High Quality Content by WIKIPEDIA articles! The Allstate Corporation (NYSE: ALL) is the second-largest personal lines insurer in the United States (behind State Farm) and the largest that is publicly held. The company also has personal lines insurance operations in Canada. Allstate was founded in 1931 as part of Sears, Roebuck and Co., and was spun off in 1993. The company has its headquarters in Northfield Township, Illinois, near Northbrook. Its current advertising campaign, in use since 2004, asks, "Are you in good hands?" The corporate spokesperson is Dennis Haysbert.