Mid 1750 North Oak Dr City Supply 46563 is a family owned business founded in 1947 as a retail plumbing store. Today they are a wholesale supply house of plumbing refrigeration and HVAC parts supplies and equipment. AREAS SERVED: Mid-City Supply offers HVAC supply house locations in both Indiana and Michigan. BRANDS CARRIED: Mid-City Supply carries name brand HVAC supplies from Ao Smith Amtrol American Standard Aprilaire ATCO ASCO Bell & Gossett Bosch Bradford White Carlisle Danfoss Dwyer Diversitech Field Controls Fujitsu Harris Fieldpiece Grundfos Goodman Hart & Cooley Imperial ICM JB Johnson Controls Lenox Modine Mitsubishi Mueller Nibco Nu-Calgon Parker Ridgid Panasonic Robertshaw Ritchie Taco Totaline and many more.