Profile: SouthWest Plumbing Supply offers plumbing, waterworks, HVAC and irrigation supplies. Our brands include Allied Air™, Ducane™, ADP™, Monessen™, Partners Choice™, Malco™, Uei™, Dormont™, Norwesco™, Hart & Cooley™, Diversitech™, Luxpro™, Robertshaw™, Honeywell™, White Rogers Simpson Duravent™ and Essick™.