- AES designs and manufactures a variety of air pollution control systems, including fiberbed (fiber bed) coalescing filters for oil mist, fume, smoke and opacity control, thermal and catalytic oxidizers (oxidisers, afterburners, incinerators) for VOC, odor, organic and HAP control, and SCR (selective catalytic reduction) systems for control of NOx. ISO 9001 certified.www.aesinc.com