About SK ecoplant
Company Profile
As a company committed to a sustainable future, SK ecoplant creates synergies by organically linking its core businesses, through accumulated expertise and innovative technologies. Through responsible corporate activities and the practice of ESG management, the company delivers customer-centric value and continues to grow in the global market.
General Overview
Category | Details |
|---|---|
Company Name | SK ecoplant |
CEO | Dong-Hyun Jang (CEO & Vice Chairman, Young-Sik Kim, CEO & President) |
Date of Establishment | 1962.02.21 |
Business Area | Hi-tech, Solution, Gas & Material 및 Asset Lifecycle |
Number of Facilities | 83 (as of December 31, 2025) |
Employee Count | 3,708 (as of December 31, 2025) |
Credit Rating | A- (Corporate Bonds, as of February 6, 2026) |
Headquarters Address | 19 Yulgok-ro 2-gil, Jongno-gu, Seoul |
Website |
Global Network
SK ecoplant is strengthening its competitiveness by establishing overseas branches and building a global network centered on key regions such as the Americas and Asia.
New Vision & Biz. Model
AI Infra Solution Provider
The competitiveness of the high-tech industries in which SK ecoplant’s core businesses operate is now evaluated from a comprehensive perspective that encompasses not only manufacturing facilities but also the operational systems that reliably support them and advanced materials. As AI technology becomes more widespread, demand for high-performance semiconductors is increasing; consequently, securing a stable supply chain for materials and a sustainable operational infrastructure system—in addition to timely infrastructure development—has become more important than ever.
SK ecoplant recognizes these changes in the industrial landscape as opportunities for growth and is strengthening its expertise through strategic selection and focus. Furthermore, the company is continuously restructuring its business portfolio to secure a technological edge in cutting-edge industries such as semiconductors and AI data centers, and to provide new value to customers across the entire AI infrastructure value chain.
SK ecoplant acquired SK airplus, which handles the production and supply of industrial gases, and ESSENCORE, a manufacturer of memory products. It also integrated SK materials performance, SK trichem, SK resonac, and SK materials jnc to complete its business portfolio across the entire spectrum of semiconductor and display materials. The company provides optimal solutions across all areas, from facility construction to the supply and operation of essential semiconductor materials and the recycling of waste resources. As a key partner responsible for the construction and operation of semiconductor infrastructure, its integrated value chain has now entered the final stages of completion.
In line with this trend, SK ecoplant has established a new vision as an “AI Infra Solution Provider” to create distinct future value within the AI ecosystem and has completed a reorganization of its organizational and business structures. Its goal is to evolve into a total solutions provider that supports customers’ business innovation by leveraging the rapid advancement of AI technology and the paradigm shift in the industrial ecosystem for growth. To achieve this new vision, the company will prioritize adhering to safety, quality, and security standards while internalizing system-based management and achieving business plans through advanced operational improvements.
SK ecoplant’s AI Infra Value Chain
Value Proposition from the Customer’s Perspective
SK ecoplant is demonstrating its competitiveness across the entire AI and semiconductor ecosystems through the organic integration of its business units. Building on its long-established EPC (Engineering, Procurement, and Construction) capabilities, the company is establishing a unique business portfolio that spans the entire value chain for AI infrastructure—from the supply of materials essential to semiconductor production to the asset lifecycle management of post-use resources. Through this, the company aims to leverage its unique competitive edge to establish itself as a key partner that grows alongside customers by providing optimal solutions in every area—from facility construction to operation and the recycling of waste resources.
New Vision & Biz. Model
Business Overview
AI Infra Hi-tech Business
From the construction of semiconductor manufacturing facilities to the development
of industrial complexes and operational systems, SK ecoplant is expanding its
AI infrastructure business by providing optimal solutions across all areas.
As an essential partner responsible not only for building cutting-edge AI infrastructure facilities—such as semiconductors and data centers, which are central to the AI era—but also for their operation, SK ecoplant provides optimal services to various global clients, including SK hynix. In particular, the company is strengthening trust with customers by leveraging core competencies acquired through numerous domestic and international plant construction projects—including large-scale semiconductor manufacturing facilities (FABs) and ancillary facilities—as well as its expertise in establishing standard FAB construction models, executing BIM (Building Information Modeling)-based design and construction, and developing data center solutions.
[Business Areas]
Construction of semiconductor manufacturing facilities, development of semiconductor industrial complexes, etc.
Key Business Activities
Category | Main Business | |
|---|---|---|
Total Semiconductor | Leveraging integrated capabilities in the design and construction of semiconductor manufacturing facilities, SK ecoplant is strengthening its position as an AI-optimized infrastructure partner, covering everything from cleanrooms and back-end facilities to infrastructure development. In particular, with the completion of the SK hynix Cheongju M15X plant—a key production base for next-generation HBM (High Bandwidth Memory) and DRAM—SK ecoplant has demonstrated total semiconductor infrastructure capabilities, which extend beyond plant construction to include renovation, maintenance, as well as power and water treatment. The company aims to proactively respond to AI-driven global demand for HBM and AI chips, while creating sustainable growth value by participating in global semiconductor cluster construction projects and providing total semiconductor infrastructure solutions. [Key Achievements] Completion of M15X, completion of the Icheon EUV FAB, etc. |  |
Semiconductor | The Yongin Semiconductor Cluster is a project to develop a National Strategic Industrial Complex (4.15 million square meters) for the production of AI semiconductors and HBM. It is designed as a three-story, high-rise Multi FAB—the world’s first facility with cleanrooms on every floor—and is currently under construction using state-of-the-art semiconductor FAB design and construction technologies. Through this project, SK ecoplant is taking the lead in realizing shared value to revitalize the local economy while contributing to strengthening the future competitiveness of the domestic semiconductor industry. [Key Achievements] |  |
Operation | SK ecoplant provides operational solutions that contribute to enhancing customers’ competitiveness by developing and securing air and water treatment technologies optimized for semiconductor manufacturing facilities. In particular, CSRO (Circle-Sequence Reverse Osmosis) technology—which recycles water by circulating it sequentially multiple times—is expected to play a pivotal role in the total semiconductor infrastructure services the company is currently pursuing. Going forward, SK ecoplant aims to continuously expand the scope of operational systems based on the successful commercialization of CSRO and air pollution control technologies. [Key Achievements] CSRO technology demonstration underway; Performance |  |
AI Infra Solution Business
Setting a new standard for AI infrastructure services, SK ecoplant draws on accumulated
expertise to provide total solutions covering the entire project life cycle.
Drawing on the expertise accumulated through 40 years of business experience and projects undertaken for a diverse range of domestic and international clients, SK ecoplant provides total project life cycle solutions—from design to procurement and construction—across all sectors, including housing, architecture, infrastructure, and energy.
[Business Areas]
Housing and Architecture, Infrastructure Construction, Production and Installation of Fuel Cell Power Generation Systems, etc.
Main Business Activities
Category | Major Business | |
|---|---|---|
AI Data Center | The full-scale arrival of the AI era has driven a surge in data processing demand, and consequently the rapid growth of the data center construction market. In line with these trends, SK ecoplant is currently participating in the Ulsan AI Data Center and Bupyeong Data Center projects. [Key Achievements] |  |
Semiconductor | The Yongin Semiconductor Cluster General Industrial Complex is the world’s largest semiconductor ecosystem within a single city and serves as a key hub for Yongin’s semiconductor industry. SK ecoplant is currently managing the development and leasing of the General Industrial Complex, and has begun full-scale construction of infrastructure such as roads, water supply, electricity, and heat sources. Moving forward, in keeping with the growth of the AI and semiconductor industries, the company plans to continuously expand its infrastructure construction services to enhance the operational efficiency of semiconductor manufacturing facilities. [Key Achievements] Promoting industrial complex operations within the Yongin Semiconductor Cluster |  |
Energy | With cumulative orders totaling 706 MW as of 2025, SK ecoplant is recognized as the domestic industry leader in SOFC (Solid Oxide Fuel Cell) technology. The company is currently operating three fuel cell demonstration projects utilizing idle land at gas stations in urban areas, and possesses technology that converts high-temperature exhaust gases generated by fuel cells and related equipment into energy for cooling. Furthermore, starting with the supply of fuel cells for the U.S. Equinix project and Bu-pyeong AI Data Center, the company is emerging as an energy solutions provider for AI data centers. [Key Achievements] Supply of SOFCs (Solid Oxide Fuel Cells) to the Bupyeong AI Data Center |  |
Housing & Architecture | SK ecoplant creates differentiated value in residential, office, and commercial spaces that are closely integrated into daily life. In particular, through the premium apartment complex “DEFINE,” the company provides living spaces that combine top-tier design with cutting-edge technology. From “SK VIEW”—an apartment complex that conveys the essential value of residential living— [Key Achievements] Secured contracts for redevelopment projects in Myeonmok District 7, Gwangmyeong Districts 13-1 and 2, and Geumcheon and Siheung Districts 3 and 4 |  |
Gas & Material Business
Based on our technological competitiveness, which meets quality and performance
standards recognized in the global market, SK ecoplant provides essential materials for
semiconductors and displays, as well as industrial gas resources.
To proactively respond to the rapid growth of the AI industry—exemplified by surging demand for data centers and semiconductors—SK ecoplant undertook a two-year business restructuring from 2024 to 2025. As a result, in addition to building AI infrastructure such as semiconductor manufacturing facilities (FABs), the company has incorporated gas and materials companies—essential for the production of advanced products like semiconductors—as subsidiaries, rapidly transforming itself into a comprehensive semiconductor services provider. In particular, with supply chain stability and quality reliability emerging as critical challenges due to the nature of the industry, SK ecoplant’s technological capabilities—including R&D expertise and state-of-the-art analytical equipment—are being recognized throughout the market as key competitive advantages.
[Business Areas]
Sales of industrial gases, primarily for the semiconductor industry; sales of semiconductor and display materials; etc.
Main Business Activities
Category | Main Business | |
|---|---|---|
Industrial Gas (SK airplus) | The industrial gas sector is a capital- and technology-intensive industry that requires advanced technical expertise and the prior establishment of large-scale infrastructure to ensure a stable supply. SK airplus, a subsidiary of SK ecoplant, leverages its proprietary project execution capabilities to build facilities—located within or near major industrial complexes and at customer sites—that are optimized for consistent quality and efficient supply. In particular, to meet the strict quality standards for semiconductor-grade industrial gases, the company leverages operational expertise from key production hubs such as Ulsan and Cheongju to reliably supply gases tailored to customer needs. Furthermore, building on its competitive strengths in continuous quality innovation and stable supply, the company plans to emerge as a “Top-tier Total Solution Provider of Industrial Gases for the Semiconductor Industry” and further solidify its leading position in the market. [Key Achievements] Successfully secured all orders for new semiconductor projects |  |
Photoresists & Packaging Materials (SK materials | A photoresist is a light-sensitive material that is an essential component in the photolithography process used to form ultra-fine circuits on wafers. SK materials performance, a subsidiary of SK ecoplant, leverages its cutting-edge R&D capabilities to develop and produce materials essential for semiconductor manufacturing, such as photoresists, BARC (Bottom Anti-Reflective Coating), and SOC (Spin-On Carbon, a carbon-based hard mask material). In addition, the company develops and supplies various materials used in semiconductor back-end processes (Advanced Packaging), such as liquid encapsulants and thermal interface materials (TIM), while expanding its business into the Wet Chem sector (including PMA and EUV Rinse) to become a leader specializing in advanced organic materials. [Key Achievements] Mass production adoption of EUV PR materials for |  |
Precursors (SK trichem) | Precursors are used in the deposition process, which involves building up thin layers of the desired material on a wafer one layer at a time through chemical reactions. As the importance of deposition processes has grown due to the recent trend toward semiconductor miniaturization and the expansion of stacked structures, demand for precursors has been steadily increasing. SK trichem, a subsidiary of SK ecoplant, produces a variety of precursors used in semiconductors, including High-k, Low-k, and Metal precursors. In particular, the company boasts the world’s largest production capacity for organometallic precursors (CpHf) containing hafnium and is strengthening its quality control capabilities based on its expertise in facility operations and state-of-the-art analytical equipment. Furthermore, the company has secured various patents through its R&D capabilities and is enhancing its capacity to develop new materials through R&D collaborations with customers as well as academic and industrial institutions. [Key Achievements] Adoption of TEB (triethyl borate) and TEPO (triethyl phosphate) for mass production |  |
Etching Gases (SK resonac) | Etching gas is used in the process of removing unwanted parts during the formation of semiconductor circuits and is an essential material for precision semiconductor manufacturing. SK resonac, a subsidiary of SK ecoplant, is a joint venture with the Japanese semiconductor materials company Resonac. Through this partnership, SK resonac has achieved indigenous production of etching gas and strengthened Korea’s self-reliance in semi-conductor materials. Based on its synthesis process, SK resonac is the only company in Korea to operate production facilities for CH₃F (monofluoromethane) and HBr (hydrogen bromide), enabling it to stably supply high-purity etching gases. Furthermore, leveraging its accumulated technology and capabilities, the company is committed to developing and producing etching gases that meet the diverse needs of its customers. [Key Achievements] Commencing mass production of HBr (hydrogen bromide) |  |
Blue Dopants | Blue dopant is one of the three primary color-producing elements (blue, green, and red) in OLED emissive layer materials and is an essential material for emitting blue light. Because blue light has a short wavelength and a short lifetime, developing and synthesizing it presents the greatest challenge compared to other emissive layer materials when it comes to achieving both high image quality and long lifespan. SK materials jnc, a subsidiary of SK ecoplant, is a joint venture established by combining JNC’s IP competitiveness—based on its extensive R&D database—with the SK Group’s capabilities in business development, production, quality, and marketing. The company develops and supplies blue dopant, a core material for OLEDs. Furthermore, by leveraging proprietary technology based on boron-related patents, it is strategically collaborating with global corporations and universities in South Korea, the United States, Japan, and China on materials for various OLED layers. Through these partnerships, SK materials jnc aims to provide integrated solutions to customers and lead technological advancements in the OLED materials market. [Key Achievements] Expanding market share in the global blue dopant market; |  |
Asset Lifecycle Business
Leveraging the supply chain network built through its semiconductor module distribution and ITAD capabilities, SK ecoplant is building a global resource circulation ecosystem that spans from resource recovery to reuse and redistribution.
SK ecoplant is engaged in the recovery and recycling of waste memory, metals, and storage resources generated from the manufacturing and sale of DRAM modules and SSD products, as well as from end-of-life products. With 46 facilities across 21 countries worldwide (as of the end of December 2025) and a team of professionals with extensive experience in ITAD and e-waste recycling, it is leading the way in building a global semiconductor resource circulation ecosystem.
[Business Areas]
Semiconductor module manufacturing and distribution, e-waste recycling, ITAD services, etc.
Main Business Activities
Category | Main Business | |
|---|---|---|
ITAD (SK tes) | SK tes, a subsidiary of SK ecoplant, provides IT Asset Disposition (ITAD) services, which involve collecting various IT assets—such as data center servers, smartphones, laptops, and PCs—completely destroying the information stored within them, and subsequently supporting their recycling and reuse. IT assets that have undergone the ITAD process are either repaired, inspected, and resold as refurbished products, or disassembled so that their parts and materials can be recovered and resold, thereby establishing a virtuous cycle for IT asset resources. [Key Achievements] Operating an ITAD network with over 40 global locations across |  |
Data Center ITAD (SK tes) | ITAD services are expanding into the AI data center sector. Building on its information security services, SK tes is rapidly establishing itself as a leader in the AI infrastructure asset recycling sector by quickly and securely processing large-scale data, such as data center servers. By linking its newly established ITAD facility in Virginia with the four ITAD facilities already in operation across the U.S., the company is targeting North America—the world’s largest data center market. Additionally, it expanded its business reach into the EU market by opening a new facility in Shannon, Ireland—a key European data center hub—in 2025. [Key Achievements] |  |
Semiconductor Memory Modules | ESSENCORE, a subsidiary of SK ecoplant, is a global semiconductor memory specialist that manufactures and distributes a wide range of memory and storage products, including DRAM (Dynamic Random Access Memory: volatile memory that loses data when power is turned off), NAND (NAND Flash: non-volatile memory that retains data even when power is turned off), and SSDs (Solid State Drives: NAND). In particular, the company is expanding its presence in the premium market by launching the consumer brand KLEVV centered on high-performance memory modules, and also provides customized solutions for industrial customers. |  |
E-Waste Recycling | SK tes is strengthening its capabilities to manage the cross-border movement of electronic waste in response to changing global regulations while also enhancing the foundation of its e-waste recycling business. With the implementation of the amended Basel Convention in 2025 that tightens regulations governing the cross-border movement of electronic waste, a more systematic approach to compliance is required. SK tes has established regulatory compliance processes, including pre-approval procedures, and is strengthening its cross-border recycling execution system based on its global network of over 40 locations across 21 countries and its operational capabilities. Through these efforts, SK tes supports customers in conducting stable recycling operations even within a complex regulatory environment. [Key Achievements] Strengthening global e-waste recycling capabilities by establishing a compliance framework for the transboundary movement of e-waste |  |