Home › Top 5 Law Firms & Attorneys in Waterloo, Illinois Find best Law Firms & Attorneys in Waterloo, Illinois, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Dennis M. Field US, Waterloo, IL 62298115 E Mill St Mary E. Buettner, P.C. US, Waterloo, IL 62298836 N Market St Blake Law Group PC US, Waterloo, IL 62298116 W Mill St State Attorney - Waterloo (IL 62298) US, Waterloo, IL 62298100 S Main St # 215 Stange Law Firm, PC - Waterloo US, Waterloo, IL 62298116 W Mill St