| | Electric Cleaner Co Inc Vacuum cleaners & blowers for animals & industry, automobile vacuums & home central vacuum systems | |
| | Excelsior Blower Systems Inc Industrial blowers systems | |
| | Furey Filter & Pump Inc Manufacture & distribute industrial filters, pumps, positive displacement blowers & engineered systems | |
| | H D A Fans Inc Industrial fans & blowers; gas tight & high temperature fans; custom fabrication | |
| | H T I Industries Blowers & fans | |
| | Hartzell Fan Inc Industrial fans, blowers & gas heating units | |
| | Harvey Industries Inc Garage exhaust systems, hose, components, blowers & accessories | |
| | Heil-Chicago Inc Distributes industrial equipment; company is a wholesale distributor of Blackmer compressors, blowers & pumps | |
| | Hively, Borden Rebuilt plastic extruders, granulators, blown film dies, drying ovens, blowers, densifiers, water tanks & pelletizers | |
| | Howden Buffalo Inc Fans, blowers & air moving equipment | |
| | Howden Buffalo Inc Blowers & fans | |
| | IAP Inc Industrial fans & blowers | |
| | Illinois Blower Inc Heavy duty industrial & custom blowers & fans | |
| | Indiana Fan & Fabrication Exhausters & blowers; industrial sheet metal fabricating | |
| | Insul-Quip Inc Insulation blowers | |
