CECO Environmental was set up in 1966 and now is based in Cincinnati, Ohio. The company provides air pollution control technology, products and services for various industries, including aerospace, brick, cement, steel, printing, food, foundries, utilities, woodworking, chemical processing, glass, automotive, ethanol, pharmaceuticals and refining. Currently (2013.12) the company owns twelve subsidiaries.CECO Environmental acquired Met-Pro Corporation in August 2013.