Morrison Supply Company 1101 North 23rd Street McAllen TX 78501-7470 is a wholesale distributer of commercial and residential plumbing PVF and HVAC equipment parts and supplies. With more than 100 wholesale locations and 30 showrooms Morrison Supply is committed to providing customers with unsurpassed product availability expert service and competitive prices. Areas Served: Morrison Supply has more than 100 wholesale locations and 40 showrooms throughout Texas Louisiana Oklahoma Kansas and New Mexico. What Brands Does Morrison Supply Sell? Morrison Supply carries name brand HVAC supplies from ATCO Carlyle Cozy CPS Diversitech Ductmate Fieldpiece Honeywell JB Lenox Little Giant Malco Nu-Calgon Panasonic Parker Hannifin Reznor Ritchie Soler & Palau and many more.