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.
Naver Corporation is Internet Company and Search Engine services providing company and Web Portal Business with headquarters is in South Korea.
The company services including line messenger, currently with over 200 million users from around the world. It products are online search engine and portal site and mobile messaging platform. The headquarters is in South Korea.
SK HOLDINGS is Conglomerate company with business segments Chemicals, Energy, Telecom, Construction, Shipping, Infrastructure, Semiconductors and many more. Headquarters is in South Korea.
SK Holdings Co. Ltd was renamed to SK Inc. in March-2021.
LS Electric Manufactures and Distributes Electrical Products and Power Equipment company. The headquarters is in South Korea.
They offer power devices, systems, and solutions required for transmitting and supplying to customers electricity produced from generators.
They offer automation solutions from unit machine to process control in order to effectively operate industrial sites.
They offer total railway solutions related to manufacturing, installation, testing and maintenance for safer and more efficient operation.
Headquarters is in South Korea.
Daewoo Shipbuilding & Marine Engineering is a Shipbuilding Market company. The headquarters is in South Korea.
Daewoo Shipbuilding & Marine Engineering acquired by Hanwha Ocean for 2 Trillion KRW.
It Manufactures Electrical equipment and parts . Headquarters is in South Korea.
Samsung Fire & Marine Insurance is a leading non-life insurance company in Korea, offering a variety of insurance products and services including fire, marine, automobile, accident, liability, long-term non-life insurance, and private pension. Headquarters is in South Korea.
They also engage in general insurance, automobile insurance, and reinsurance in the U.S., U.K., China, Indonesia, Vietnam, and Singapore.
As on December 2019, they had 6,077 employees (Male Employees: 3,278, Female Employees: 2,799 ).
Posco is Steel Manufacturing Company with headquarters is in South Korea.
Woori Financial Group engages in a broad range of business including corporate banking, retail banking, credit card operations, investment banking, capital markets activities, asset management and asset trust, etc.
Headquarters is in Seoul, South Korea.
As on 2019, it has 874 branches in domestic network and 476 branches Worldwide outside of South Korea.
As on Dec-2021, Woori Financial Group has 768 branches and offices in Korea and 14 overseas branches, 8 overseas branch offices and 4 overseas offices.
Doosan is global leader in the infrastructure support business sector.
Doosan builds large-scale power plants that generate electricity, build infrastructure to supply clean water in Middle East, manufactures Construction Equipment, Works on technologies like robots, mobile fuel cells, Drones, automated and unmanned construction machines.
Headquarters is in South Korea.
LG Chem is chemical sector company with headquarters is in South Korea.
LG Chem has 19,500 employees as on 2022.
The company has built the global network for production, sales and R&D not only in Korea but also in main bases across the world and has provided globally competitive products including ABS, polarizers and EV battery cells, raising its global position as a material supplier.
The company has strengthened market dominance starting from the Petrochemicals business to Energy Solution, Advanced Materials and has expanded its business into Life Science area, building a future-oriented business portfolio.
LG Chem Annual Revenue for year ending December 2022 is 51,864 million KRW and has 1,845 million KRW as Annual Net Profit.
LG Chem has 19,500 employees as on 2022.
SK INNOVATION is Energy and Petrochemical Company, Petroleum Refining, Oil and Gas Exploration company. Headquarters is in South Korea.
Hanmi Semiconductor is semiconductor based company. The headquarters is in South Korea.
They design and manufacture System ICs, Memory Chips, SRAM, DRAM, NOR Flash memory, Foundry Services and serves other semiconductor companies by providing expertise in designing and manufacturing.
KOREA ELECTRIC POWER CORPORATION creates clean and safe energy using wind and solar power. It connect various power services in to one. This is responsible for the generation, transmission and distribution of electricity and the development of electric power projects including those in nuclear power, wind power and coal. The headquarters is in South Korea.
SK TELECOM is Telecom sector company with headquarters is in South Korea.