Top 30 energy companies in South Korea

Doosandoosan.com

A global company specializing in building power plants, industrial facilities, machine tools, engines, bridges, construction equipment, and consumer products

SAMSUNG E&Asamsungena.com

The company specializes in engineering, procurement, construction, and project management for various industries worldwide, focusing on innovative solutions and quality services

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

Hanwha Grouphanwha.com

Global diversified business group specializing in energy, aerospace, finance, retail, and services with a strong focus on sustainability and innovation.

Samsung SDIsamsungsdi.com

Development and production of innovative technology products with cutting-edge features, focusing on creativity and continuous improvement since 1970.

POSCO HOLDINGSnewsroom.posco.com

A global steel producer known for innovative solutions, recognized for competitiveness, and committed to corporate citizenship and sustainable growth

SK Innovationskinnovation.com

SK Innovation is a leading energy company focused on sustainable technologies, oil refining, petrochemicals, electric vehicle batteries, and global material solutions

SKskcareers.com

A diverse collection of multinational manufacturing and service companies united under a holding structure, sharing a common brand and culture for growth and prosperity

Hyosung Corporationhyosung.com

An innovative conglomerate focused on developing materials, parts, and equipment for safer vehicles, sustainable electricity, functional clothing, and customer well-being

SK Groupeng.sk.com

Investment and development in manufacturing, EV batteries, hydrogen energy, pharmaceuticals, semiconductors, focusing on growth, governance, and social impact.

Samsung Heavy Industriesshi.samsung.co.kr

A global leader in shipbuilding and offshore EPC projects, specializing in high-tech vessels and pioneering innovative products in various markets

LOTTE chemicallottechem.com

A global petrochemical company focused on developing cutting-edge technologies for producing high-quality chemical products and expanding globally

Doosan Enerbilitydoosanenerbility.com

A global provider of integrated solutions in power generation, energy, and desalination plants, offering sustainable energy solutions worldwide since 1962

LS Cable & Systemlscns.co.kr

A global cable solutions provider offering state-of-the-art products, engineering services, and global production capacity to power authorities and carriers worldwide

Hyundai Motor Grouphyundaimotorgroup.com

Global corporation in automobile, steel, construction industries with focus on creating a better future through innovative thinking and collaborative efforts

Korea Hydro & Nuclear Power (KHNP)khnp.co.kr

A leading power generation company in South Korea, providing nuclear, hydro, pumped-storage, and renewable energy solutions domestically and internationally

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

Hanwha Oceanhanwhaocean.com

A leading premium shipbuilding and offshore company specializing in building high-quality vessels, offshore platforms, and military ships with cutting-edge technology and expertise

Hyundai Corporationhyundaicorp.com

Leading trading house specializing in export-import services with diverse products, energy resource development, shipbuilding, and expansion into information technology and communication fields

GS Caltexgscaltex.com

A leading petroleum company in South Korea, producing high-quality petroleum products and leading economic development through domestic supply and global exports

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

POSCO International Corpposcointl.com

A global trading and project organizing company specializing in international trade, resource development, and overseas development projects, with a focus on various industries

LX Internationallxinternational.com

A global integrated corporation established in 1953, specializing in energy, resources, and solutions, building trade infrastructure and partnerships worldwide Offering innovative Business Solutions

S-OIL Corporations-oil.com

An oil refining company with integrated operations in lubricants and petrochemicals, ensuring stable crude oil imports and superior competitiveness in the market

Posco International Corporationposcointl.com

The company specializes in international trade, infrastructure development, resource development, and steel distribution as a key subsidiary of a larger group

K-water Water Resources Cooperationor.kr

The company specializes in constructing, operating, and managing water resource facilities, metropolitan waterworks, industrial complexes, renewable energy facilities, and providing contracted-out waterworks and sewage services

hanhwa totalhanwha-total.com

A company specializing in petrochemicals, with a focus on producing various chemical products and materials for a wide range of industries

ILJIN Composites Co.,Ltd.composite.co.kr

Global leader in hydrogen storage systems with over 20 years of experience Provides cylinder and whole system/module solutions for FCEV vehicles

PLAGENplagen.com

Innovative company with patented technology converting plastic, biomass, and sewage waste into green hydrogen, winning awards for hydrogen production

eflow co., ltdeflow.kr

Development of hydrogen fuel cell powertrains, green hydrogen production, and refueling stations for light electric vehicles.