According to our records, this business is located at 3411 Silverside Rd # 200 in Wilmington (in New Castle County), Delaware 19810, the location GPS coordinates are: 39.8093445 (latitude), -75.5425909 (longitude). Nightengale Associates is categorized under Lobbyists (SIC code 8743). Known organization president is Robert Nightengale. You can contact the company by phone at (302) 479-7979.