Home › Top 4 Plumber in Oswego, Illinois Find best Plumber in Oswego, Illinois, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. RJ Kuhn Plumbing Heating Cooling Inc. US, Oswego, IL 60543585A State Rte 31 Plumbing Management Services US, Oswego, IL 605435290 Douglas Rd Aquaduct Plumbing Services US, Oswego, IL 6054374 Stone Hill Rd Unit C Sewer Sharks US, Oswego, IL 60543118 Chesterfield Dr