| # | Company | Employees |
|---|---|---|
| 1 |
Samsung Electronicssamsung.com
A global technology leader, constantly innovating in TVs, smartphones, wearables, appliances, medical devices, and more Embracing diversity and creativity for growth |
287,000 |
| 2 |
LG Electronicslg.com
This company provides products and services aimed at improving lives through innovation in home appliances, electronics, digital signage, and more |
64,886 |
| 3 |
Doosandoosan.com
A global company specializing in building power plants, industrial facilities, machine tools, engines, bridges, construction equipment, and consumer products |
42,000 |
| 4 |
Samsung Mobilesamsung.com
This company specializes in providing secure and highly productive mobile solutions for enterprises, focusing on Android security and productivity on Samsung Galaxy devices worldwide |
19,596 |
| 5 |
SK hynixskhynix.com
Leading global producer of DRAM and NAND Flash memory chips, providing advanced semiconductor solutions for diverse IT product demands worldwide. |
8,276 |
| 6 |
LG Energy Solutionlgensol.com
A leading company in eco-friendly energy solutions, specializing in distinctive materials and next-generation batteries for EVs and energy storage systems |
7,463 |
| 7 |
Hanwha Grouphanwha.com
Global diversified business group specializing in energy, aerospace, finance, retail, and services with a strong focus on sustainability and innovation. |
7,341 |
| 8 |
LG Displaylgdisplay.com
A global leader in display technologies, manufacturing TFT-LCD and OLED panels for TVs, laptops, mobile devices, and automotive lighting applications |
6,145 |
| 9 |
Samsung SDIsamsungsdi.com
Development and production of innovative technology products with cutting-edge features, focusing on creativity and continuous improvement since 1970. |
4,080 |
| 10 |
HL Mandohlmando.com
A leading automotive parts company focused on developing cutting-edge technology and quality parts for safe vehicles on a global scale |
3,561 |
| 11 |
Samsung Displaysamsungdisplay.com
Global leader providing cutting-edge display solutions with OLED and QD-OLED technology for smartphones, TVs, laptops, monitors, smartwatches, VRs, game consoles, and automotive applications. |
3,443 |
| 12 |
Kia Worldwideworldwide.kia.com
The company believes movement inspires ideas and creates sustainable mobility solutions, products, stores, and services to free up time for activities |
2,778 |
| 13 |
Hyosung Corporationhyosung.com
An innovative conglomerate focused on developing materials, parts, and equipment for safer vehicles, sustainable electricity, functional clothing, and customer well-being |
2,571 |
| 14 |
Doosan Enerbilitydoosanenerbility.com
A global provider of integrated solutions in power generation, energy, and desalination plants, offering sustainable energy solutions worldwide since 1962 |
1,726 |
| 15 |
Hyundai Motor Grouphyundaimotorgroup.com
Global corporation in automobile, steel, construction industries with focus on creating a better future through innovative thinking and collaborative efforts |
1,585 |
| 16 |
Hyundai Rotemhyundai-rotem.co.kr
A diversified company within Hyundai Motor Group providing innovative and sustainable mobility solutions in the railway, defense, and plant & machinery systems sectors globally |
1,442 |
| 17 |
삼성중공업samsungshi.com
A global leader in shipbuilding and offshore EPC projects, specializing in high-tech vessels like drillships, LNG carriers, FPSOs, and Arctic tankers |
1,423 |
| 18 |
Hanwha Systemshanwhasystems.com
Global company based in South Korea providing defense electronics, ICT solutions, and cutting-edge technology such as air taxis and satellite communication antennas |
1,375 |
| 19 |
Genesisgenesis.com
Genesis is a global luxury automotive brand focusing on high-performance, design, safety, and innovation while leading the way towards a sustainable future with electrification |
1,363 |
| 20 |
SK Oneng.sk-on.com
A global leader in electric vehicle battery development and solutions, offering safe, high-performing products and comprehensive services for sustainable battery lifecycle |
1,224 |
| 21 |
Osstemosstem.com
A leading dental implant company in Korea, pioneering the market, offering comprehensive dental solutions globally to become the top dental industry leader |
1,043 |
| 22 |
LS Automotivelsautomotive.com
A global vehicle components company with world-class quality, offering career opportunities, focused on customer satisfaction, sustainability, and innovation in automotive technologies |
938 |
| 23 |
LS ELECTRICls-electric.com
This company provides power systems and automated solutions for efficiency, sustainability, and clean energy, focusing on smart factories and energy solutions |
881 |
| 24 |
HYUNDAI ELEVATORhyundaielevator.co.kr
The company specializes in providing advanced mobility solutions like elevators, escalators, and parking systems, leveraging technology for a safer and smarter move |
855 |
| 25 |
POSCO DXposcodx.com
A leading provider of total smart industry IT solutions, POSCO ICT offers engineering, automation, system integration, and IT outsourcing services with a focus on green growth and innovation |
844 |
| 26 |
ANY Corporationany21.co.kr
Specialized manufacturer in Korea of medical and industrial monitors, offering OEM and ODM services to top companies worldwide ISO 9001 certified for quality assurance |
822 |
| 27 |
LG Vehicle Solution Globallg.com
A company specializing in commercializing environmentally responsible automotive components and core solutions based on proprietary technologies for global car manufacturers |
801 |
| 28 |
HYUNDAI WIAhyundai-wia.com
A leading company founded in 1976, specializing in manufacturing cutting-edge products for automobile parts, machine tools, and defense industry |
785 |
| 29 |
YG-1yg1.solutions
Global leader in cutting tool manufacturing with 28 production plants and 27 sales offices worldwide, exporting to over 75 countries Dedicated to customer satisfaction |
667 |
| 30 |
Hanwha Aerospace
Specializing in land defense systems, the company's division focuses on developing and providing innovative solutions for military applications |
657 |
| 31 |
KECkeccorp.com
A global semiconductor company established in 1969, specializing in non-memory semiconductor products such as transistors, diodes, ICs, MOSFETs, and more |
648 |
| 32 | 645 | |
| 33 |
NEXEN TIREnewsroom.nexentire.com
Manufacturing and selling high-quality tires globally with advanced technology, strong brand presence, and continuous growth in vehicle tire markets. |
592 |
| 34 |
Humaxhumaxmobility.com
A global provider of total mobility solutions, advanced technologies, and premium content delivery systems for operators, consumers, and vehicle brands worldwide |
587 |
| 35 |
SOLUMsolum-group.com
A global company specializing in power suppliers, tuners, and electronic shelf labels with locations in South Korea, USA, and Germany |
585 |
| 36 | 561 | |
| 37 |
LG HVAC Solutions Globallg.com
The company specializes in providing optimized HVAC solutions for various business environments, focusing on comfort, efficiency, and sustainability through innovative technology |
559 |
| 38 |
Kumho Tirekumhotire.co.kr
A global tire manufacturing company with 8 production facilities across Korea, China, USA, and Vietnam along with a worldwide sales network |
390 |
| 39 | 240 | |
| 40 |
Nara Spacenaraspace.com
Provides complete CubeSat solutions, including development, manufacturing, and operation services. A total solution company for CubeSat technology. |
56 |
| 41 |
Global ZEUS (ZEUS Co., Ltd.)globalzeus.com
The company provides high-quality solutions for the Semiconductor, Automation, LCD, LED, renewable energy, and IT industries through innovative products and exceptional customer support |
44 |
| 42 |
CHC LAB(씨에이치씨랩)chclab.com
A manufacturer of laboratory furniture, fume hoods, and biosafety equipment with a focus on raising industry standards and international expansion |
24 |
| 43 |
CCMTechccmtech.bzh
Specializing in sectors such as vegetables, meat, dairy, biscuit making, forestry, agriculture, and more Services include machining, maintenance, and industrial piping |
22 |
| 44 |
BLUEWINbluewin.co.kr
Electro-osmosis and vacuum drying technology converting municipal or industrial sludge into high-dryness pellets for renewable fuel production and significant disposal cost reduction. |
8 |
| 45 |
SJE Corporation, Ltd.sjecorp.com
The company manufactures and distributes steam cleaning machines for car wash, general cleaning, and more, using minimal water and environmentally friendly technology |
6 |
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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.
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