| | AAA Distributing Company Inc (Chicago, IL) Distributes motor vehicle parts; company is a wholesale distributor of automotive radiators | |
| | Allstate Radiator Mfg (Miami, FL) Manufactures & distributes radiators | |
| | Boulden, B Co Inc (Wayne, PA) Radiators, metal hoses, packing & gaskets | |
| | Dover Diversified Inc (Waukesha, WI) Transformer cooling radiators, beverage can trimmers & turbo machinery repairing | |
| | Go/Dan Industries (Orlando, FL) Motor vehicle radiators & industrial radiators | |
| | Great Lake Inc (Belleville, MI) Industrial off road & passenger vehicle radiators | |
| | Independent Antique Radiator (Carpentersville, IL) Radiators for antique cars, trucks & heavy equipment | |
| | Indiana Heat Transfer Inc (Plymouth, IN) Radiators | |
| | Industrial Cooling Systems Inc (Milwaukee, WI) Radiators for heavy duty diesel & gas engine applications | |
| | McClure Brothers Radiator Svc (Indianapolis, IN) Repair service: radiators, heaters, gas tanks | |
| | Modine Manufacturing Co (La Porte, IN) Industrial machine radiators | |
| | Modine Manufacturing Co (Pemberville, OH) Industrial & automotive radiators | |
| | National Porges Radiator Corp (Chicago, IL) Heavy duty truck radiators & cooling system cores | |
| | Randall Industries (Wyandotte, MI) Radiators | |
| | Rocore Industries Inc (Franklin, WI) Radiators for on & off highway equipment | |
