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Jack in the Box
San Diego, California, United States · Founded 1951
10001+ employees · JACK
Sourced & current · updated Oct 26, 2026
Jack in the Box is a major American quick-service restaurant chain known for its diverse menu and irreverent brand personality, operating over 2,200 locations primarily across the western United States.
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One of the largest burger-focused QSR chains in the U.S., with a strong regional presence in the western states and a reputation for menu diversity and bold advertising.