Headquartered in Ashland City, A. O. Smith is a leading manufacturer and marketer of residential and commercial water heaters and hydronic boilers. A. O. Smith’s selection of residential and commercial water heaters, boilers, and storage tanks is unmatched for quality and diversity. A. O. Smith can provide an energy-efficient solution with maximum value during and for years after installation.

Coastal Supply is the Southeast's pioneer wholesaler of HVAC parts and supplies. They provide HVAC equipment such as air handlers, air conditioners, heat pumps, HVAC motors, diffusers, refrigeration motors, smoke alarms, switches, thermostats and much more.

Equipment Supply & Distribution, Inc. is a Heating and Air Conditioning Distributor in Memphis, Tennessee, USA. They are renowned distributors of Heating and Air Conditioning Equipment and Supplies, including air handlers, air conditioner units, heat pumps, indoor and evaporator coils.

Shupe, Carboni & Associates specializes in the introduction and promotion of selected quality products to HVAC wholesalers in Georgia, Alabama, Mississippi, Tennessee, Kentucky, and Florida. They represent ADP, Atco Flex, Nashua/Polyken Tape, RectorSeal, MagicPak(Allied Air), TRUaire, Glasfloss, Honeywell, LG Electronics, Hardcast, Soler&Palau, Tjernlund, Williams, A-Gas Refrigerant, General Filters, Milwaukee Tool, NAVAC, Cerro.