What are some six-letter fast food chains?

13 of the 165 fast food chains in Icillion have exactly 6 letters, for example Subway, Wendys and Dunkin.

Which six-letter fast food chains start with S?

S is the most common first letter here, with 4 names, such as Sbarro, Steers, Subway and Sukiya.

Food · lists

13 six-letter fast food chains in alphabetical order, from “Dunkin” to “Zippys”. Each one counts as an answer in Icillion.

13 of the 165 fast food chains have exactly 6 letters (8%).
Most start with S (4), Z (2) and D (1).
Only names of one word are counted, and only their letters: spaces, hyphens and apostrophes are not.

What are some six-letter fast food chains?: 13 of the 165 fast food chains in Icillion have exactly 6 letters, for example Subway, Wendys and Dunkin.
Which six-letter fast food chains start with S?: S is the most common first letter here, with 4 names, such as Sbarro, Steers, Subway and Sukiya.

How deep does your knowledge go?

Seven prompts a day, twenty seconds each. Obvious answers float on the tip of the iceberg; rare ones sink all the way to the trench.