Calculus Industries is a private limited company, incorporated in the Republic of Namibia. The company was registered in 2017 and is 100% Namibian owned. Calculus Industries is setting up a greenfield chloralkali plant in the Arandis Constituency. Construction of this plant is expected to start in the last quarter of 2020. The plant intends to produce caustic soda, carbon dioxide and chlorine derivatives. Production is estimated to begin in the third quarter of 2022.