Cobroker tracks 6 US locations for Mr. Submarine (sandwich spot) across 3 states and 5 cities.
Quarter-by-quarter store counts and growth rates are published for chains above Cobroker's tracking threshold. Mr. Submarine is below it, so this page states location counts only — no growth rate is claimed, because there is not enough history to measure one honestly.
Cobroker finds the trade areas that look like the ones Mr. Submarine already operates in — demographics, co-tenancy, traffic — and ranks the markets and sites that match.
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