Farm Stores Introduces Online Grocery Shopping ServiceCustomers can pick up orders at the company’s drive-through stores. POS SYSTEM SERIES: Mix and matchMagruder's reliance on an open platform allows the chain to create a best-of-breed in-store system, no matter who made the components. POS SYSTEM SERIES: Mix and match Magruder's reliance on an open platform allows the chain to create a best-of-breed in-store system, no matter who made the components.