GRANDINVEST is a company that provides consulting and technical assistance for the start-up of industrial wastewater treatment plants and automated equipment. It offers granulated ferric sulfate, polyamine, organic and inorganic coagulants, corrosion inhibitors, and other chemical products as well as dosing equipment to water and sludge treatment plants. The company caters to petroleum, fishery, paper, sugar, alcohol, and agroindustry sectors.