According to our records, this business is located at 301 N Walnut St. in Wilmington (in New Castle County), Delaware 19801, the location GPS coordinates are: 39.7391071 (latitude), -75.5492253 (longitude). Senate United States is categorized under Executive Offices, Local Government (SIC code 9111). Known organization chairman of the board is Sen Carper. You can contact the company by phone at (302) 573-6291.