When it comes to managing fuel costs for your business, Circle K speaks your language. The Circle K Fleet Card is an easy and ... convenient way to save on every gallon, in every vehicle. No more tracking purchases. No more collecting receipts. Our online tools tell you who spends what, when and where. The Circle K Fleet Card is accepted at all 6,000 Circle K locations, and the Circle K Universal Card is accepted at over 90% of fuel retailers nationwide. Whichever you choose, you’ll keep your business running smoothly with the only fuel card that speaks your language. read more