Dealers Supply Company Inc. 1148 Hayes Industrial Drive NE Marietta GA 30062 is a wholesale supply house of HVAC equipment supplies and accessories. AREAS SERVED: Dealer Supply Company has HVAC supply houses in both Georgia and North Corolina. BRANDS CARRIED: Dealer Supply Company offers products from Ruud Fujitsu ADP Cozy LG Diversitech Protech Mueller Braeburn Honeywell ICM White Rodgers Atco Broan Field Controls Panasonic Ventamatic Little Giant Harris Malco Ritchie Bristol Copeland Tecumseh and many other name brand HVAC supplies.