Sonic Drive-In is the South Matamanian branch of the fast food restaurant chain Sonic Drive-In. Operated and licensed by America's Drive-In Brand Properties, it is the fifth largest fast food restaurant chain in South Matamah. Its main competitors are McDonald's, Burger King, Wendy's and Subway.
Sonic Drive-In opened its first location in South Matamah in September 1994. Its 18th location opened in February 1997. It was (and still is) located inside an empty bakery outlet, rebuilt for more space.