Founders: George and Ruth Culver, along with son Craig and Lea Culver
Original Location: Sauk City
Who Knew? Culver’s has 600-plus locations around the U.S. Wisconsin has the most, with 136. Illinois is second with 99.
Founder’s Name: Tara and Jamie Osborn
Original Location: Greenway Station in Middleton
Who Knew? The Osborns aren’t Madison natives and had never visited Madison before coming here to both compete in Ironman Wisconsin in 2005. As a result of that trip, they decided to move here in 2006 to open Endurance House.
Founded: 1989 (as Big Mike’s Super Subs)
Founder’s Name: “Big” Mike Liautaud
Original Location: West Johnson Street
Who Knew? Milio’s has donated $100,000 to the American Family Children’s Hospital over the last 10 years.
Founders: Wayne Mosley and Roger Brown
Original Location: Gilman Street
Who Knew? The chain was named after Rocky Rococo, a Firesign Theater character from a Los Angeles comedy group that was popular in the late ’60s and early ’70s.