South Korea Top Companies List by Market Cap as of August 2026

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 ).

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.

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.