Arq Inc is an environmental technology company principally engaged in the sale of consumable air, water, and soil treatment solutions including activated carbon (AC) and chemical technologies. The company manufactures and sells activated carbon and other chemicals used to capture and remove contaminants for the coal-fired power generation, industrial, municipal water and air, water and soil treatment and remediation markets. Some of the products in its portfolio are Powdered Activated Carbon, Granular Activated Carbon, and Colloidal Carbon Product among others.