Many Subway fans don't even realize that this sandwich chain has a breakfast menu, but it hasn't been the success that its lunch and dinner menus have been.

Subway provides made-to-order sandwiches and salads. Since its inception in 1965, the company has expanded its menu to include wraps, breakfast items and a range of customizable options.

Subway’s Signature Menu is growing with the addition of rotisserie-style chicken subs and a wrap.The announcement:Chicken ...