
SK airplus, established in 2007, is a company specializing in the production of high-purity industrial gases. It operates large-scale production facilities in major domestic hubs including Ulsan, where its headquarters are located, as well as Cheongju and Gumi, establishing a stable supply infrastructure. Through Air Separation Units (ASU), air is cooled and separated to produce industrial gases such as nitrogen, oxygen, and argon, and by purifying CO₂—a by-product of petrochemical processes—the company manufactures ultra-high-purity liquid carbon dioxide and dry ice products. Flexible supply methods such as Tonnage (direct gas supply via pipelines after installing gas production facilities within the client’s factory or on an adjacent site) and Bulk (transportation of gas in liquid form by tanker truck, before supplying it to storage tanks on the client’s premises) are used to deliver optimal gas solutions to clients across a wide range of industries, including semiconductors, petrochemicals, and food processing. Leveraging stable demand from the petrochemical and refining sectors, SK airplus began supplying industrial gases to the semiconductor industry in 2017 and has continued to meet growing demand from semiconductor customers in areas such as Yongin and Cheongju. Efforts will continue to enhance quality and production stability, further strengthening gas supply capabilities within the semiconductor industry.
General Information
Category | Details |
|---|---|
Company Name | SK Airplus Co., Ltd. |
CEO | Jong-Jin Oh |
Date of Establishment | Jun. 25, 2007 |
Business Areas | Manufacturing and Sales of Industrial Gases |
Number of Employees | 270 (as of December 31, 2025) |
Head Office Address | 255, Yongjam-ro, Nam-gu, Ulsan, Republic of Korea |
Business Areas
SK airplus supplies industrial gases and carbon dioxide gases to a wide range of industries, contributing to process stability and quality improvement in key sectors such as semiconductors, steel, pharmaceuticals, and food. Industrial gases such as nitrogen, oxygen, argon, Clean Dry Air (CDA), and hydrogen are essential to semiconductor and precision manufacturing processes, while ultra-high-purity liquid carbon dioxide and dry ice are widely used for cleaning, freezing, and transportation across industries including electronics, food and beverage, and healthcare.

In 2025, SK airplus earned an “A” grade in the SUSTINVEST ESG evaluation while consistently maintaining a “B” rating in the CDP assessment, thereby gaining external recognition for its ESG management performance and climate change response capabilities. Furthermore, drawing on its experience operating at the highest PSM rating (Grade P) and its safety management expertise, the company participated as a mentor in the PSM site-matching consulting program aimed at strengthening safety capabilities in local communities. Through this initiative, the company contributed to the creation of a safety-centered industrial ecosystem and the promotion of mutual growth by supporting its mentee Biz. Partner in achieving a PSM Grade S. Furthermore, building on its Family-Friendly Certification from the Ministry of Gender Equality and Family, it improved employees' quality of life and fostered a flexible organizational culture. SK airplus also established an AI-based smart safety management system to enhance its on-site safety management framework.

SK airplus’s ESG management strategy and detailed activities can be viewed by downloading the file below.