SK Discovery Co. Ltd. is an investment holding company which invests mainly in chemicals, pharmaceuticals, energy projects, and real estate. It operates through the following divisions: Investment Business, Eco-Friendly Materials and Pharmaceutical Business, Gas Business, Plasma Fractionation Business, Real Estate Development and Operation Business, Renewable Energy Business, Other Business, and Vaccine and Biopharmaceutical Manufacturing Industry. The Investment Business division refers to the management of subsidiaries and investment in new businesses. The Eco-Friendly Materials and Pharmaceutical Business division focuses on the production and sales of eco-friendly materials and synthetic pharmaceuticals. The Gas Business division includes import, storage, and sale of chemical products such as LPG. The Plasma Fractionation Business division manufactures and sells plasma fractionated products. The Real Estate Development and Operation Business division relates to real estate development and housing rental. The Renewable Energy Business division is involved in the installation and operation of wind, solar, and fuel cell power plants. The Other Business division covers the real estate data solutions business, energy generation business, and group energy supply business. The Vaccine and Biopharmaceutical Manufacturing Industry division produces and sell influenza, shingles, chickenpox, and COVID-19 vaccines. The company was founded on July 1, 1969 and is headquartered in Seongnam-si, South Korea.