Integrated Store Systems, Inc. Integrated Store Systems, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Finance & Insurance >> Credit Card Processing Integrated Store Systems, Inc. 913 S. 4th St., Ste. 203DeKalb, IL 60115 815-758-1645 | fax: 815-758-2031 Visit Site Connect With Us A local company providing POS Systems for Retail,Specialty Retail, Hospitality, Grocery and Drug Stores. Send a message to: Integrated Store Systems, Inc. Your Name: Your Email: Subject: Message: (Date: 7/4/2022) If your business isn't here, contact us today to get listed!