, formerly known as Química del Pacífico S.A., was founded in 1964 to deal with the production and commercialisation of caustic soda, chlorine, dicalcium phosphate and other chemical products as well as industrial and domestic salt.

In 1994 QUIMPAC acquired EMSAL S.A. (Empresa de la Sal S.A.) becoming the major producer of salt in the country.

In 1997 QUIMPAC acquired the Paramonga Chemical-Paper Complex (ex W.R. Grace Co. - Sociedad Paramonga LTDA) duplicating the production capacity of its chemical plant and entering into the paper business.

QUIMPAC is at present the sole integral producer of salt, chemical products and paper rolls in Peru, and one of the five main producers of chlorine-soda in South America.

The production operations are performed in its plants located in Oquendo (Callao), Huacho (130 km north of Lima), Paramonga (210 km north of Lima) and Otuma, Pisco (280 km south of Lima). The administrative offices are located in Oquendo.

QUIMPAC is present in the national as well as in the international market. Its different divisions attend markets throughout Peru and in countries such as Argentina, Bolivia, Chile, Colombia, Ecuador, Uruguay, Paraguay, Venezuela, Central America, the United States.