List of agencies in Delaware By James Updated on 12/12/2014 min reading Ambit Energy office in Greenwood (19950) City of Milford Electric Department office in Milford (19963) Delaware Electric Cooperative office in Greenwood (19950) Delmarva Power office in Newark (19702) Delmarva Power office in Wilmington (19801) Delmarva Power office in Millsboro (19966)