A popular casual-dining chain that specializes in its line of gourmet burgers, Red Robin is a publicly owned company under Red Robin Gourmet Burgers Inc. [Ticker: RRGB], which also operates a fast-casual spin-off called Red Robin’s Burger Works. The brand has 445 U.S. locations and did more than $1.2 billion in U.S. systemwide sales in 2011.