Quickly find service locations for Cummins Power Systems. We are the exclusive distributor of Cummins products in the territory that includes the Bermuda Islands, Connecticut, Delaware, Pennsylvania, Maryland, Northern Virginia, New Jersey, New York City Metro Area and Washington, DC. Headquartered in Bristol, PA, Cummins Power Systems operates ten (10) branch locations to serve and support a diverse base of Cummins and Onan customers.