According to our records, this business is located at 1 Beaver Valley Rd. in Wilmington (in New Castle County), Delaware 19803, the location GPS coordinates are: 39.8307524 (latitude), -75.5456398 (longitude). Ace USA is categorized under Insurance Companies (SIC code 6411). Current estimates show that the unit has a sales volume of $110,400,000 and staff of approximately 800 people. You can contact the company by phone at (302) 476-6000; the following fax number is also provided: (302) 476-6116.