ProMark Associates, Inc. is a global provider of air filtration and air purification systems, equipment, technology, products and solutions for industrial plants, commercial buildings, and HVAC markets. Proprietary gas phase filtration media is a powerful solution for odor and corrosion control in wastewater treatment, toxic gases (sulfur dioxide, ammonia) in refineries, and volatile organic compounds (VOC) in indoor air. Gas phase filter equipment, media modules, corrosion control and environmental monitoring offer a complete solution.