| | Howden Buffalo Inc (New Phila, OH) Fans, blowers & air moving equipment | |
| | Illinois Blower Inc (Cary, IL) Heavy duty industrial & custom blowers & fans | |
| | Indiana Fan & Fabrication (Indianapolis, IN) Exhausters & blowers; industrial sheet metal fabricating | |
| | Invincible Airflow Systems (Baltic, OH) Industrial vacuum equipment, flux recovery systems & blowers | |
| | Jan-Air Inc (Richmond, IL) Industrial blower wheels, vents, fans & blowers | |
| | Krendl Machine Co Inc (Delphos, OH) All fiber machines & machine blowers, commercial & wall cavity spray nozzles, hose reels & wall scrubbers, custom fiber feeding machinery | |
| | Lau Conaire (Dayton, OH) Manufactures fans, blowers, humidifiers, air moving equipment & blower wheels | |
| | Lau Industries Inc (Dayton, OH) Propellers & blowers for HVAC industry | |
| | Lau Industries Inc (Lebanon, IN) Custom industrial fans & blowers | |
| | Master Appliance Corp (Racine, WI) Portable flammables heat equipment: heat guns, blowers, butane; iron, heat tool & torch soldering | |
| | New York Blower Co (Willowbrook, IL) Large industrial fans & blowers | |
| | New York Blower Co (La Porte, IN) Unit heaters & industrial blowers | |
| | Phelon, R E Co Inc (Lomira, WI) Small engine parts for lawnmowers & snow blowers | |
| | R & M Equipment Co (Pottstown, PA) Rotary positive & centrifugal blowers | |
| | Revcor Inc (Carpentersville, IL) Blowers & fans | |
