According to our records, this business is located at 201 W Pointe Dr Ste 6 in Belleville (in St Clair County), Illinois 62226, the location GPS coordinates are: 38.5650341 (latitude), -89.9849663 (longitude). Arthur J Gallagher & Co is categorized under Insurance Companies (SIC code 6411). Known organization branch manager is Frank Rebholz. You can contact the company by phone at (618) 233-2255.