Duncan Supply Company’s comprehensive $32 million inventory includes over 40,000 items in stock ready for immediate delivery. Our product lines represent relationships with more than 400 vendors across the HVAC, Refrigeration and Food Service product lines. For those rare and unusual products that we may not have in stock at any of our branch locations, we have many sources and relationships for acquiring them. Tell us what you are looking for and give us the opportunity to find it for you. See the video below for more capabilities that Duncan Supply has to better service your business.