SUBWAY is a privately held American fast food restaurant franchise that primarily sells submarine sandwiches (subs) and salads. It is owned and operated by Doctor's Associates Inc., doing business as Subway IP Inc. Subway is one of the fastest growing franchises in the world, with 44,852 restaurants in 112 countries and territories as of September 11, 2016. The United States alone has 26,646 outlets. It is the largest single-brand restaurant chain and the largest restaurant operator in the world.
Subway's international headquarters is in Milford, Connecticut; five regional centers support Subway's international operations. The regional offices for European franchises are located in Amsterdam, Netherlands; the Australian and New Zealand locations are supported from Brisbane, Australia; the Asian locations are supported from offices located in Beirut, Lebanon, and Singapore; and the Latin American support center is in Miami, Florida.