SL Energy Co., Ltd. engages in the production, and sale of heavy and alternative oil fuel. It operates through the SL BC and Byproduct fuel oil business divisions. The SL BC business division focuses on eco-friendly fuel oil. The Byproduct fuel oil business division refers to fuel from the manufacturer LG Chem. The company was founded on July 4, 2007 and is headquartered in Yongin-si, South Korea.