutions, and wire harness quality assurance devices for various industries worldwide |
125 | |||
| 33 |
TDG Transit Design Group Inctdgdesign.com
An industry leader in developing LED, Fluorescent, and energy storage solutions for rail vehicles with a global presence since 1989 Specializing in innovative lighting systems |
118 | |||
| 34 |
Jabil Software Servicesjabil.com
A global manufacturing solutions provider focused on technological advancement, trusted by leading brands, with a commitment to positive impact and employee growth |
111 | |||
| 35 |
Iridian Spectral Technologies Limitediridian.ca
Provides optical thin film solutions and coating services for telecommunications, spectroscopy, entertainment, and optical sensing, from prototype to volume production. |
110 | |||
| 36 |
Kokusai Semiconductor Equipment Corporationksec.com
Global supplier of Semiconductor Manufacturing Equipment with North American operations based in California and Washington, offering parts, service, and training |
99 | |||
| 37 |
Oscilloquartz SAoscilloquartz.com
A leading provider of time and frequency synchronization systems for next-generation and legacy networks, ensuring precise timing information delivery and assurance |
99 | |||
| 38 |
Pacific Insight Electronics Corp.methodeautomotive.com
Global solutions provider specializing in design, development, and manufacturing of electronic products for automotive and commercial vehicle markets, enhancing performance and reliability |
87 | |||
| 39 |
Safran Electronics & Defense Canada Inc.safran-group.com
Specializing in aerospace and defense applications, the company develops, produces, and maintains embedded computers and systems with full engineering and support capabilities |
77 | |||
| 40 |
LogiCan Technologies Inclogican.com
An experienced Electronic Manufacturing Service specializing in Contract Manufacturing for various industries, including military, healthcare, communications, and consumer electronics |
66 | |||
| 41 |
Dorigo Systems Ltd.myattwg.att.com
A leading electronics manufacturer providing comprehensive services and technology for OEMs in various industries for superior reliability and cost savings |
59 | |||
| 42 |
MIS Electronics Inc.miselectronics.com
Electronic manufacturing services company serving industries such as defense, medical, aerospace, and more; focusing on quality, speed, and cost-effectiveness for customer success |
43 | |||
| 43 |
LightMachinerylightmachinery.com
Specializing in high-quality lasers, optical components, and process machinery, the company produces tight tolerance components and cutting-edge equipment |
41 | |||
| 44 |
Current Scientific Corporationcurrentcorp.com
Manufacturing electro-optical infrared systems, Night Navigator cameras for naval and marine industries, enhancing safety and surveillance at sea |
40 | |||
| 45 |
Coractivecoractive.com
Specializing in Specialty Optical Fibers and fiber laser solutions, this company offers customized products for various industries and applications |
37 | |||
| 46 |
RMF Design and Manufacturing Inc.rmfdesign.com
Provider of electronic design and manufacturing services for clients in Canada and the United States Specializing in engineering, programming, prototyping, and turnkey manufacturing |
36 | |||
| 47 | 36 | ||||
| 48 |
STIM Canada Inc.stimcanada.com
A well-established Electronics Manufacturing Services company partnering with top OEMs, offering flexible solutions and solid partnerships since 1982 |
21 | |||
| 49 |
Thorlabs Canadathorlabs.com
Specializing in mid-IR photonics, this company develops glass and optical fiber solutions, acquired by Thorlabs in 2013 and fully integrated into their business unit |
19 | |||
| 50 |
Transfab TMStransfabtms.com
A manufacturer of electrical and electronic products in North America, specializing in power quality, automation, control, and magnetic component solutions with personalized customer service |
17 | |||
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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 11, 2026.
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