| | Air Mule Fan Inc (Bluffton, IN) Fans, blowers & ventilation equipment | |
| | Allen, L W Inc (Madison, WI) Centrifugal, self-priming, turbine & positive displacement industrial, water & sewage pumping systems; positive displacement blowers; automatic control valves; motor control panels, adjustable speed d | |
| | American Coolair Corp (Jacksonville, FL) Manufacture exhaust & centrifugal fans; blowers | |
| | Americraft Manufacturing Co (Cincinnati, OH) Ventilating & exhaust fans & blowers | |
| | Big Jack Industries Inc (Atlanta, GA) Manufactures pneumatic conveyors & blowers | |
| | Blizzard Fan & Blower Corp (Miami, FL) Ventilating fans, blowers & sheet metal fabricating | |
| | Brundage Blowers (Jackson, MI) Fans & blowers | |
| | Capital Engineering & Mfg Co (Chicago, IL) Machine shop: general & CNC machining; blowers, fans, filters, weldments, drilling, boring, cutting, honing, metal fabricating, mill & lathe work | |
| | Chicago Blower Corp (Glendale Hts, IL) Industrial blowers & fans | |
| | Cincinnati Fan & Ventilator Co (Mason, OH) Manufactures industrial fans & blowers, portable dust collectors & fume exhausters | |
| | Clyde Bergemann Inc (Atlanta, GA) Soot blowers & port cleaners | |
| | DeMarco Max Vac Corp (Mchenry, IL) Positive displacement blowers & pumps, silencer base mufflers, industrial vacuuming systems & epqt | |
| | Detroit Air Compressor Co (Ferndale, MI) Wholesale compressors & blowers | |
| | Diamond Power Specialty Co (Lancaster, OH) Boiler cleaning systems & parts, water level gauges, soot blowers, furnace imaging, control & fiber optic viewing systems | |
| | DSP-Monoxivent Inc (Rock Island, IL) Ventilation & filtration vehicle exhaust & welding fume portable & cartridge collector systems, fans & blowers | |
