Popular on Evreward since 2009, Tractor Supply Company offers coupons, cash back rebates and rewards, with savings as high as 15% off. Tractor Supply Company discount coupons are rare, only available once or twice a year, but are often more valuable than similar merchants. Even when Tractor Supply Company doesn't have a coupon, you can always get up to 15% cash back, and other great rewards, with every purchase.