Exxon Mobil is a comprehensive energy company engaged in resource development, oil refining, and chemical businesses. With capabilities spanning upstream development to the production of high-value-added products, it continues to strengthen competitiveness across the energy value chain.

Hyundai Engineering & Construction is a comprehensive construction company delivering projects across infrastructure, plants, and architecture. Built on extensive experience in large-scale projects and strong technical capabilities, it supports the foundation of cities and industries.

Doosan Enerbility is an energy technology company specializing in the design and manufacturing of power generation facilities, energy systems, and eco-friendly solutions. With strong capabilities across conventional and next-generation energy sectors, it continues to build core infrastructure for the energy transition era.

Samsung C&T is a diversified business enterprise spanning construction, trading, fashion, and resort operations. Supported by global project execution capabilities and operational expertise, it creates stable value across a wide range of industries.

POSCO E&C is a comprehensive engineering company specializing in construction, plant, and infrastructure projects. With capabilities spanning industrial facilities and residential spaces, it continues to build trusted construction competitiveness based on quality and technical expertise.

SK Ecoplant is an eco-friendly engineering company focused on the environment, energy, and infrastructure sectors. Built on expertise in sustainable plant development and urban infrastructure, it continues to lead industrial transformation toward a more sustainable future.

HD Hyundai Heavy Industries is a heavy industry company specializing in shipbuilding, marine plants, and industrial equipment. Backed by extensive experience in large-scale project execution and engineering expertise, it continues to expand competitiveness across the marine and energy industries.

S-oil is an energy company engaged in refining and petrochemical businesses. With operations covering crude oil refining and the production of high-value-added products, it contributes to stable energy supply and stronger industrial competitiveness.

Ssangyong Engineering & Construction is a comprehensive construction company covering architecture, civil engineering, and plant projects. Supported by extensive large-scale project experience and strong construction capabilities, it is recognized for technical excellence and quality.

Hanwha Engineering & Construction is a comprehensive construction company specializing in plants, infrastructure, and building projects. Built on expertise in energy and industrial facilities, it delivers reliable execution of large-scale projects.

STX Heavy Industries is a specialized machinery company focused on the design and manufacturing of marine engines and industrial power equipment. Through precision engineering and manufacturing capabilities, it provides core solutions for the marine and industrial equipment sectors.

Samsung E&A is an engineering company operating across plant, energy, and environmental sectors. Supported by large-scale project experience and integrated design capabilities, it continues to enhance the quality and efficiency of industrial infrastructure development.

GS Caltex is an energy company built on refining and petrochemical businesses. With operations spanning crude oil refining and the production of high-value-added products, it provides stable energy solutions across a wide range of industries.

HD Hyundai Infracore is an industrial equipment company with core strengths in construction machinery and engine technologies. With a broad portfolio ranging from excavators to industrial power solutions, it strengthens industrial competitiveness through field-oriented innovation.

Samsung Heavy Industries specializes in large-scale shipbuilding and marine plant projects. With strong competitiveness in high-value-added shipbuilding and offshore equipment, it delivers complex projects with reliability and technical expertise.

Doosan Engineering & Construction is a comprehensive construction company covering architecture, civil engineering, and plant projects. With balanced capabilities across residential, commercial, and infrastructure developments, it continues to build trust through consistent project execution experience.

Hyundai Engineering is a comprehensive engineering company spanning plant, architectural, and infrastructure projects. With integrated capabilities from design and construction to operational support, it continues to improve the delivery and quality of large-scale projects.

Daewoo Engineering is an engineering company specializing in industrial plant and infrastructure development. With capabilities covering the full project cycle from planning and design to construction, it maintains stable project execution supported by technical expertise.

Dongbu Engineering is an engineering company focused on infrastructure, civil engineering, and environmental projects. Backed by accumulated field experience and technical capabilities, it maintains reliable performance across both public and private sector projects.

Shinsegae Engineering & Construction is a construction company specializing in retail, commercial, and mixed-use development projects. Through strong spatial planning and construction expertise, it delivers projects centered on operational efficiency and high completion standards.

Dongbu Corporation is a comprehensive construction company covering civil engineering, architecture, and plant construction. With experience across infrastructure, residential, and industrial facility projects, it offers reliable quality management and project execution capabilities.

Shingu Construction is a mid-sized construction company focused on architecture and civil engineering. Built on field-oriented experience and practical construction expertise, it continues to improve project quality and operational stability.

Woolim Engineering & Construction Corporation is a construction company with strengths in building, housing, and development projects. Based on experience in demand-driven project execution, it has established a solid reputation for reliable construction quality and trust.

eTEC Engineering & Construction is a specialized construction company focused on plants and industrial facilities. With experience in energy and chemical facility development, it delivers the capabilities required for reliable execution of technically demanding projects.