(Photo by Jakub Porzycki/NurPhoto via Getty Images) Costco’s switch from Pepsi to Coca-Cola drinks at its food courts is underway. The change at Costco’s food courts "began rolling out across all Costco warehouses" at the beginning of July, The Coca-Cola Company said in a statement to FOX Business. All of Costco’s food courts will offer Coca-Cola products by the fall.