Home › Insurance Company in Plainfield, Illinois › 2 Top 24 Insurance Company in Plainfield, Illinois Find best Insurance Company in Plainfield, Illinois, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. Christine Merino: Allstate Insurance US, Plainfield, IL 6058513400 Illinois Rte 59 Unit 100 Farmers Insurance - Maria Elster US, Plainfield, IL 6054415507 Illinois Rte 59 Ste 107f 12