Samsung Heavy Industries has successfully completed many of the world's first and largest shipbuilding and offshore EPC projects. Headquarters is in South Korea
Samsung Heavy Industries has secured orders for 1,249 ships and offshore facilities and successfully delivered 1,135 units as of December 31, 2019.
South Korea Top Companies List by Market Cap in August 2026
South Korea Top Companies List by Market Cap as of August 2026. Biggest South Korea Companies List by Market Cap in August 2026. South Korea Largest Companies in August 2026.
Rank as per Search Criteria: 41
World Rank (Aug-2026): 1,704
Market Cap (Aug-15-2026): 13.693 Billion USDWorld Rank (Jan-2024): 2,935
Market Cap (Jan-05-2024): 4.97 Billion USD
World Rank (Jul-30-2023): 2,546
Market Cap (Jul-30-2023): 5.96 Billion USD
World Rank (Jan-07-2022): 3,748
Market Cap (Jan-07-2022): 4.19 Billion USD
Headquarters Country: South Korea
Business Sector: Aerospace and Defense
Annual Revenue in USD: 7,589 Million USD
Annual Net Income in USD: 389 Million USD
Annual Results for Period Ending: For year ending December-2025
Employee Count: 13,974
Employee Count as of Date: As on 2022
Company Profile:
Stock Price: Yahoo @ SouthKorea
Company Website: Samsung Heavy Industries
Rank as per Search Criteria: 42
World Rank (Aug-2026): 1,721
Market Cap (Aug-15-2026): 13.540 Billion USDWorld Rank (Jan-2024): 1,726
Market Cap (Jan-05-2024): 9.51 Billion USD
World Rank (Jul-30-2023): 2,091
Market Cap (Jul-30-2023): 7.63 Billion USD
World Rank (Jan-07-2022): 1,905
Market Cap (Jan-07-2022): 9.87 Billion USD
Headquarters Country: South Korea
Business Sector: Technology, Software and IT, Software Products
Annual Revenue in USD: 9,927 Million USD
Annual Net Income in USD: 541 Million USD
Annual Results for Period Ending: For year ending December-2025
Employee Count: 25,405
Employee Count as of Date: As on 2022
Company Profile:
SAMSUNG SDS is Information Technology Company with headquarters is in Seoul, South Korea.
Stock Price: Yahoo @ SouthKorea
Company Website: Samsung SDS
Rank as per Search Criteria: 43
World Rank (Aug-2026): 1,749
Market Cap (Aug-15-2026): 13.302 Billion USDWorld Rank (Jan-2024): 1,751
Market Cap (Jan-05-2024): 9.38 Billion USD
World Rank (Jul-30-2023): 1,638
Market Cap (Jul-30-2023): 10.30 Billion USD
World Rank (Jan-07-2022): 1,763
Market Cap (Jan-07-2022): 10.86 Billion USD
Headquarters Country: South Korea
Business Sector: Technology, Chemicals, Telecom, Conglomerate
Annual Revenue in USD: 5,168 Million USD
Annual Net Income in USD: 525 Million USD
Annual Results for Period Ending: For year ending December-2025
Employee Count: 75,000
Employee Count as of Date: As on 2023
Company Profile:
Conglomerate Company with subsidiary companies working in Electronics, Telecom, Chemical sectors.
Stock Price: Yahoo @ SouthKorea
Company Website: LG Corp
Rank as per Search Criteria: 44
World Rank (Aug-2026): 1,763
Market Cap (Aug-15-2026): 13.135 Billion USDWorld Rank (Jan-2024): 2,087
Market Cap (Jan-05-2024): 7.60 Billion USD
World Rank (Jul-30-2023): 2,094
Market Cap (Jul-30-2023): 7.61 Billion USD
World Rank (Jan-07-2022): 2,286
Market Cap (Jan-07-2022): 7.85 Billion USD
Headquarters Country: South Korea
Business Sector: Tobacco and Cigarette, Tobacco Products, Cigarettes
Annual Revenue in USD: 4,689 Million USD
Annual Net Income in USD: 777 Million USD
Annual Results for Period Ending: For year ending December-2025
Employee Count: 4,102
Employee Count as of Date: As on 2022
Company Profile:
KT&G CORPORATION is Tobacco and Tobacco Products company with headquarters is in South Korea.
Stock Price: Yahoo @ SouthKorea
Company Website: Korea Tobacco & Ginseng Corporation
Rank as per Search Criteria: 45
World Rank (Aug-2026): 1,810
Market Cap (Aug-15-2026): 12.799 Billion USDWorld Rank (Jan-2024): 5,613
Market Cap (Jan-05-2024): 2.04 Billion USD
World Rank (Jul-30-2023): 7,677
Market Cap (Jul-30-2023): 1.24 Billion USD
World Rank (Jan-07-2022): 8,514
Market Cap (Jan-07-2022): 1.20 Billion USD
Headquarters Country: South Korea
Business Sector: Aerospace and Defense
Annual Revenue in USD: 3,069 Million USD
Annual Net Income in USD: 181 Million USD
Annual Results for Period Ending: For year ending December-2025
Stock Price: Yahoo @ SouthKorea
Company Website: LIG NEX1
Rank as per Search Criteria: 46
World Rank (Aug-2026): 1,830
Market Cap (Aug-15-2026): 12.672 Billion USDWorld Rank (Jan-2024): 974
Market Cap (Jan-05-2024): 18.53 Billion USD
World Rank (Jul-30-2023): 1,004
Market Cap (Jul-30-2023): 18.06 Billion USD
World Rank (Jan-07-2022): 569
Market Cap (Jan-07-2022): 36.17 Billion USD
Headquarters Country: South Korea
Business Sector: Communication Services, Software and IT, Internet or Mobile App Based Business, Technology
Annual Revenue in USD: 5,772 Million USD
Annual Net Income in USD: 350 Million USD
Annual Results for Period Ending: For year ending December-2025
Employee Count: 3,901
Employee Count as of Date: As on 2022
Company Profile:
Kakao is Internet company and mobile app messaging with headquarters is in South Korea. The company has 3,901 employees as on 2022.
Stock Price: Yahoo @ SouthKorea
Company Website: Kakao
Rank as per Search Criteria: 47
World Rank (Aug-2026): 1,867
Market Cap (Aug-15-2026): 12.353 Billion USDWorld Rank (Jan-2024): 2,587
Market Cap (Jan-05-2024): 5.85 Billion USD
World Rank (Jul-30-2023): 2,343
Market Cap (Jul-30-2023): 6.59 Billion USD
World Rank (Jan-07-2022): 1,997
Market Cap (Jan-07-2022): 9.32 Billion USD
Headquarters Country: South Korea
Business Sector: Energy, Oil and Gas
Annual Revenue in USD: 24,405 Million USD
Annual Net Income in USD: 126 Million USD
Annual Results for Period Ending: For year ending December-2025
Employee Count: 2,865
Employee Count as of Date: As on 2022
Company Profile:
Petroleum Refining, Petro Chemical Products Production, Lubricant Products is the core business of S-Oil. Headquarters is in South Korea.
Stock Price: Yahoo @ SouthKorea
Company Website: S-Oil
Rank as per Search Criteria: 48
World Rank (Aug-2026): 1,916
Market Cap (Aug-15-2026): 11.964 Billion USDWorld Rank (Jan-2024): 4,014
Market Cap (Jan-05-2024): 3.36 Billion USD
World Rank (Jul-30-2023): 3,922
Market Cap (Jul-30-2023): 3.48 Billion USD
World Rank (Jan-07-2022): 4,539
Market Cap (Jan-07-2022): 3.27 Billion USD
Headquarters Country: South Korea
Business Sector: Construction Equipment, Industry Machinery, Marine Systems, Infrastructure
Annual Revenue in USD: 50,781 Million USD
Annual Net Income in USD: 686 Million USD
Annual Results for Period Ending: For year ending December-2025
Employee Count: 39
Employee Count as of Date: As on May-2021
Company Profile:
The HD Hyundai’s providing marine solutions, including ship propulsion systems, offshore plants and ship lifecycle maintenance services. Headquarters is in South Korea.
Stock Price: Yahoo @ SouthKorea
Company Website: HD Hyundai Co. Ltd.
Rank as per Search Criteria: 49
World Rank (Aug-2026): 1,947
Market Cap (Aug-15-2026): 11.694 Billion USDWorld Rank (Jan-2024): 2,221
Market Cap (Jan-05-2024): 7.05 Billion USD
World Rank (Jul-30-2023): 2,373
Market Cap (Jul-30-2023): 6.50 Billion USD
World Rank (Jan-07-2022): 2,678
Market Cap (Jan-07-2022): 6.43 Billion USD
Headquarters Country: South Korea
Business Sector: Financial Services, Banking Services
Annual Revenue in USD: 7,098 Million USD
Annual Net Income in USD: 1,932 Million USD
Annual Results for Period Ending: For year ending December-2025
Employee Count: 12,495
Employee Count as of Date: As on 2022
Company Profile:
INDUSTRIAL BANK OF KOREA is Banking and Financial Services company with headquarters is in South Korea.
As on September-2019, it had 13,256 employees and 689 Branches and KRW 338,800 billion assets.
As on 2021, INDUSTRIAL BANK OF KOREA has more than 560 branches throughout the nation and about 20 international locations in Asia.
Stock Price: Yahoo @ SouthKorea
Company Website: Industrial Bank of Korea
Rank as per Search Criteria: 50
World Rank (Aug-2026): 1,965
Market Cap (Aug-15-2026): 11.526 Billion USDWorld Rank (Jan-2024): 5,232
Market Cap (Jan-05-2024): 2.30 Billion USD
World Rank (Jul-30-2023): 4,771
Market Cap (Jul-30-2023): 2.62 Billion USD
World Rank (Jan-07-2022): 6,387
Market Cap (Jan-07-2022): 1.95 Billion USD
Headquarters Country: South Korea
Business Sector: Railway, Railway Vehicles and Railway Components, Defense Products
Annual Revenue in USD: 4,161 Million USD
Annual Net Income in USD: 549 Million USD
Annual Results for Period Ending: For year ending December-2025
Company Profile:
Hyundai Rotem manufacture and supplies Various kinds of railroad car related equipment to the global market company. The headquarters is in South Korea.
Stock Price: Yahoo @ SouthKorea
Company Website: HYUNDAI ROTEM COMPANY
Rank as per Search Criteria: 51
World Rank (Aug-2026): 1,993
Market Cap (Aug-15-2026): 11.376 Billion USDWorld Rank (Jan-2024): 2,876
Market Cap (Jan-05-2024): 5.10 Billion USD
World Rank (Jul-30-2023): 2,780
Market Cap (Jul-30-2023): 5.37 Billion USD
World Rank (Jan-07-2022): 2,934
Market Cap (Jan-07-2022): 5.76 Billion USD
Headquarters Country: South Korea
Business Sector: Transportation, Logistics
Annual Revenue in USD: 21,070 Million USD
Annual Net Income in USD: 1,236 Million USD
Annual Results for Period Ending: For year ending December-2025
Employee Count: 1,447
Employee Count as of Date: As on May-2021
Company Profile:
Logistics Company with headquarters is in Seoul, South Korea.
Stock Price: Yahoo @ SouthKorea
Company Website: HYUNDAI GLOVIS
Rank as per Search Criteria: 52
World Rank (Aug-2026): 2,023
Market Cap (Aug-15-2026): 11.126 Billion USDWorld Rank (Jan-2024): 3,485
Market Cap (Jan-05-2024): 4.03 Billion USD
World Rank (Jul-30-2023): 2,996
Market Cap (Jul-30-2023): 4.95 Billion USD
World Rank (Jan-07-2022): 2,607
Market Cap (Jan-07-2022): 6.65 Billion USD
Headquarters Country: South Korea
Business Sector: Technology, Electronics, Semiconductors, Electrical Products
Annual Revenue in USD: 15,604 Million USD
Annual Net Income in USD: 243 Million USD
Annual Results for Period Ending: For year ending December-2025
Employee Count: 15,622
Employee Count as of Date: As on Dec-2020
Company Profile:
LG INNOTEK manufactures electric and electronic components and products. Headquarters is in South Korea.
Stock Price: Yahoo @ SouthKorea
Company Website: LG INNOTEK
Rank as per Search Criteria: 53
World Rank (Aug-2026): 2,052
Market Cap (Aug-15-2026): 10.902 Billion USDWorld Rank (Jan-2024): 903
Market Cap (Jan-05-2024): 20.24 Billion USD
World Rank (Jul-30-2023): 612
Market Cap (Jul-30-2023): 31.00 Billion USD
World Rank (Jan-07-2022): 2,114
Market Cap (Jan-07-2022): 8.62 Billion USD
Headquarters Country: South Korea
Business Sector: Basic Materials, Chemicals, Construction Materials
Annual Revenue in USD: 2,094 Million USD
Annual Net Income in USD: 23 Million USD
Annual Results for Period Ending: For year ending December-2025
Employee Count: 38,175
Employee Count as of Date: As on 2022
Company Profile:
POSCO CHEMICAL specializes in global coal chemicals, battery needed chemicals and carbon materials. POSCO CHEMICAL creates differentiated customer value with market products and services in the field of chemistry and materials. Headquarters is in South Korea.
Stock Price: Yahoo @ SouthKorea
Company Website: POSCO CHEMICAL
Rank as per Search Criteria: 54
World Rank (Aug-2026): 2,068
Market Cap (Aug-15-2026): 10.795 Billion USDWorld Rank (Jan-2024): 4,787
Market Cap (Jan-05-2024): 2.63 Billion USD
World Rank (Jul-30-2023): 5,422
Market Cap (Jul-30-2023): 2.19 Billion USD
World Rank (Jan-07-2022): 5,313
Market Cap (Jan-07-2022): 2.63 Billion USD
Headquarters Country: South Korea
Business Sector: Aerospace and Defense, Electronics, Defense Products, Aircraft Parts
Annual Revenue in USD: 2,611 Million USD
Annual Net Income in USD: 173 Million USD
Annual Results for Period Ending: For year ending December-2025
Company Profile:
Hanwha Systems manufactures advanced defense electronics, aircraft parts and develops smart technologies in the IT field. Headquarters is in South Korea.
Stock Price: Yahoo @ SouthKorea
Company Website: HANWHA SYSTEMS
Rank as per Search Criteria: 55
World Rank (Aug-2026): 2,158
Market Cap (Aug-15-2026): 10.330 Billion USDHeadquarters Country: South Korea
Annual Revenue in USD: 1,088 Million USD
Annual Net Income in USD: 206 Million USD
Annual Results for Period Ending: For year ending December-2025
Rank as per Search Criteria: 56
World Rank (Aug-2026): 2,173
Market Cap (Aug-15-2026): 10.259 Billion USDWorld Rank (Jan-2024): 3,475
Market Cap (Jan-05-2024): 4.04 Billion USD
World Rank (Jul-30-2023): 3,759
Market Cap (Jul-30-2023): 3.69 Billion USD
World Rank (Jan-07-2022): 5,165
Market Cap (Jan-07-2022): 2.75 Billion USD
Headquarters Country: South Korea
Business Sector: Aerospace and Defense, Aerospace Products, Aeroplane, Satellites
Annual Revenue in USD: 2,634 Million USD
Annual Net Income in USD: 132 Million USD
Annual Results for Period Ending: For year ending December-2025
Company Profile:
Aerospace Company manufacturing aerospace products, satellites with headquarters is in South Korea.
Stock Price: Yahoo @ SouthKorea
Company Website: KOREA AEROSPACE
Rank as per Search Criteria: 57
World Rank (Aug-2026): 2,264
Market Cap (Aug-15-2026): 9.650 Billion USDWorld Rank (Jan-2024): 3,611
Market Cap (Jan-05-2024): 3.84 Billion USD
World Rank (Jul-30-2023): 4,259
Market Cap (Jul-30-2023): 3.09 Billion USD
World Rank (Jan-07-2022): 4,628
Market Cap (Jan-07-2022): 3.19 Billion USD
Headquarters Country: South Korea
Business Sector: Technology, Software and IT
Annual Revenue in USD: 3,030 Million USD
Annual Net Income in USD: 130 Million USD
Annual Results for Period Ending: For year ending December-2025
Company Profile:
Hyundai AutoEver is a mobility software platform to flexibly connect hardware and software company focused on smart factory that makes the finished vehicle production line intelligent, home, building, safety control, energy, etc. The headquarters is in South Korea.
Stock Price: Yahoo @ SouthKorea
Company Website: HYUNDAI AUTOEVER CORPORATION
Rank as per Search Criteria: 58
World Rank (Aug-2026): 2,275
World Rank (Jan-2024): 2,275
World Rank (Jul-30-2023): 2,275
World Rank (Jan-07-2022): 2,275
Market Cap (Jan-07-2022): 7.90 Billion USD
Headquarters Country: South Korea
Business Sector: Basic Materials, Metal Products Manufacturing, Iron and Steel
Annual Revenue in USD: 2,730 Million USD
Annual Net Income in USD: 155 Million USD
Annual Results for Period Ending: Dec-2021 ending year
Company Profile:
KG Dongbu Steel is a Steel Production company. It has a unique pre painted product which can provide natural material such as wood, stone, bricks and metals on the steel sheet. The headquarters is in South Korea.
Company Website: KG DONGBUSTEEL
Rank as per Search Criteria: 59
World Rank (Aug-2026): 2,307
Market Cap (Aug-15-2026): 9.358 Billion USDWorld Rank (Jan-2024): 4,510
Market Cap (Jan-05-2024): 2.88 Billion USD
World Rank (Jul-30-2023): 4,124
Market Cap (Jul-30-2023): 3.23 Billion USD
World Rank (Jan-07-2022): 3,643
Market Cap (Jan-07-2022): 4.35 Billion USD
Headquarters Country: South Korea
Business Sector: Engineering Products, Engineering Services, Infrastructure, Construction
Annual Revenue in USD: 22,136 Million USD
Annual Net Income in USD: 266 Million USD
Annual Results for Period Ending: For year ending December-2025
Employee Count: 6,234
Employee Count as of Date: As on 2020
Company Profile:
Infrastructure and Commercial Complexes Construction Company with headquarters is in South Korea. Involved in construction of harbours and dams as well.
Stock Price: Yahoo @ SouthKorea
Company Website: Hyundai Engineering & Construction
Rank as per Search Criteria: 60
World Rank (Aug-2026): 2,361
Market Cap (Aug-15-2026): 9.141 Billion USDWorld Rank (Jan-2024): 2,355
Market Cap (Jan-05-2024): 6.58 Billion USD
World Rank (Jul-30-2023): 2,617
Market Cap (Jul-30-2023): 5.79 Billion USD
World Rank (Jan-07-2022): 2,847
Market Cap (Jan-07-2022): 5.94 Billion USD
Headquarters Country: South Korea
Business Sector: Communication Services, Telecom, Utilities, Telecom Equipment
Annual Revenue in USD: 20,134 Million USD
Annual Net Income in USD: 1,225 Million USD
Annual Results for Period Ending: For year ending December-2025
Employee Count: 20,544
Employee Count as of Date: As on 2022
Company Profile:
KT Corporation is a Telecommunications company. The headquarters is in South Korea.
- 1.42 million mobile subscribers as on 4th quarter of 2019.
- 5.47 million Giga internet subscribers as on 4th quarter of 2019.
- IPTV subscribers reached a total of 8.35 million subscribers as on 4th quarter of 2019.
- AI platform, GiGA Genie, surpassed 2.14 million subscribers as of the end of 2019.
Stock Price: Yahoo @ NYSE
Company Website: KT CORPORATION
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