Twin City Fan Companies, Ltd. is a group of fan companies that manufacture and sell a complete range of centrifugal and axial propeller fans, power roof ventilators and related equipment. The Minneapolis headquarters is home to all corporate, sales, engineering, accounting, marketing and administrative functions. A state-of-the-art air and sound test lab adjoins. Twin City Fan Companies manufactures its products at four South Dakota plants, located in Aberdeen, Brookings, Elkton, and Mitchell, as well as at plants in Pulaski, Tennessee and Dayton, Ohio. It also owns a foundry in Davenport, Iowa. Our products cover the entire fan market and are sold under the trade names of Aerovent, Clarage, Twin City Fan & Blower, Azen Manufacturing Pte., Ltd. in Singapore, TCF India, TCF China, TCF Vzduchotechnika ltd. in the Czech Republic, and Clarage Turbo Technology in Czech Republic. Twin City Fan & Blower is a manufacturer of high quality commercial and industrial fans. www.tcf.com Aerovent manufactures a wide variety of air moving equipment from propellers to complete air make-up systems. Our primary business is the supply of fans for heavy commercial and industrial applications. www.aerovent.com Clarage manufactures custom industrial and heavy-duty centrifugal fans, exhausters, ventilators for any industrial application. www.clarage.com AA/EOE/M/W/Vet/Disability