Culver's Hasn't Closed a Store in 4 Years — And It's All Thanks to One Smart Strategy The Wisconsin-based burger joint is in the Top 10 of our Franchise 500 for five years running. Previous Article These Franchises Are Big-Time Earners Right Now, and They're Fun! Next Article Robinhood CEO Says Big Banks Are Taking Advantage of Americans. Now His Company Wants to Put More Money Into Your Wallet — No Investing Required.