According to our records, this business is located at 818 N Washington St. in Wilmington (in New Castle County), Delaware 19801, the location GPS coordinates are: 39.745793 (latitude), -75.552361 (longitude). Armstrong World Industries Del is categorized under Insurance Companies (SIC code 6411). Known organization president is William Adams. Current estimates show that the unit has a sales volume of $720,000 and staff of approximately 8 people. You can contact the company by phone at (302) 421-9201.