Discover our Deep Transformation Journey, encompassing GS Caltex's history and identity, business evolution, future strategies, and digital transformation efforts.



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Energy for everyday life

Energy for mobility

Energy from nature

Boundless Energy

Deep Transformation Journey

Crude Oil Imports
20+ types from over 10 countries

Refinery Capacity
World's 4th largest single-site oil refinery

Heavy Oil Upgrading
Largest upgrading facility in Korea

AI-Based Rotating Machine Vibration Analysis System

Data-Based Burner Combustion Analysis System

Automated Tanker Loading System

Drone-Assisted Inspection of Non-Process Areas

AI-Based Safety · Security CCTV

Energy Plus Hub
Experience-Centered Service Stations of the Future

Energy Plus Hub
Smart Logistics Center Utilizing Robots

Data- and System-Based Production Planning Platform

AI-Based Catalyst Performance Monitoring System

Aromatics Business
Benzene · Toluene · Xylene

VR · AR Safety Training

Olefin Business
Ethylene · Propylene

Polymer Business
Polyethylene · Polypropylene · Compound Resins

Lubricants Business
Base Oil · Lubricants

Drone-Assisted Delivery of Oil Product Samples

Export of Petroleum and Petrochemical Products
70% of revenue from over 50 countries

Biorefinery Operations

Biodiesel

Sustainable Aviation Fuel (SAF)

Bio Marine Fuel (BMF)

Bio Chemicals
Diols · Acids

Waste Plastic Upcycling
Mechanical Recycling (MR)

Waste Plastic Upcycling
Chemical Recycling (CR)

Waste Plastic Upcycling
Application in Packaging Materials

Waste Plastic Upcycling
Application in Electronics Materials


Waste Plastic Upcycling
Application in Automotive Materials

Hydrogen · Carbon Capture, Utilization, and Storage (CCUS)

Explore key topics in-depth through modular segments.
(Module 1_Who We Are / Module 2_Petroleum / Module 3_Petrochemicals & Lubricants / Module 4_New Energy)


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Module 1_Who We Are

How did the energy of change and expansion begin?

In 1967, GS Caltex was launched as Korea’s first private oil company. At Yeosu Complex, covering 6 million square meters, our technologically advanced facilities and practices helped us become the world’s fourth largest oil refinery.

From our beginnings in refinery to petrochemicals, lubricants, and new low-carbon businesses, we diversified our business portfolio to grow into a comprehensive energy company.

Exporting over 70% of our output to more than 50 countries, we contribute to energy supply stability and drive Korea’s economic development.

But our search for answers goes on. We will keep exploring energy solutions that meet the needs of customers and society as our journey continues.

Energy for sustainable life
GS Caltex



Module 2_Petroleum

Where does the energy for everyday life come from? Finding the answers is what drives us.

At Yeosu Complex, the world’s 4th largest automated refinery, we transform crude oil from the Middle East, United States, Europe, and Asia into high-quality petroleum products.

Our products are more than just fuel. They power industries, light up cities, and bring people together.

But our search for answers goes on. We will continue discovering new possibilities in energy to pioneer a brighter and more prosperous future.

Energy for sustainable life
GS Caltex



Module 3_Petrochemicals & Lubricants

What makes up the energy for everyday life? Finding the answers is what drives us.

Through ongoing investment in facilities and technology, we produce high-quality aromatics, olefins, polymers, and lubricants.

And our petrochemical products are used in automobiles, electronics, construction, apparel, and more.

With innovative technology, we turn our in-house base oil into the optimal lubricants for vehicles and machinery.

But our search for answers goes on. We will continue discovering new possibilities in energy to create a more dynamic tomorrow.

Energy for sustainable life
GS Caltex



Module 4_New Energy

Where is the energy for everyday life headed? Finding the answers is what drives us.

Within the energy paradigm transition, we seize new opportunities.

Filling ships and planes on long journeys with cleaner energy.

Turning biomass and microorganisms into bio products.

Recycling waste plastics to realize a circular economy.

Reducing carbon emissions to protect the environment.

But our search for answers goes on. We will continue discovering new possibilities in energy for a responsible future.

Energy for sustainable life
GS Caltex