Home › Top 6 Insurance Company in South Barrington, Illinois Find best Insurance Company in South Barrington, Illinois, with all necessary contact information, including addresses, phone numbers, working hours, map locations, and website links. The Guardian Agency LLC dba ERZ All Insurance - Zbigniew Plicinski US, South Barrington, IL 6001033 W Higgins Rd Suite 2100 Michael Sparks American Family Insurance US, South Barrington, IL 6001033 W Higgins Rd 3010 3010 Annuitrage US, South Barrington, IL 6001033 W Higgins Rd Key Financial Insurance Agency, Inc. US, South Barrington, IL 6001010 Executive Ct #2 Jimmy Marinelli - State Farm Insurance Agent US, South Barrington, IL 600103 Executive Ct # 2 ClearPath Financial LLC US, South Barrington, IL 6001010 Executive Ct #2