Samsung Electronics is top number 1 company in South Korea by Market Capitalization as on 2021. As on Jan 7th 2022, Samsung Electronics has market cap of 438 Billion USD. Headquarters is in South Korea.

Post Apple company, Samsung Electronics is second biggest company in world in Electronics Manufacturing company. Samsung manufactures Mobiles, Laptops, Home Appliances, TVs, Refrigerators and many other Electronic Devices.

Samsung Biologics is Biopharmaceutical Manufacturing Company with headquarters in South Korea. It provides development, manufacturing , laboratory testing services at every stage for Biopharmaceutical products while meeting the evolving needs of the global healthcare industry. The company annual revenue is 601.61 million USD, annual operating income is 78.96 million USD and 2,590 employees as on 2020.

SK HYNIX is Semiconductor Company with headquarters in South Korea. Manufactures Products related to DRAM, SSD, Image Sensor, Chips, NAND etc

LG Chem is chemical sector company with headquarters in South Korea.

LG Chem Annual Revenue for year ending December 2019 is 28,625 Billion KRW and has 896 Billion KRW of Annual operating profit and has 376 Billion KRW as Annual Net Profit.

LG Chem has 40,234 employees as on 2020.

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.

Hyundai Motor Company is a Automotive Manufacturer company. It manufactures cars, luxury cars, commercial vehicles. The headquarters is in South Korea.

COUPANG is eCommerce company with headquarters in South Korea. Coupang known for fast delivery of items once order is booked. Company's revenue is US$18.4 billion as on 2021.

Naver Corporation is Internet Company and Search Engine services providing company and Web Portal Business with headquarters 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.

Celltrion is a Biopharmaceutical company. The headquarters is in South Korea.

Celltrion achieved what was thought impossible by launching the world’s first “antibody biosimilar” from a country with a relatively underdeveloped pharmaceutical sector. The company has pioneered numerous uncharted areas to stellar success, which it plans to follow up by continuing its growth as a global biopharmaceutical company with unique approaches to small molecule pharmaceuticals and new businesses such as the Ubiquitous-healthcare platform business.