Hartig Drug Stores is a pharmacy located in Dubuque, IA where the first store was started by AJ Hartig more than 100 years ago. hile the base of our company is located in Dubuque, IA, we have expanded our footprint to include many small communities in the Tri-State area of Iowa, Illinois and Wisconsin. In addition to the 16 retail pharmacies that Hartig Drug currently operates, we also operate Hartig Pharmacy Services, Finley-Hartig Homecare, MedOne Healthcare Systems and AJ's Cafe, all of which are located in Dubuque, IA.