OCI Holdings Company Ltd. operates as a chemical company in South Korea. It offers renewable energy and energy solutions, such as solar-grade polysilicon and solar PV modules; advanced materials, including electronic-grade polysilicon, phosphoric acid, hydrogen peroxide, high softening point pitch, and SiH4. The company is also involved in solar PV projects; development of residential and commercial complex; and developing new drugs and treatments. In addition, it operates a cogeneration power plant and supplies electricity and steam. OCI Holdings Company Ltd. was incorporated in 1959 and is headquartered in Seoul, South Korea.