Winn-Dixie Supermarket – Courtesy: Shutterstock — Jillian Cain Photography Jacksonville, FL. — Southeastern Grocers (SEG) declared on Tuesday that it is centering its operations on Florida and changing its name to The Winn-Dixie Company. The parent company of Harveys Supermarkets and the more well-known Winn-Dixie is Southeastern Grocers, which is headquartered in Jacksonville, Fla. The