| System Components, 
                        Anodes, Controls, Dehydrators Expansion Valves, Fans, 
                        Filters, Gauges, Refrigerant, Strainers, Oil Thermometers, 
                        Tools, Tubes, V-Belts, Water Regulating Valves and Accessories | 
                   
                    | AlcoEmerson Climate Technologies
 Danfoss Group Global
 Henry Technologies
 Honeywell International Inc.
 Johnson/Penn Controls
 | MetrixParagon
 Ranco
 Sporlan Valve Company
 Sentinal
 Parker Hannifin Corporation
 |