Plai Pantry is a chain of convenience stores that operates throughout Portland, Oregon, and the surrounding areas, including several stores in Seattle. Founded as Plaid Pantries, Inc. on November 20, 1963 by John Piacentini, there are now over 100 Plaid Pantry stores. According to the company, the name refers to the distinctive plaid decoration that was originally used on both the store buildings and the highway poles.