OCI Company Ltd. engages in the manufacture and sale of basic and carbon chemicals. It offers polysilicon, hydrogen peroxide, sodium percarbonate, phosphoric acid, fumed silica, high purity silicon tetrachloride, caustic soda, sodium hydroxide, hydrochloric acid, sodium hypochlorite, chlorine, silica sand, sodium sulphate anhydrous, acetic acid, soda ash, sodium carbonate, sodium chlorite, ammonium chloride, urea, refined salt, sodium hydrosulfite, polyvinyl alcohol, sodium bicarbonate, and hexachlorodisilane. The company also provides carbon black, toluene di-isocyanate, naphthalene, isoquinoline, indene oil, xylenol, quinoline, cresol, phenol, pitch, wash oil, plasticizer, phthalic anhydride, benzene, aromatic polyester polyol, mixed xylene, toluene, c9, sodium hydrosulfide, non-aromatics, carbon black oil, creosote, and decant oil. OCI Company Ltd. was incorporated in 2023 and is headquartered in Seoul, South Korea.