| # | 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 |
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 |
| 3 |
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 |
| 4 |
Midas Safetymidassafety.com
Leading supplier of hand-protection with modern manufacturing facilities in Asia, serving over 50 countries worldwide, adhering to stringent quality standards |
1,894 |
| 5 |
Altasciencesaltasciences.com
Offers pharmaceutical and biotechnology companies a proven, flexible, one-stop solution for early-phase drug development, from lead candidate selection to clinical proof of concept. |
1,617 |
| 6 |
Teledyne DALSAteledynedalsa.com
Specialized in high-performance image sensing, semiconductor fabrication, and 3D geospatial systems with global R&D and support locations. |
863 |
| 7 |
Ground Effects Ltd.gfxltd.com
A manufacturer of OEM-level automotive accessories that started in Canada and now has nearly 40 locations worldwide |
862 |
| 8 |
Cinramcinram.com
Provider of supply chain solutions for global clients, offering packaging, distribution, and retail services to ensure products reach consumers efficiently and profitably |
861 |
| 9 |
Dare Foods Limiteddarefoods.com
Dare bakes quality, innovative snacks like cookies, crackers, and breads, available worldwide, offering a range of options for consumer enjoyment |
756 |
| 10 |
YILING PHARMACEUTICAL(以岭药业)yiling.cn
A key high-tech enterprise in China specializing in traditional Chinese medicine products, healthcare products, and pharmaceuticals using innovative research and technology |
748 |
| 11 |
Anupam Rasayan India Ltdanupamrasayan.com
A leading life science company in India with 8 manufacturing sites, specializing in custom manufacturing of chemicals for various industries globally |
715 |
| 12 |
Array Marketingarraymarketing.com
A global leader in retail merchandising solutions, offering design services, quality products, and fast turnaround times to beauty and CPG clients worldwide |
685 |
| 13 |
Les Entreprises PR Inc
Subcontracting in Welding and Industrial Mechanics |
648 |
| 14 |
Cosmetica Laboratories Inccosmeticalabs.com
Leader in cosmetic product development and manufacturing, providing customized solutions from concept to customer for international brands and retailers |
613 |
| 15 |
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 |
| 16 |
Ya YA Foods Corp.yayafoods.com
Partnering with brands for high-quality, innovative beverage and liquid food production across North America, offering end-to-end support for various formats and volumes. |
552 |
| 17 |
MATCOR Metal Fabricationmatcormetalfab.com
A North American leader in fabrication, providing steel components and assemblies for various industries across Canada and the USA |
543 |
| 18 |
Marmen inc.marmeninc.com
High-precision machining, fabrication, mechanical assembly, and design for diverse global markets including wind tower production, aviation, hydropower, mining, and aerospace applications. |
524 |
| 19 |
BIOVECTRAbiovectra.com
North American pharmaceutical CDMO. Specializes in clinical-to-commercial scale production of biologics, synthetic small molecules, fermented small molecules, highly potent APIs, bioreagents, mRNA, pDNA, LNP manufacturing, and fill/finish. |
507 |
| 20 |
MHI Canada Aerospace, Inc.mhi.com
A Tier 1 manufacturer of aircraft structures and assemblies, specializing in Bombardier business aircraft components with a focus on precision and on-time delivery |
449 |
| 21 |
Mubea Cyclone Manufacturingcyclonemfg.com
Vertically integrated provider of aerospace component manufacturing, including machining, sheet metal fabrication, tube bending, welding, and surface treatment processes for major OEMs |
425 |
| 22 |
Club Coffeeclubcoffee.ca
Leading North American custom coffee roaster, helping clients deliver best-in-class roast and ground coffee programs to their customers. |
319 |
| 23 |
Groupe Melochemelocheinc.wd10.myworkdayjobs.com
Specializing in precision machining, surface treatment, assembly, and manufacturing engineering for aerospace and defense industries, with a focus on quality and efficiency |
305 |
| 24 |
Guelph Manufacturing Group Inc.guelphmanufacturing.com
Leading manufacturer and supplier of metal stampings, assemblies, wire form, and automotive components with plants in Ontario and Georgia Focus on customer satisfaction and process improvements |
268 |
| 25 |
Ropack Pharma Solutionsropack.com
Leading contract manufacturing, packaging, and clinical trial support for solid oral dose pharmaceutical, nutraceutical, and food products globally. Nearly 50 years experience. |
265 |
| 26 |
F&P Mfg. Inc.fandpmfg.com
Leading manufacturer of automotive components with metal stamping, welding, hydroforming, e-coat, and modular assembly capabilities across multiple facilities in North America and Mexico |
259 |
| 27 |
DELPHARM BOUCHERVILLEdelpharm.com
The pharmaceutical company in Boucherville develops and manufactures a range of injectable products to save and prolong lives, emphasizing employee growth and customer service |
227 |
| 28 |
Spencer // Butcherspencerbutcher.com
Customized supply chain solutions including 3PL services, packaging, warehousing, reverse logistics, and assembly for automotive and industrial markets worldwide. |
223 |
| 29 |
Contract Pharmaceuticals Limitedcplltd.com
Leading contract development and manufacturing organization for non-sterile liquid and semi-solid pharmaceutical and regulated OTC products, offering full-spectrum partnership. |
219 |
| 30 |
Eurofins CDMO Alphoraeurofins.com
Provides integrated process development and GMP manufacturing for small molecule drug substances, drug products, and biologics for biopharmaceutical companies. |
207 |
| 31 |
18 Wheels Warehousing & Trucking Ltd 198918wheelslogistics.com
Specializes in co-packing, e-commerce fulfillment, warehousing, and transportation services for diverse industries including food, electronics, and beverages. |
197 |
| 32 |
StarFish Medicalstarfishmedical.com
Specializing in design, development, and manufacturing for medical devices and life sciences, including regulatory consulting, quality control, and flexible production solutions |
168 |
| 33 |
GN CORPORATIONS INC.gncorporations.com
An advanced manufacturing company in Alberta, Canada, offering high precision products and services for Oil & Gas, Automotive, Aerospace, and Defense industries globally |
163 |
| 34 |
Arrow Machine And Fabrication Groupamfg.ca
Engineering-focused solution provider of machined castings, fabrications, and assemblies for OEM customers in various industries, emphasizing innovative design and quality craftsmanship |
153 |
| 35 |
Saand Inc.saand.ca
Premier architectural glass fabricator offering high-quality glass solutions in North America, specializing in commercial IGU's, back painted glass, laminated, heat-treated, and CNC customized products |
141 |
| 36 |
The Look Company - North Americathelookcompany.com
The company specializes in delivering high-quality visual engagement solutions for retail and sport environments worldwide, with a focus on innovation and excellence |
136 |
| 37 |
Omega Tool Corpomegatoolcorp.com
Global leader in engineering, manufacturing, and production of solutions for plastic products Specializing in complex tooling for world-class clients |
136 |
| 38 |
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 |
| 39 |
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 |
| 40 |
Toyotetsu Canada Inctiw.co.jp
A global manufacturer of automotive components with 26 plants worldwide, specializing in stamping, welding, and press cooling, known for implementing the Toyota Production System |
130 |
| 41 |
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 |
| 42 |
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 |
| 43 |
Armada Toolworks Ltd.armadatoolworks.com
Manufacturer specializing in plastic injection molding and zinc die casting to produce high quality, cost-effective automotive assemblies and components with plating options available |
116 |
| 44 |
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 |
| 45 |
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 |
| 46 |
Charl-Polcharlpol.com
A leading equipment supplier and manufacturer specializing in welded mechanical parts, precision machining, and repair of heavy industrial equipment |
100 |
| 47 |
NMC Dynaplas Torontonationalmolding.com
A leading high-precision injection molder specializing in complex plastic components for automotive suppliers, with expertise in thermoplastics, lightweight solutions, and global supply |
99 |
| 48 |
SP Apparel Inc.spapparel.com
A trusted provider of custom sports apparel since 1999, with clients ranging from professional teams to major brands in the industry |
97 |
| 49 |
WS & Company Ltd.wsandcompany.com
A Canadian garment manufacturer offering high-quality, custom activewear with quick turnaround times, all proudly made in Toronto with vertical manufacturing |
93 |
| 50 |
Trimaster Manufacturingprecinmac.com
Leading supplier of precision machined components and electro-mechanical subassemblies for various industries, with exceptional performance metrics and Fortune 500 clients |
91 |
| 51 |
Therapure Biopharma Inctherapurebio.com
Integrated Contract Development and Manufacturing Organization, develops and manufactures therapeutic proteins for biopharmaceutical companies, offering full-scale production services from clinical to commercial. |
88 |
| 52 |
JNM Group of Companiesjnm.ca
An ISO 9001:2015 / IATF 16949 certified company in Windsor, Ontario, specializing in automotive stampings, assemblies, trucking/logistics, and providing solutions for challenging manufacturing needs |
87 |
| 53 | 87 | |
| 54 |
AarKel Tooling Technologiesaarkel.com
Specializing in plastic injection, die casting, production machining, 3D printing, and die cast sampling with a focus on high-quality manufacturing solutions |
84 |
| 55 |
Orchard Custom Beauty - part of the Innovative Beauty Grouporchardintl.com
A leading beauty product provider with expertise in creating affordable, high-quality products for prestige, retail, and mass brands with exceptional service |
80 |
| 56 |
Swiss Water Decaffeinated Coffee Inc.swisswater.com
This company specializes in decaffeinating coffee using a 100% chemical-free process, allowing for the preservation of the taste and quality of specialty coffee |
76 |
| 57 |
Étiquettes Profecta SRI(Groupe Solutions Fortis)profecta.com
Specializing in manufacturing pressure sensitive labels and flexible packaging for Canadian and American markets with over 30 years of experience |
73 |
| 58 |
LEESTA Industries Ltd.leesta.com
Specializing in high precision parts and assemblies for commercial aerospace and defense markets, the company manufactures components with great accuracy and expertise |
70 |
| 59 |
The Electromac Group Inc.clevelandcliffs.com
A leading full-service metal tooling and stamping supplier in North America, specializing in advanced product design and delivering on-time, on-budget solutions |
69 |
| 60 |
LogiCan Technologies Inclogican.com
An experienced Electronic Manufacturing Service specializing in Contract Manufacturing for various industries, including military, healthcare, communications, and consumer electronics |
66 |
| 61 |
Canadian Tool & Die Ltd.thectdgroup.com
Manufacturer of agricultural and industrial equipment including wheels, hubs, safety chains, hydraulic cylinders, forestry/logger equipment, tractors, and castings |
64 |
| 62 |
AlphaPoly 🇨🇦alphapoly.com
Provider of vibrant, durable flexible packaging with advanced technology, offering recyclable and sustainable options for environmentally conscious clients. |
61 |
| 63 |
SEVEN CONTINENTSsevencontinents.com
Manufacturing sustainable custom fixtures and accessories for fashion retailers with integrated design, fabrication, and global supply chain services. |
60 |
| 64 |
Ben Machine Products Co. Inc.benmachine.com
An advanced manufacturing facility specializing in CNC milling, turning, sheet metal fabrication, welding, and assembly for military, aerospace, and high-tech industries |
60 |
| 65 |
Melet Plasticsmeletplastics.com
A leader in engineering plastic solutions for OEMs, offering design, prototyping, molding, and assembly services with state-of-the-art manufacturing facilities and new capabilities in natural fiber composites |
60 |
| 66 |
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 |
| 67 |
Core Molding- Cobourg, Canadacoremt.com
Specializing in custom plastic molding, this company offers cost-efficient alternatives for individuals and businesses, producing high-quality plastic parts for various industries |
58 |
| 68 |
Molded Precision Componentsmpccomponents.com
A manufacturing facility specializing in high precision injection molding of plastic parts, offering full-service engineering, product development, and innovative solutions globally |
54 |
| 69 |
Rootree Inc.rootree.ca
A leading sustainable packaging manufacturer and co-packer offering creative solutions, branding, design, and digital marketing services, dedicated to creating a greener future |
53 |
| 70 |
Acromil Corporationacromil.com
Manufacturing high-quality machined parts and assemblies for aerospace industries with a focus on service, efficiency, and excellence at competitive prices |
52 |
| 71 |
Avion Technologies, Inc.avion-tech.com
Provider of contract manufacturing services for defense, aerospace, and heavy equipment industries, specializing in high quality gear manufacturing and components |
52 |
| 72 |
MEP TECHNOLOGIES INCmeptec.com
Specialized metal manufacturing and electromechanical integration company in Quebec, delivering top-quality services to high technology and medical sectors worldwide |
51 |
| 73 |
Palcam Technologies Ltd.palcam.com
A leading manufacturing company established in 1995, specializing in precision machined components for Automotive, Aerospace, Medical, Energy, and Industrial sectors_offer comprehensive tooling solutions |
50 |
| 74 |
ASL Print FXaslprintfx.com
Industry leader in label and packaging solutions, printed promotional materials, and direct mail, focused on enhancing and protecting brands through collaboration |
46 |
| 75 |
RAMPF Composite Solutions (CAN)rampf-group.com
A leading expert in manufacturing carbon fiber and fiberglass composites for aerospace and medical industries, offering vertical integration and innovative solutions |
43 |
| 76 |
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 |
| 77 |
Goldrich Printpak Inc.goldpak.com
An integrated full-service packaging partner focused on sustainable packaging solutions, guiding clients to become leaders in sustainability within their industries |
41 |
| 78 |
Vision Coatings Limitedvisioncoatings.ca
A provider of advanced coating and finishing services for the fenestration industry, offering a wide selection of colours and highly-durable options for high-volume production orders |
40 |
| 79 |
Ritz Plastics Inc.ritzplastics.com
A privately owned business based in Peterborough, Ontario, Canada, established in 1984 Specializing in manufacturing for automotive, medical, consumer goods, and electronics industries ISO/TS-16949:2009 certified |
39 |
| 80 |
Plasticor inc.plasticor.com
Established in 1984, this family-run company offers turnkey solutions in mold design and production for industries such as appliance, aerospace, automotive, and military |
38 |
| 81 |
Baumeier Corporationbaumeier.com
Canadian metal manufacturing company established in 1991, offering machining, fabrication, welding, waterjet and laser cutting services, along with assembly, design support, and quality inspection |
37 |
| 82 |
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 |
| 83 |
New Era Groupneweragroup.co
A privately owned group of businesses offering precision machining, industrial manufacturing, metal forming, assembly, and more, serving global OEMs with skilled workforce and vast manufacturing space |
36 |
| 84 | 36 | |
| 85 |
Machinerie P&W INCmachineriepw.com
Manufacturer providing employees with infrastructure and computer equipment to optimize production processes Specializing in machining, welding, plastic, and CAD services |
36 |
| 86 |
Plastic Plus Limitedplasticplus.ca
A leading Canadian optical manufacturing lab offering top optical lenses, coatings, tints, and 'Made in Canada' products to support independent eye care providers |
35 |
| 87 |
Sle-Co Plasticssleco.com
A TS 16949 Tier II automotive parts supplier with 29 years of experience specializing in injection molded components and assemblies for OEM markets |
33 |
| 88 |
Yarlmetal Fabrications Incyarlmetal.com
A medium-sized company specializing in composite panels, aluminum shapes, and glazing products for commercial construction, with a focus on efficiency and customer satisfaction |
33 |
| 89 |
C&A Group of Companiescandagroup.ca
The company based in Alberta, Canada provides end-to-end manufacturing and process solutions for various industries, specializing in food processing, manufacturing, energy, and industrial construction |
32 |
| 90 |
Precision ADMprecisionadm.com
Innovative company providing engineering solutions through Advanced Digital Manufacturing for metal and polymer parts in medical and aerospace industries Join us for future manufacturing advancements |
31 |
| 91 |
Attractionattraction.com
Canadian company offering end-to-end garment manufacturing and decoration services, ensuring a seamless process with impeccable service, creativity, and innovation |
30 |
| 92 |
Woodbine Tool and Die Manufacturing Ltd.wtd.ca
A leading turn-key solution provider offering expert manufacturing from design to finished product, specializing in tool & die, assembly, and metal stamping |
30 |
| 93 |
BHS Compositesbhscomposites.com
Specializing in composite materials, we manufacture precision parts for aeronautics, transport, energy, and medical industries, from prototypes to mass production |
29 |
| 94 |
Enermax Mountain Manufacturingemmfg.com
An ASME certified manufacturer of custom mechanical process equipment, specializing in heat exchangers, pressure vessels, and precision machined components for various industries |
27 |
| 95 | 27 | |
| 96 |
MACFAB Manufacturing Inc.macfab.ca
A leading contract manufacturer specializing in precision components for analytical instruments, optics, defence, and aerospace industries worldwide since 1987 |
26 |
| 97 |
Precision Laser & Fab Inc.precisionlaserfab.com
Provider of high-quality metal parts, prioritizing customer service, on-time delivery, and competitive pricing for ready-to-use metal components, parts, and assemblies |
26 |
| 98 |
Oughtred Coffee & Teaoughtred.com
Promoting specialty coffee by focusing on education, customer service, relationships, and sustainability to foster growth and awareness in the industry |
26 |
| 99 |
Highwood Technologieshighwoodtechnologies.com
Design and manufacturing firm offering engineered solutions for various industries, specializing in custom fabrication and product development based on industry needs |
25 |
| 100 |
Label Innovation (an AWT Company)awtlabelpack.com
A custom converter and label manufacturer of specialty precision components, tapes, and labels acquired for expansion and innovation in 2022 |
23 |
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
- Public sector organisations in Canada 499
- 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