"We look for those gaps where we can bring something to the market that others can't."

-Greg Sandfort, Tractor Supply's president and chief executive officer

Click here to read: "What Dealers Can Learn From Tractor Supply."

Tractor Supply has more than 1,150 stores in 45 states. In 2013, the company plans to open 90-100 new stores and expand into the western United States.