Eastside entrepreneur launches On The Bun hot-dog cart in Indianapolis after securing $15,000 small-business loan
On Sept. 24, 2026, 24-year-old Seth Callagy opened On The Bun, a hot-dog cart that will operate Thursdays 11 a.m.–4 p.m. at CSL Plasma (5550 E. Washington St.) and Fridays–Saturdays 6–11 p.m. at Necropolis Underground (7130 Western Select Drive); Callagy financed the launch with a $15,000 loan and $4,000 of his own money.
On Sept. 24, 2026, Seth Callagy opened On The Bun, launching a mobile hot-dog cart after years of food-service work and frequent plasma donations to supplement income. With mentoring from Jim Thompson of SCORE Indiana and a 75-page business plan, Callagy bought a cart and payment system (about $7,000), put in $4,000 of his own money and secured a $15,000 small-business loan to start operations.
On The Bun’s reported schedule in the Sept. 25, 2026 article: Thursdays 11 a.m.–4 p.m. at CSL Plasma, 5550 E. Washington St., and Fridays–Saturdays 6–11 p.m. at Necropolis Underground Haunted Attraction, 7130 Western Select Drive. The menu includes items with unconventional names and toppings, and Callagy says he aims to expand to a food truck and possibly a brick-and-mortar location in the future.
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