Based in Richmond, VA, Mid-Atlantic Convenience Stores (MACS) is a leading convenience store operator in Maryland and Virgini ... a. With a network of approximately 300 company-owned and dealer locations, MACS is one of the largest distributors of Exxon and BP fuels in the region. The company is also the exclusive developer for the Circle K brand in Delaware, Maryland, Virginia and Washington, D.C. The company currently operates 71 locations in Virginia and Maryland, most of which are branded Circle K. The Circle K stores are dedicated to providing exceptional customer experiences along with quality branded goods and services. The stores feature a full line of beverages, tobacco, snacks and candy, as well as state lottery games. Most stores are open 24 hours and are conveniently located throughout area. read more