Subway is an American restaurant franchise

Franchising

Franchising is the practice of using another firm's successful business model. The word 'franchise' is of anglo-French derivation - from franc- meaning free, and is used both as a noun and as a verb....

 that primarily sells submarine sandwich

Submarine sandwich

A submarine sandwich, also known as a sub among other names, is a sandwich that consists of a long roll of Italian or French bread, split lengthwise either into two pieces or opened in a "V" on one side, and filled with various varieties of meat, cheese, vegetables, seasonings, and sauces. The...

es (subs) and salad

Salad

Salad is any of a wide variety of dishes, including vegetable salads; salads of pasta, legumes, eggs, or grains; mixed salads incorporating meat, poultry, or seafood; and fruit salads. They may include a mixture of cold and hot, often including raw vegetables or fruits.Green salads include leaf...

s. It is owned and operated by Doctor's Associates, Inc. (DAI). Subway is one of the fastest growing franchises in the world with 35,519 restaurants in 98 countries and territories as of October 25th, 2011. It is the largest single-brand restaurant chain globally and is the second largest restaurant operator globally after Yum! Brands

Yum! Brands

Yum! Brands, Inc. or Yum! is a United States-based Fortune 500 corporation. Yum! operates or licenses Taco Bell, KFC, Pizza Hut, and WingStreet restaurants worldwide....

 (35,000 locations).

Subway's main operations office is in Milford, Connecticut

Milford, Connecticut

Milford is a coastal city in southwestern New Haven County, Connecticut, United States, located between Bridgeport and New Haven. The population was 52,759 at the 2010 census...

; five regional centers support Subway's growing international operations.